USCG Safety: Master's License

This is an interactive test. Read each question and select the proper answer by clicking on the appropriate answer. If a "Y" appears, your choice is correct. If a "N" appears, more study may be in order.


19: The operator of the ship's radiotelephone, if the radiotelephone is carried voluntarily, must hold at least a __________.


157: On a tankship, sanitary inspections of the crew's quarters are the responsibility of the __________.


456: On a vessel of 900 GT, the minimum number of fire axes required is __________.


502: Penetrations and openings in watertight bulkheads in a small passenger vessel less than 100 gross tons must __________.

    N a. be kept as high and as far inboard as possible
    N b. not contain sluice valves that allow water to flow freely from one watertight compartment to another
    N c. have some means to make them watertight
    Y d. All of the above

737: When using the Code of Federal Regulations (CFR's) for Tank Vessels, you see T/O and B/C. What do the T and B tell you?

    N a. The waters in which vessels may operate
    N b. Special construction limitations
    N c. Grades of cargo which may be carried
    Y d. Type of vessel to which the regulation applies

797: Which statement about the hospital space on a cargo ship is TRUE?

    N a. The hospital may be used for disciplinary confinement if it is not being used for treatment.
    N b. The hospital space must have both a bathtub and shower.
    N c. A hospital is required on all vessels with a crew of 12 or more if it makes overnight voyages.
    Y d. If a ship has a crew of forty-five who do not have their own room, the hospital must have four berths.

858: A fire in trash and paper waste is classified as class __________.

    Y a. A
    N b. B
    N c. C
    N d. D

1142: While testing a cargo tank, your oxygen indicator reads 25% oxygen in the tank. You would then __________.

    N a. enter the tank safely
    Y b. suspect the accuracy of the reading
    N c. ventilate the tank
    N d. test for nitrogen

1155: When picking up a lifeboat at sea with way on the ship, the sea painter should be secured __________.

    Y a. well forward in the lifeboat
    N b. about amidships in the lifeboat
    N c. well aft in the lifeboat
    N d. only after the falls have been attached

1281: You are in the process of righting an inflatable liferaft that has inflated in an upside down position. Which statement is TRUE?

    N a. As the raft flips to the upright position, you will be thrown clear.
    N b. After the raft is in the upright position on top of you, dive down to prevent your life preservers from fouling as you come out.
    Y c. Swim out from under the raft in a face up position to keep your life preservers clear of the raft.
    N d. You should remove your life preservers before attempting to right an inflatable raft.

1292: What is the MOST important consideration when determining how to fight an electrical fire?

    N a. Whether the fire is in machinery or passenger spaces
    Y b. Danger of shock to personnel
    N c. The amount of toxic fumes created by the extinguisher
    N d. Maintaining electrical power

1468: You are on the SS American Mariner and involved in a collision. Your draft has increased uniformly and there is about 4 feet of freeboard remaining. The vessel is on an even keel and has a long rolling period. The roll is sluggish, and the vessel hangs at the ends of a roll. Which of the following actions would you take first to correct the situation?

    N a. Pump out a slack double bottom tank to reduce free surface.
    N b. Flood any empty double bottom tanks to decrease KG.
    Y c. Jettison topside weights to increase freeboard.
    N d. Pump out flooding water in the cargo holds to reduce free surface.

1600: You are berthed at a cargo facility where you have just completed discharging a dangerous cargo. You must complete topside repairs involving hot work before sailing. Which of the following statements is TRUE?

    N a. You can make repairs with permission of the facility owner since you are empty and the cargo is on the facility.
    N b. The repair area must be inspected by a marine surveyor to ensure that it can be done safely.
    N c. Hot work repairs at such a facility are prohibited.
    Y d. The Captain of the Port may give specific approval to make hot work repairs.

1812: The sails are properly set and trimmed. As a vessel heads up from a beam reach to close hauled the __________.

    Y a. apparent wind moves forward
    N b. heeling moment decreases
    N c. side slip decreases
    N d. speed increases

1891: What would most likely prevent a SART's signal from being detected?

    N a. Signal absorption by the ionosphere
    N b. Heavy sea swells
    Y c. The rescue personnel were monitoring the 10-cm radar
    N d. The rescue personnel were monitoring the 3-cm radar

2258: According to the Chemical Data Guide, to what chemical family does 1,3 - pentadiene belong?

    N a. Unsaturated hydrocarbons
    N b. Esters
    N c. Phosphorus
    Y d. Olefins

2431: A device used to enlarge the size of an existing bore hole, having teeth arranged on its outside circumference to cut the formation as it rotates is a(n) __________.

    N a. enlarger bit
    N b. casing bit
    Y c. hole opener
    N d. casing opener

2580: If your JP-5 barge has operated in saltwater for less than 1 month in the 12 month period since it was last dry-docked, when is it required to be hauled out again?

    Y a. 60 months since last dry-docking
    N b. 36 months since last dry-docking
    N c. 24 months since last dry-docking
    N d. 12 months since last dry-docking

2715: The certificate of inspection of a MODU will specify the __________.

    Y a. number of licensed personnel required on board
    N b. maximum load line draft
    N c. maximum water depth for drilling
    N d. next date for an inclining experiment

2746: Your vessel's drafts are: FWD 17'-07", AFT 16'-09"; and the KG is 21.5 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 30° inclination.

    N a. 0.8 foot
    N b. 1.5 feet
    N c. 2.7 feet
    Y d. 3.6 feet

2861: What is the minimum number of portable fire extinguishers required on board a 45-foot towing vessel having a fixed fire system on board? (Uninspected Vessel Regulations)

    N a. 1 B-I
    Y b. 2 B-I
    N c. 3 B-I
    N d. 4 B-I

2896: Your vessel is certificated to carry 50 persons. You are required to have __________. (small passenger vessel regulations)

    N a. 50 adult life jackets
    N b. 40 adult life jackets and 10 child life jackets
    Y c. 50 adult life jackets and 5 child life jackets
    N d. 50 adult life jackets and 2 child life jackets

2908: How many months after its expiration date may a Coast Guard license be renewed without retaking the complete exam?

    N a. 1 month
    N b. 6 months
    Y c. 12 months
    N d. 24 months

2913: The SS AMERICAN MARINER arrived in port with drafts of: FWD 21'-09.5", AFT 22'-09.5". Cargo was loaded and discharged as shown. Use sheet 2 in the white pages of The Stability Data Reference Book to determine the final drafts. ST-0087

    N a. FWD 21'-06.3", AFT 22'-06.6"
    Y b. FWD 21'-11.3", AFT 23'-01.8"
    N c. FWD 22'-06.6", AFT 21'-06.9"
    N d. FWD 23'-00.2", AFT 22'-00.4"

2932: What is FALSE concerning the use of unicellular plastic foam work vests on small passenger vessels? (small passenger vessel regulations)

    Y a. They may be substituted for up to 50% of the required life jackets.
    N b. They shall be of an approved type.
    N c. They shall be stowed separately from required lifesaving equipment.
    N d. They may be worn by crew members when working near or over the water.

2941: The existence of liquids in partially full tanks or compartments of a MODU causes a virtual rise in the height of the __________.

    N a. metacenter
    N b. center of buoyancy
    N c. center of flotation
    Y d. center of gravity

3009: Which type of ventilation is required for enclosed spaces containing gasoline, machinery, or fuel tanks? (small passenger vessel regulations)

    Y a. Natural supply and mechanical exhaust
    N b. Mechanical supply and natural exhaust
    N c. Mechanical supply and mechanical exhaust
    N d. Natural supply and natural exhaust

3019: All vessels not limited to daylight service shall be fitted with a ring life buoy __________. (small passenger vessel regulations)

    N a. on the stern of the vessel
    N b. with a twenty fathom line attached
    N c. with no line attached
    Y d. with a water light to be attached during nighttime operation

3141: The SS AMERICAN MARINER is ready to sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the available GM. ST-0108

    N a. Available GM 4.81 ft
    N b. Available GM 4.69 ft
    N c. Available GM 4.60 ft
    Y d. Available GM 4.28 ft

3148: The SS AMERICAN MARINER arrived in port with drafts of: FWD 29'-06", AFT 29'-02". Cargo was loaded and discharged as indicated. Use sheet 2 in the white pages of the Stability Data Reference Book to determine the final drafts. ST-0110

    N a. FWD 29'-07", AFT 29'-08"
    N b. FWD 29'-05", AFT 29'-10"
    Y c. FWD 29'-03", AFT 30'-00"
    N d. FWD 29'-01", AFT 30'-02"

3185: Control of flooding on a MODU should be addressed __________.

    N a. first
    Y b. following control of fire
    N c. following restoration of vital services
    N d. only if a threat exists

3213: A safety feature provided on all inflatable liferafts is __________.

    N a. overhead safety straps
    N b. built in seats
    N c. internal releasing hooks
    Y d. water stabilizing pockets

3733: In the event of damage to the DEEP DRILLER which results in flooding to one of the lower-hull tanks, pump from __________.

    N a. nearby damaged tanks
    Y b. nearby undamaged tanks containing ballast
    N c. tanks on the opposite corner
    N d. the opposite trim tank

3811: The sounding in fuel oil tank 4P on the DEEP DRILLER is 8.75 feet. What are the longitudinal moments for this amount of fuel?

    N a. -17,416 ft-long tons
    N b. -874 ft-long tons
    Y c. 3,992 ft-long tons
    N d. 17,416 ft-long tons

3812: If you have to abandon ship, and enter a liferaft, your main course of action should be to __________.

    Y a. remain in the vicinity of the sinking vessel
    N b. head for the closest land
    N c. head for the closest sea-lanes
    N d. get a majority opinion

3920: Inflatable liferafts are less maneuverable than lifeboats due to their __________.

    N a. shape
    N b. shallow draft
    N c. large sail area
    Y d. All of the above

4065: In the DEEP DRILLER, the transverse free surface correction (FSCT) is obtained from the total of transverse free surface moments (FSMT) by __________.

    N a. adding the TCG
    N b. subtracting the TCG
    N c. multiplying by displacement
    Y d. dividing by displacement

4075: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What are the new vertical moments if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?

    N a. 12,662 ft-tons
    Y b. 794,346 ft-tons
    N c. 795,025 ft-tons
    N d. 795,704 ft-tons

4089: Which piece of navigational safety equipment is NOT required on towing vessels over 12 meters in length, provided that the vessel remains within the navigable waters of the U.S.?

    N a. VHF-FM radio(s)
    Y b. LORAN-C or GPS receiver
    N c. Charts or maps of the areas to be transited
    N d. Searchlight

4155: The DEEP DRILLER is loaded as shown in the sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #4 (see table 8) is dumped, what would be the new uncorrected height of the center of gravity?

    N a. 50.72 feet
    N b. 51.25 feet
    Y c. 51.87 feet
    N d. 53.22 feet

4183: What is the shift in KG if all the liquid mud is dumped when the DEEP DRILLER is loaded as shown in the Sample Load #3 (Preparing to Drill)?

    N a. 1.26 feet downward
    Y b. 1.51 feet downward
    N c. 2.77 feet downward
    N d. 1.47 feet downward

4198: A tanker loads at a terminal within the tropical zone. She will enter the summer zone six days after departing the loading port. She will burn off 45 tons/day and daily water consumption is 8 tons. How many tons may she load over that allowed by her summer load line?

    N a. 270
    N b. 278
    N c. 291
    Y d. 318

4268: Which statement about immersion suits is TRUE?

    Y a. Prior to abandonment, the suit allows body movement such as walking, climbing a ladder and picking up small objects.
    N b. The immersion suit seals in body heat and provides protection against hypothermia for weeks.
    N c. The suit is flameproof and provides protection to the wearer while swimming through burning oil.
    N d. The wearer of the suit is severely restricted and requires twice the time to climb a ladder than without the suit.

4289: What is the penalty for failure to enforce, or comply with, the vessel bridge-to-bridge radiotelephone regulations?

    Y a. Civil penalty of no more than $650
    N b. Civil penalty of no more than $5,000
    N c. $5,000 fine and imprisonment for not more than one year, or both
    N d. $1,000 fine or imprisonment for not more than two years

4305: The COASTAL DRILLER is experiencing a single amplitude roll angle of 3 degrees and a roll period of 10 seconds. What is the maximum water depth that can be used for going on location?

    N a. 45 feet
    Y b. 95 feet
    N c. 145 feet
    N d. 245 feet

4405: Leg penetration to depths which require pullout forces greater than that which can be supplied by the buoyancy of the hull may exist in __________.

    N a. soft mud
    N b. sand
    N c. silt
    Y d. soft to firm clays

4421: While the COASTAL DRILLER is in normal transit, the roll period is 8 seconds. What would be the limiting angle of pitch which does not exceed the design limits of the legs?

    N a. 10°
    N b. 8°
    Y c. 6°
    N d. 4°

4491: The COASTAL DRILLER, with a displacement of 13,553 kips, has a draft of __________.

    N a. 10.5 feet
    N b. 11 feet 6 inches
    N c. 11 feet 2 inches
    Y d. 10 feet 5 inches

4847: The rated operating time of a self-contained breathing device may be reduced in actual use because of __________.

    N a. pressure differences in the atmosphere
    N b. the length of the hose attached to the facepiece
    Y c. the physical exertion of the person wearing the device
    N d. spaces containing poisonous vapors

5245: To maintain a high state of readiness against the possibility of damage and subsequent flooding while aboard the DEEP DRILLER, you should __________.

    N a. post a watch in the pump room
    N b. keep tanks no more than half filled
    Y c. cap sounding tubes except when in use
    N d. keep bilge pumps operating continuously

6125: What is the minimum required number of fire axes that must be carried on a mobile offshore drilling unit?

    Y a. 2
    N b. 3
    N c. 4
    N d. 5

6715: The person in charge shall insure that each lifeboat on a MODU is lowered to the water, launched, and operated at least once every __________.

    N a. month
    N b. 2 months
    Y c. 3 months
    N d. 6 months

6965: In the case of a casualty involving a MODU, the Master, owner, agent or person in charge shall make the records required by regulation available upon request to __________.

    N a. anyone involved in the casualty
    Y b. any Coast Guard official authorized to investigate the casualty
    N c. the local Captain of the Port
    N d. All of the above

6991: The FIRST treatment of a person suspected of having airway burns is to __________.

    N a. move him to a cool location
    Y b. maintain an open airway
    N c. apply a cool damp dressing to his neck
    N d. have him drink cool liquids

7325: One method of reducing the length of radio transmissions without distorting the meaning of your words is by using __________.

    N a. slang
    N b. secret codes
    Y c. procedure words
    N d. analogies

7578: When a helicopter is lifting personnel from an enclosed lifeboat, the other individuals in the boat should __________.

    N a. enter the water in case the person being lifted slips from the sling
    N b. stand on the outside of the boat to assist the person being lifted
    N c. remove their life preservers to prepare for their transfer to the helicopter
    Y d. remain seated inside to provide body weight for stability

8342: Blocking open or removing fire dampers can cause __________.

    N a. the accumulation of explosive gases
    Y b. the fire to spread through the ventilation system
    N c. faster cooling of the fire
    N d. fixed foam systems to be ineffective

8557: Each fire pump on a MODU must have a pressure gauge located at __________.

    Y a. the pump discharge
    N b. the manifold connection
    N c. each fire station discharge
    N d. the pump station

8907: When giving first aid, you should understand how to conduct primary and secondary surveys and know __________.

    N a. which medications to prescribe
    N b. how to diagnose an illness from symptoms
    Y c. the limits of your capabilities
    N d. how to set broken bones

9525: When the height of the metacenter is greater than the height of the center of gravity a vessel has which type of stability?

    Y a. Stable
    N b. Neutral
    N c. Unstable
    N d. Negative