Q170 Practice Quiz

1. Greater discharge range  ← correct
2. Cleanliness
3. Noncorrosive
4. All of the above

1. CO2  ← correct
2. Water stream
3. Water spray
4. Foam

1. 1
2. 2  ← correct
3. 3
4. 4

1. Close all openings to the area
2. Remove combustibles from direct exposure
3. Cool the bulkheads around the fire  ← correct
4. Shut off all electric power

1. Radiation
2. Conduction
3. Convection  ← correct
4. Spontaneous combustion

1. Loose wiring
2. An open and running motor
3. Static electricity
4. All of the above  ← correct

1. 16%
2. 18%
3. 21%  ← correct
4. 25%

1. In rags soaked in linseed oil  ← correct
2. In overloaded electrical circuits
3. In partially loaded fuel tanks
4. In dirty swabs and cleaning gear

1. De-energize the circuit  ← correct
2. Stop ventilation
3. Stop the vessel
4. Apply water to extinguish the fire

1. Class A
2. Class B
3. Class C
4. Class D  ← correct

1. Class A  ← correct
2. Class B
3. Class C
4. Class D

1. It is used on class B and C fires.
2. It is non-conductive.
3. It is heavier than air.
4. All of the above are true.  ← correct

1. Invert the CO2 extinguisher
2. Open the discharge valve
3. Squeeze the two trigger handles together
4. Remove the locking pin  ← correct

1. Dry chemical is not an effective agent on Class B fires
2. Dry chemical dissipates quickly
3. It is rapidly absorbed by the liquid
4. Dry chemical agents do little or no cooling  ← correct

1. Electricity
2. Pressure
3. Smoke
4. Chain reaction  ← correct

1. Shielding of radiant heat
2. The CO2 that is formed by heat
3. Smothering
4. Breaking the chain reaction  ← correct

1. In dirty swabs and cleaning gear
2. In rags soaked in linseed oil  ← correct
3. In partially loaded fuel tanks
4. In overloaded electrical circuits

1. Water  ← correct
2. CO2
3. Dry Chemical
4. Halon

1. worn electrical wires on power tools
2. an unprotected drop-light bulb
3. careless disposal or storage of material  ← correct
4. smoking in bed

1. Smothering  ← correct
2. Chemical action
3. Cooling
4. All of the above

1. Non-conducting  ← correct
2. Non-toxic
3. Able to absorb heat
4. Water based

1. Start the fire pump
2. Batten down the engine room
3. Secure the fuel supply  ← correct
4. Apply carbon dioxide to the fire

1. Carbon dioxide
2. Dry chemical
3. Foam
4. All of the above  ← correct

1. Apply water to extinguish the fire
2. Stop ventilation
3. De-energize the circuit  ← correct
4. Stop the vessel

1. Release the CO2 flooding system
2. Secure the ventilation  ← correct
3. Open the door to evaluate the extent of the fire
4. Enter and use a portable extinguisher

1. Open the door to evaluate the extent of the fire
2. Enter and use a portable extinguisher
3. Release the CO2 flooding system
4. Secure the ventilation  ← correct

1. Smothering  ← correct
2. Chemical action
3. Cooling
4. All of the above

1. Less damage to electrical components
2. Greater multipurpose extinguishing ability  ← correct
3. Lack of toxicity
4. Burn-back protection

1. The name of the item
2. The hydrostatic test date of the cylinder  ← correct
3. The rated capacity in gallons, quarts, or pounds
4. An identifying mark of the actual manufacturer

1. 500 S.H.P. of the main engines or fraction thereof
2. 1000 S.H.P. of the main engines or fraction thereof
3. 500 B.H.P. of the main engines or fraction thereof
4. 1000 B.H.P. of the main engines or fraction thereof  ← correct

1. An identifying mark of the actual manufacturer
2. The name of the item
3. The rated capacity in gallons, quarts, or pounds
4. The hydrostatic test date of the cylinder  ← correct

1. 1 5-B
2. 2 5-B  ← correct
3. 3 5-B
4. 4 5-B

1. That it breaks down under extreme heat to form poisonous gases
2. The lack of cooling effect on heated materials  ← correct
3. There is no effect on a class A fire even in an enclosed space
4. That it cannot be used in a dead ship situation with no electrical power to the CO2 pump

1. An identifying mark of the actual manufacturer
2. The hydrostatic test date of the cylinder  ← correct
3. The rated capacity in gallons, quarts, or pounds
4. The name of the item

1. Improving personnel qualifications
2. Eliminating trip hazards
3. Eliminating potential fuel sources  ← correct
4. Allowing better access in an emergency

1. Secure the fuel supply  ← correct
2. Apply carbon dioxide to the fire
3. Start the fire pump
4. Batten down the engine room

1. Steam smothering
2. Chemical foam
3. Carbon dioxide  ← correct
4. Mechanical foam

1. CO2  ← correct
2. Water stream
3. Water spray
4. Foam

1. Nitrogen
2. Carbon dioxide
3. Sodium
4. Oxygen  ← correct

1. It cools the surface of the liquid.
2. It gives protection to fire fighting personnel against the heat of the fire.
3. It forms a smothering blanket on the surface of the oil.  ← correct
4. It should be used at the same time a solid stream of water is being applied.

1. solid materials such as wood or bales of fiber
2. flammable liquids  ← correct
3. electrical equipment
4. metallic solids

1. carbon dioxide  ← correct
2. foam
3. water fog
4. water stream

1. Carbon dioxide
2. Foam  ← correct
3. Steam
4. Water fog

1. shield fire fighters from radiant heat
2. break up burning material  ← correct
3. get the most water possible on the fire
4. drive heat and smoke ahead of the fire fighters

1. at the lowest point
2. near the batteries
3. at the highest point  ← correct
4. only when charging is in progress

1. Bow will kick to starboard
2. Bow will kick to port
3. Stern will kick to port, then slowly swing to starboard
4. Rudder alone has no effect on the vessel  ← correct

1. The vessel will be drawn bodily into the bank unless the engines are stopped
2. The bow sheers toward the bank
3. The stern is drawn to the bank as the bow sheers off  ← correct
4. The vessel continues in a straight line, but with greatly reduced maneuverability

1. Call the US Coast Guard
2. Reduce the speed of your vessel  ← correct
3. Give 5 short blasts on the whistle
4. Contact the moored vessel

1. Increase speed
2. Increase the rate of turn
3. Decrease the rate of turn  ← correct
4. Maintain a constant rate of turn

1. Slack mooring lines
2. Trim of the vessel
3. Excessive speed  ← correct
4. Improper steering of the vessel

1. With the wind from ahead
2. With the wind off the port beam
3. With the wind from abaft the beam  ← correct
4. With the wind off the starboard beam

1. With the wind on the quarter
2. The bow to the wind
3. The beam to the wind  ← correct
4. The stern to the wind

1. When they are crossing your course, both in the same direction
2. When they are both setting you on the pier
3. When they are both parallel to the pier from ahead  ← correct
4. When they are crossing your course, in opposite directions to the other

1. Go half ahead on the engines and put the rudder hard right
2. Go half ahead on the engines and pass upstream of the buoy
3. Go full ahead on the engine(s)
4. Back away a few lengths to clear the buoy and then go ahead on the engines  ← correct

1. Swing wide and approach the pier so as to land starboard side to
2. Approach the pier on a parallel course at reduced speed
3. Make your approach at a greater angle than in calm weather  ← correct
4. Point the vessel's head well up into the slip and decrease your speed

1. When turning
2. When going full ahead
3. When backing  ← correct
4. When going slow ahead

1. Slow down when passing moored vessels  ← correct
2. Alternate engine speeds
3. Apply rudder in both port and starboard directions
4. Passing close aboard to the moored vessel

1. Contact the moored vessel
2. Reduce the speed of your vessel  ← correct
3. Give 5 short blasts on the whistle
4. Call the US Coast Guard

1. Slow down when passing moored vessels  ← correct
2. Apply rudder in both port and starboard directions
3. Alternate engine speeds
4. Passing close aboard to the moored vessel

1. The bow will remain stationary
2. The bow will go to port  ← correct
3. The bow will swing from port to starboard
4. The bow will go to starboard

1. Excessive speed  ← correct
2. Improper steering of the vessel
3. Slack mooring lines
4. Trim of the vessel

1. Apply right rudder  ← correct
2. Keep your rudder amidships
3. Increase engine speed
4. Apply left rudder

1. Shift the weight to the stern
2. Apply enough rudder to counter the effect of the current
3. Reduce your speed  ← correct
4. Change your course to a zigzag course

1. Steering will be more responsive in shallow water as opposed to deep water
2. There will be no difference in the steering of the vessel
3. Steering will be sluggish in shallow water as opposed to deep water  ← correct
4. The steering is sluggish in deep water as opposed to shallow water

1. The vessel will be drawn bodily into the bank unless the engines are stopped
2. The stern is drawn to the bank as the bow sheers off  ← correct
3. The vessel continues in a straight line, but with greatly reduced maneuverability
4. The bow sheers toward the bank

1. Your vessel's turn rate indicator requires calibration
2. Your vessel has lost a blade on the screw
3. Your vessel is in the deepest section of the channel
4. Your vessel is at the outer limits of the channel  ← correct

1. The lateral movement of a vessel downwind of her intended course  ← correct
2. The momentum of a vessel after her engines have been stopped
3. The displacement of a vessel multiplied by her speed
4. The difference between the true course and the compass course

1. advance
2. head reach  ← correct
3. surge
4. transfer

1. advance  ← correct
2. head reach
3. tactical diameter
4. transfer

1. advance  ← correct
2. drift
3. tactical diameter
4. transfer

1. advance
2. cavitation  ← correct
3. edging
4. slip

1. headway  ← correct
2. sternway
3. no way on, with engines stopped
4. no way on, with engines full ahead

1. It forces the bow away from the bank.  ← correct
2. It forces the stern away from the bank.
3. It forces the entire vessel away from the bank.
4. It heels the vessel toward the bank.

1. smelling the bottom
2. squatting
3. bank suction
4. bank cushion  ← correct

1. Forces the bow away from the bank  ← correct
2. Forces the stern away from the bank
3. Forces the entire vessel bodily away from the bank
4. Decreases the draft at the bow

1. mechanical problems with the steering gear
2. shallow water  ← correct
3. loss of lubricating oil in the engine
4. current

1. continue in line with the bank
2. hug the bank
3. sheer away from the bank  ← correct
4. increase speed

1. bank cushion  ← correct
2. bank suction
3. combined effect
4. bend effect

1. broaching
2. pitchpoling
3. rolling
4. yawing  ← correct

1. compare the rate of drift between the ships  ← correct
2. install chafing gear on the towline
3. secure the bitter end of the towing hawser to prevent loss if the tow is slipped
4. have traveling lizards rigged to guide the towline while it is paid- out

1. The design of the pin  ← correct
2. The certification stamp
3. The shape
4. The color code

1. Strop
2. Gantline  ← correct
3. Life line
4. Whip

1. Dry rot
2. Washing with mild soap
3. Sunlight  ← correct
4. Mildew

This question is asked against Coast Guard illustration D030DG, which we cannot reproduce — the examination drawings are adapted from copyrighted works. To work it you need the illustration in front of you.

1. Heaving line hitch
2. Timber hitch
3. Rolling bowline
4. Stopper hitch  ← correct

This question is asked against Coast Guard illustration D030DG, which we cannot reproduce — the examination drawings are adapted from copyrighted works. To work it you need the illustration in front of you.

1. P
2. R
3. W  ← correct
4. H

This question is asked against Coast Guard illustration D030DG, which we cannot reproduce — the examination drawings are adapted from copyrighted works. To work it you need the illustration in front of you.

1. J  ← correct
2. V
3. E
4. F

1. A sharp pointed crowbar used to unlay wire rope
2. A mallet used when splicing wire rope
3. A tapered wooden pin used when splicing heavy rope  ← correct
4. A tapered steel pin used to separate wire rope

This question is asked against Coast Guard illustration D030DG, which we cannot reproduce — the examination drawings are adapted from copyrighted works. To work it you need the illustration in front of you.

1. Bowline  ← correct
2. Round knot
3. Square knot
4. Clove hitch

1. its normal location of stowage
2. the direction of twist in the strands  ← correct
3. the manner in which it is coiled
4. the manner in which it is rigged

1. clockwise  ← correct
2. counterclockwise
3. either clockwise or counterclockwise
4. on a reel

1. cotton
2. hemp
3. manila  ← correct
4. sisal

1. cable
2. line
3. strands
4. yarns  ← correct

1. breaks down when wet
2. kinks when wet
3. is not elastic
4. stretches  ← correct

1. Braided  ← correct
2. Left-handed laid
3. Right-handed laid
4. Straight laid

1. has less strength than manila line
2. has more strength than manila line  ← correct
3. is equivalent to manila line
4. will rot quicker than manila line

1. less and have less strength
2. more and have less strength
3. more and have greater strength  ← correct
4. less and have greater strength

1. the eye of the second line is dipped  ← correct
2. the mooring lines are doubled
3. the bollard has two horns
4. one of the lines is a breast line

1. number of strands
2. number of wires in each strand
3. circumference
4. diameter  ← correct

1. Back splice
2. Eye splice  ← correct
3. Long splice
4. Short splice

1. becket bend
2. clove hitch
3. bowline  ← correct
4. square knot

1. Sisal
2. Manila
3. Nylon  ← correct
4. Polyproylene

1. Clove Hitch
2. Fisherman's Bend
3. Bowline  ← correct
4. Round-turn and two half hitches

1. inherent weakness
2. tendency to rot if left damp
3. danger to crew if it parts  ← correct
4. strength and shock absorbing abilities

1. wormed, parceled, and served
2. wrapped with heavy tape
3. wrapped with chafing gear  ← correct
4. wrapped in leather

1. Lacings
2. Lays
3. Strands  ← correct
4. Twines

1. Twines
2. Fibers  ← correct
3. Lays
4. Lacings

1. Yarns  ← correct
2. Twines
3. Lacings
4. Lays

1. Chafing gear  ← correct
2. Chocks
3. Grease
4. Boots

1. monkey's fist  ← correct
2. ball or baseball knot
3. heaving knot
4. three strand Turk's head

1. The bow and stern come in equally closer toward the pier.
2. The bow will come in and the stern will go out.
3. The stern will come in and the bow will remain the same distance off the pier.
4. The bow will come in and the stern will remain the same distance off the pier.  ← correct

1. Shorten the scope of anchor cable
2. Put over a stern anchor
3. Put over the sea anchor
4. Increase the scope of anchor cable  ← correct

1. Maintain headway on the vessel when letting go the anchor
2. Maintain slight sternway on the vessel while letting go the anchor  ← correct
3. Let the anchor go with good headway on then go full astern until the vessel is stopped
4. Wait until the vessel is dead in the water before letting go the anchor

1. The probability of fouling the chain decreases
2. The flukes will break free of the bottom  ← correct
3. The flukes will dig deeper increasing the holding power
4. The probability of fouling the chain increases

1. The bow and stern lines  ← correct
2. The breast lines
3. The quarter breast lines
4. The bow cross spring lines

1. 1
2. 2  ← correct
3. 3
4. 5

1. Crossing the spring lines  ← correct
2. Slacking bow and stern lines
3. Slacking all forward running lines while keeping all after running lines taut
4. Doubling up on spring or breast lines

1. 6 (1.8 meters)
2. 15 (4.6 meters)
3. 45 (13.7 meters)
4. 90 (27.4 meters)  ← correct

1. Making the line fast to the bitt and bringing the vessel further forward
2. Reversing the angle and direction of pull, with moderate scope  ← correct
3. Increasing the scope and running slowly in a wide circle with the anchor line taut
4. Hauling vertically on the line

1. Approach the buoy with wind and sea abeam
2. Approach the buoy with the wind and current ahead  ← correct
3. Approach the buoy with the wind and current astern
4. Stop upwind and up current and drift down on the buoy

1. Mud and clay  ← correct
2. Rocky
3. Sandy
4. Gravel

1. This action decreases the swing of your vessel while at anchor
2. This action will decrease the holding power of your anchor
3. This action will increase the holding power of your anchor  ← correct
4. This action will increase the possibility that your vessel will drag anchor

1. Very soft mud
2. Rocky with vegetation
3. A mixture of mud and clay  ← correct
4. Loose sand bottoms

1. When the vessel is moving slowly astern over the ground  ← correct
2. When the vessel is dead in the water
3. When the vessel is moving fast ahead over the ground
4. When the vessel is moving fast astern over the ground

1. Gravel
2. Sandy
3. Rocky
4. Mud and clay  ← correct

1. move aft
2. move forward  ← correct
3. move lower
4. remain stationary

1. right at the bow
2. one-third the length of the vessel from the bow  ← correct
3. one-half the length of the vessel from the bow
4. two-thirds the length of the vessel from the bow

1. shape of the anchor
2. stowage of the anchor on board
3. anchor's ability to dig in  ← correct
4. size of the vessel and its draft

1. rot  ← correct
2. shrink
3. stretch
4. unlay

1. Worm that part of the line.
2. Splice that part of the line.
3. Cover it with chafing gear.  ← correct
4. Install a cleat.

1. Mud
2. Grass  ← correct
3. Sand
4. Clay

1. using a small scope ratio
2. replacing that portion with a short length of chain  ← correct
3. using a hockle to keep that portion of the anchor line off the bottom
4. using a synthetic line

1. Mud and clay  ← correct
2. Rocky
3. Sandy
4. Gravel

1. 6 feet
2. 16 feet
3. 26 feet  ← correct
4. 36 feet

1. Locked in watertight containers
2. In each of the messrooms
3. In readily accessible locations  ← correct
4. Only in the survival crafts

1. Stay in the immediate area  ← correct
2. Take a vote on the direction in which to go
3. Plot a course for the nearest land
4. Go in one direction until fuel runs out

1. protect your life preserver by holding it above your head
2. wear very light clothing
3. keep both hands in front of your face to break the water surface when diving headfirst
4. enter the water on the windward side of the vessel  ← correct

1. They should be replaced.  ← correct
2. They can be repaired by a reliable seamstress.
3. They can be used for children.
4. They must be tested for buoyancy before being continued in use.

1. Transfer all the injured to one raft
2. Transfer all supplies to one raft and post a guard
3. Separate the rafts by drifting away to increase chances of detection
4. Secure the rafts together to keep them from drifting apart  ← correct

1. They are always locked in watertight containers
2. They are required to be stowed in a central location
3. They must be stowed in readily accessible locations  ← correct
4. They are required to be stowed in messrooms

1. Lightly stained or faded life jackets will fail in the water and should not be used.
2. Buoyant vests may be substituted for life jackets.
3. Life preservers must always be worn with the same side facing outwards to float properly.
4. Life preservers are designed to turn an unconscious person's face clear of the water.  ← correct

1. The vessel's name  ← correct
2. The vessel's home port
3. The maximum weight allowed
4. The stowage space assigned

1. They must be stowed in readily accessible locations  ← correct
2. They are required to be stowed in messrooms
3. They are required to be stowed in a central location
4. They are always locked in watertight containers

1. Inflate the liferaft floor.
2. Decide on food and water rations.
3. Cut the sea painter and clear the vessel.  ← correct
4. Open the equipment pack.

1. After entry into the water  ← correct
2. Only after four hours in the water
3. Only after two hours in the water
4. Before entry into the water

1. white
2. green
3. red  ← correct
4. yellow

1. inspected weekly
2. worn at all times
3. readily available  ← correct
4. tested yearly

1. removing the top half of the shell, cutting the line at its source, and renewing completely
2. cutting the line where it enters the case and replacing that portion
3. leaving the original line and tying another one to it so the two lines will take the strain
4. an approved servicing facility ashore  ← correct

1. Buoyant cushion
2. Buoyant vest
3. Life jacket  ← correct
4. Ring life buoy

1. The hydrostatic release
2. A shear pin
3. A rottmer release
4. A weak link in the painter  ← correct

1. Ignore it, this is acceptable in rough weather
2. Stop your engine until the rough weather passes
3. Increase your engine speed
4. Decrease your engine speed  ← correct

1. Use more right rudder  ← correct
2. Use more left rudder
3. Decrease speed
4. Increase speed

1. Yawing  ← correct
2. Rolling
3. Pitchpoling
4. Broaching

1. Trimmed
2. Yawed
3. Broached  ← correct
4. Pitchpoled

1. The craft will rise rapidly over the wave
2. The craft will broach
3. The craft may plunge into the wave  ← correct
4. The craft will list severely

1. Having the vessel head toward the sea
2. Having the vessel filled with water
3. Running before a sea
4. Being turned broadside to the sea  ← correct

1. Decrease the vessel's speed  ← correct
2. Shift more weight forward
3. Increase the vessel's speed
4. Shift the rudder back and forth several times

1. Decrease the vessel's speed  ← correct
2. Increase the vessel's speed
3. Shift the rudder back and forth several times
4. Shift more weight forward

1. Reduce the yawing of the vessel  ← correct
2. Increase the yawing of the vessel
3. Reduce the rolling of the vessel
4. Increase the rolling of the vessel

1. The holding power of the anchor should be recorded once per watch
2. While at anchor, check the vessel's position frequently  ← correct
3. The pilot came aboard, turn on the running lights and secure the cargo lights
4. Be prepared to slack the lines at high water

1. 15 minutes before the end of the watch
2. Only when properly relieved  ← correct
3. At the end of the watch
4. At any time

1. You say to the mate going off watch, "Destination New York, course 283°, speed 16 knots."
2. The mate being relieved says, "All in apparent good order, course 068° per gyro, 075° per standard."
3. The mate being relieved says, "You now have the watch, course 147°, speed 15 knots."
4. You say to the mate going off watch, "I relieve you, course 321° per gyro, 316° per standard."  ← correct

1. Floating objects
2. Shoals
3. Discolored water
4. All of the above  ← correct

1. warm up the exhaust blower motor
2. provide a proper supply of fresh air for the engine(s)
3. see the system is in good operating condition
4. insure at least one complete change of air in the compartments concerned  ← correct

1. They are permitted for bleeding air from lines
2. They are permitted for draining fuel from lines
3. They are permitted for drawing fuel samples
4. They are prohibited  ← correct

1. They emit hydrogen  ← correct
2. They recharge faster in a well-ventilated space
3. Because of the toxic fumes they emit
4. They generate heat

1. Ventilation avoids CO2 build up
2. Ventilation avoids flammable gas accumulation  ← correct
3. Ventilation supplies extra oxygen for charging the battery
4. Less electrolyte is required to maintain the batteries' charge

1. Covering the batteries in a nonconducting, solid enclosure
2. Mounting the batteries in a position as high as possible
3. Securing the batteries to vibration reducing mounting brackets
4. By natural or mechanical ventilation  ← correct

1. Start the engines immediately
2. Keep ports, doors, windows, and hatches closed
3. Ventilate before starting engine  ← correct
4. None of the above

1. a defective ignition system  ← correct
2. low lube oil level
3. too heavy a load
4. weak valve springs

1. To distribute the gasoline
2. To properly lubricate the engine
3. To assist in priming the cylinders
4. To mix the fuel and air  ← correct

1. Oil level  ← correct
2. Exhaust discharge
3. Flow of cooling water
4. All of the above

1. By natural or mechanical ventilation  ← correct
2. Covering the batteries in a nonconducting, solid enclosure
3. Mounting the batteries in a position as high as possible
4. Securing the batteries to vibration reducing mounting brackets

1. Entry of air may cause the engine to vapor lock
2. Carbon monoxide may enter the interior of the vessel  ← correct
3. The pipe joint gaskets may be blown
4. To prevent bilge water from entering the exhaust pipe

1. covering the batteries in a nonconducting, solid enclosure
2. mounting the batteries in a position as high as possible
3. natural or mechanical ventilation  ← correct
4. securing the batteries to vibration reducing mounting brackets

1. stopper
2. screen  ← correct
3. filter
4. restrictor

1. in the engine compartment
2. in the fuel tank space
3. above or outside the hull  ← correct
4. at the most convenient location

1. Flow meter
2. Shut-off valve  ← correct
3. Pressure gauge
4. Filter

1. Key the microphone several times before transmitting again.
2. Turn up the volume on the receiver before transmitting again.
3. Report the problem to the head electrician.
4. Repeat the message using any other channel on which you might attract attention.  ← correct

1. Mayday  ← correct
2. Red Alert
3. Security
4. Pan

1. 6 (156.3 MHz)
2. 12 (156.6 MHz)
3. 14 (156.7 MHz)
4. 16 (156.8 MHz)  ← correct

1. 1 watt
2. 5 watts
3. 15 watts
4. 25 watts  ← correct

1. Make a voice announcement to cancel the alert on Ch-22A.
2. Send a DSC cancellation message on Ch-70.
3. Make a voice announcement to cancel the alert on Ch-13.
4. Make a voice announcement to cancel the alert on Ch-16.  ← correct

1. Calling frequency
2. Working frequency  ← correct
3. Distress frequency
4. Urgency frequency

1. 15 to 20 miles  ← correct
2. 60 to 90 miles
3. 90 to 120 miles
4. 120 to 150 miles

1. 13
2. 16  ← correct
3. 18
4. 22

1. U.S. Coast Guard
2. Federal Communications Commission  ← correct
3. Radio Technical Commission for Marine Services
4. Maritime Mobile Service Commission

1. routine message
2. urgent message
3. distress message
4. safety message  ← correct

1. Pan-Pan (3 times)
2. Securite Securite Securite  ← correct
3. TTT TTT TTT
4. No special prefix

1. Mayday
2. Pan-pan
3. Securite  ← correct
4. Safety

1. a message about the safety of navigation will follow  ← correct
2. a message of an urgent nature about the safety of a ship will follow
3. the sender is in distress and requests immediate assistance
4. you should secure your radiotelephone

1. Mayday
2. Pan  ← correct
3. Safety
4. Interco

1. Mayday-Mayday- Mayday
2. Pan-Pan (3 times)  ← correct
3. Securite-Securite- Securite
4. SOS-SOS-SOS

1. a ship is threatened by grave and imminent danger and requests immediate assistance
2. a calling station has an urgent message about the safety of a person  ← correct
3. the message following the prefix will be about the safety of navigation
4. the message following is a meteorological warning

1. 25 watts  ← correct
2. 50 watts
3. 75 watts
4. 100 watts

1. 1 watt or less  ← correct
2. 5 watts
3. 10 watts
4. 20 watts

1. "PAN-PAN"
2. "MAYDAY"
3. "SOS"
4. "SECURITY"  ← correct

1. Securite
2. Mayday  ← correct
3. Breaker
4. Pan

1. 50 meters
2. 25 meters
3. 20 meters  ← correct
4. 12 meters

1. Safety message  ← correct
2. Urgency message
3. Distress message
4. Routine message

1. 1492 kHz
2. 1892 kHz
3. 2082 kHz
4. 2182 kHz  ← correct

1. One watt
2. Five watts
3. 15 watts
4. 25 watts  ← correct

1. mayday
2. pan pan  ← correct
3. securite
4. seelonce feenee

1. Safety signal
2. Urgency signal  ← correct
3. Distress signal
4. Red alert signal

1. A vessel experiencing bottom suction over a sandbar that does not result in injuries and/or any damage to the vessel
2. An injury to a crewmember, passenger, or other person which requires professional medical treatment beyond first aid  ← correct
3. An allision that results in $500 damage to a boat dock
4. None of the above

1. Hair
2. Saliva  ← correct
3. Blood
4. None of the above

1. 299 GT towing vessel on a coastwise voyage
2. 99 GT towing vessel on Inland Waters
3. 199 GT towing vessel on a coastwise voyage
4. 199 GT towing vessel on an international voyage  ← correct

1. Certificate of Inspection
2. Official Log
3. Shipping Articles
4. Certificate of Documentation  ← correct

1. Coast Guard  ← correct
2. Treasury Department
3. American Bureau of Shipping
4. Collector of Customs

1. It is required to be marked on the stern with the name of the vessel marked on both bows  ← correct
2. It is required to be marked on the keel, stern, and both bows
3. It is required to be marked on both bows and on the keel
4. It is not required to be marked anywhere on the vessel

1. 2 years
2. 1 year
3. 5 years  ← correct
4. 3 years

1. fire point
2. flash point  ← correct
3. lower explosive limit
4. threshold limit value

1. doggers
2. fidleys
3. freeing ports  ← correct
4. swash ports

1. enrollment
2. license
3. registry  ← correct
4. sea letter

1. not required to be marked anywhere on the vessel
2. required to be permanently marked on the vessel's structure  ← correct
3. required to be painted on the vessel's stern
4. required to be painted on the vessel's bow

1. not required to be marked anywhere on the vessel
2. required to be marked on both bows and on the keel
3. required to be marked on the stern with the name of the vessel marked on both bows  ← correct
4. required to be marked on the keel, stern, and both bows

1. tonnage
2. reserve buoyancy
3. draft  ← correct
4. freeboard

1. waterline  ← correct
2. freeboard deck
3. Plimsoll mark
4. amidships section

1. Not more than 1 year
2. Not more than 2 years
3. Not more than 3 years
4. Not more than 5 years  ← correct

1. Owners only
2. Any individual connected with the vessel involved in the operation  ← correct
3. Master only
4. Credentialed officers only

1. Foreign vessels when engaged in noncommercial service
2. Foreign vessels not in U.S. navigable waters
3. U.S. vessels 26 feet or more in length  ← correct
4. U.S. vessels less than 26 feet in length

1. 25%
2. 50%
3. 75%
4. 100%  ← correct

1. Sorbent booms
2. Suction equipment
3. Chemical agents  ← correct
4. Skimmers

1. 5 years  ← correct
2. 3 years
3. 2 years
4. 1 years

1. Locate potable (drinking) water tanks as low as possible in the bilge.  ← correct
2. Eliminate enclosed spaces in which trash, food particles, dirt may gather.
3. Keep and use a separate filling hose for potable (drinking) water.
4. After washing dishes with soap and warm water, sterilize them in water of at least 170°F (76.7°C).

1. A freshwater sanitary system
2. The vessel's fire-main system
3. The potable water tank  ← correct
4. The feed-water system

1. Type I
2. Type II
3. Type III  ← correct
4. Type IV

1. 1 year
2. 2 years
3. 3 years
4. 5 years  ← correct

1. 5 years  ← correct
2. 3 years
3. 2 years
4. 1 years

1. Throw the crew member a life preserver  ← correct
2. Position your vessel to windward and begin recovery
3. Apply left rudder
4. Begin backing your engines

1. Make two 180° turns
2. A Williamson Turn
3. A single turn with hard rudder  ← correct
4. Put the engine(s) crash astern, no turn

1. Immediately reverse the engines
2. Increase speed to full to get the vessel away from the person
3. First put the rudder hard over in either direction
4. Stop the propellers from turning and throw a ring buoy over the side  ← correct

1. put the rudder amidships and check the swing
2. stop the engines and prepare to maneuver to pick up the man in the water
3. shift your rudder  ← correct
4. increase to maximum speed

1. vessel has turned 90°From her original course
2. vessel has turned 60°From her original course  ← correct
3. vessel is on a reciprocal course
4. emergency turn signal sounds

1. immediately reverse the engines
2. stop the propellers from turning and throw a ring buoy over the side  ← correct
3. increase speed to full to get the vessel away from the person
4. first put the rudder hard over in either direction

1. Man Overboard
2. Security
3. Mayday
4. Pan-Pan  ← correct

1. Shift weight to the stern  ← correct
2. Throw excess weight overboard
3. Shift weight to the bow
4. Shift weight to the center of the boat

This question is asked against Coast Guard illustration D025DG, which we cannot reproduce — the examination drawings are adapted from copyrighted works. To work it you need the illustration in front of you.

1. A  ← correct
2. B
3. C
4. D

This question is asked against Coast Guard illustration D025DG, which we cannot reproduce — the examination drawings are adapted from copyrighted works. To work it you need the illustration in front of you.

1. Position A  ← correct
2. Position B
3. Position C
4. Position D

This question is asked against Coast Guard illustration D025DG, which we cannot reproduce — the examination drawings are adapted from copyrighted works. To work it you need the illustration in front of you.

1. A  ← correct
2. B
3. C
4. D

1. The vessels are not in step
2. The towed vessel goes "in irons"
3. The tow line feels like it is "jumping" when touched
4. The catenary comes clear of the water  ← correct

This question is asked against Coast Guard illustration D025DG, which we cannot reproduce — the examination drawings are adapted from copyrighted works. To work it you need the illustration in front of you.

1. A
2. B
3. C
4. D  ← correct

1. three strand nylon
2. double-braided nylon  ← correct
3. polypropylene
4. manila

1. Manila
2. Polypropylene
3. Nylon  ← correct
4. Dacron

1. catenary  ← correct
2. step
3. shock dip
4. bight

1. tow strain
2. catenary length
3. being in step  ← correct
4. Williamson's Tow

1. heaving line  ← correct
2. lead line
3. manrope
4. mooring line

1. shock loading on the tow line is reduced  ← correct
2. towing speed is improved
3. the tow is more visible from the tug
4. the catenary of the towline is reduced

1. increase mechanical advantage on a towing recovery wheel
2. eliminate yawing of disabled tow
3. protect towlines from wearing down against edges of vessel  ← correct
4. connects towline to trailer eye of disabled tow

1. as long as possible
2. as short as possible under the circumstances and not over two wave lengths
3. such that one vessel will be on a crest while the other is in a trough
4. such that the vessels will be in step  ← correct

1. shape
2. pin  ← correct
3. certification stamp
4. color code

1. speed of the tug and tow is less  ← correct
2. towline catches the current
3. current causes yawing
4. current will offset the tow

1. polygon
2. holding arc
3. catenary curve  ← correct
4. parabolic curve

1. dip of the line  ← correct
2. stretch of the line
3. strain on the line
4. length of the line

1. bollard
2. chock  ← correct
3. pad eye
4. devil's claw

1. yaw  ← correct
2. surge
3. sway
4. swing

1. expected towing forces
2. capability of retrieving gear
3. freeboard of the unit being towed
4. need to reduce yaw  ← correct

1. as long as possible
2. such that one vessel will be on a crest while the other is in a trough
3. such that the vessels will be "in step"  ← correct
4. not over two wave lengths in seas up to 10 feet

1. Immediately upon abandoning the vessel
2. When there is a chance of being seen by rescue vessels  ← correct
3. At one-hour intervals
4. At half-hour intervals

1. Hand-held red flare
2. Red aerial pyrotechnic flare
3. Self-contained rocket-propelled parachute red flare
4. Hand-held orange smoke distress flare  ← correct

1. distress position
2. spoken words "Mayday, Mayday, Mayday"  ← correct
3. ship's name
4. ship's call letters

1. Immediately acknowledge receipt of the distress message
2. Defer acknowledgment for a short interval so that a coast station may acknowledge receipt  ← correct
3. Do not acknowledge receipt until other ships nearer to the distress have acknowledged
4. Do not acknowledge receipt because you are too far away to take action

1. 500 kHz
2. 1347 kHz
3. 2182 kHz  ← correct
4. 2738 kHz

1. MAYDAY
2. PAN-PAN
3. SECURITE  ← correct
4. SOS

1. Repeat the message using any other channel on which you might attract attention.  ← correct
2. Key the microphone several times before transmitting again.
3. Turn up the volume on the receiver before transmitting again.
4. Report the problem to the head electrician.

1. Immediately acknowledge receipt of the distress message.  ← correct
2. Defer acknowledgment for a short interval so that a coast station may acknowledge receipt.
3. Do not acknowledge receipt until other ships nearer to the distress have acknowledged.
4. Do not acknowledge because you are too far away to take action.

1. Red Alert
2. Security
3. Mayday  ← correct
4. Pan

1. to leeward of the wrecked vessel
2. at a speed of at most one-half that of the wrecked vessel
3. at a speed of at least that of the wrecked vessel
4. to windward of the wrecked vessel  ← correct

1. apply left rudder
2. throw the crew member a life preserver  ← correct
3. begin backing your engines
4. position your vessel to windward and begin recovery