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.


9: The International Regulations for Preventing Collisions at Sea contain the requirements for __________.


105: The International Regulations for Preventing Collisions at Sea contain the requirements for __________.


176: On tank vessels, fully charged fire extinguishers are considered semi-portable when they have a gross weight of more than __________.


209: The number 2 lifeboat on a tanker would be found __________.

    Y a. on the port side
    N b. on the starboard side
    N c. abaft #1 lifeboat on the port side
    N d. abaft #1 lifeboat on the starboard side

365: What is the minimum fuel-oil discharge-containment needed for a 100 gross ton vessel constructed after June 30,1974?

    Y a. At least 5 gallons
    N b. At least 1 barrel
    N c. At least 2 barrels
    N d. At least 3 barrels

390: A tank which carries liquid is dangerous to the stability of a vessel when it is __________.

    N a. low in the vessel
    N b. completely empty
    N c. completely full
    Y d. slack

395: You are operating a 1,000 GT non-ocean going tankship. It must be equipped with __________.

    N a. two pumps for discharging oily bilge slops
    N b. a fixed piping system for bilge slops with one outlet on each side of the weather deck
    N c. a means on the weather deck to stop each pump used to discharge oily waste
    Y d. None of the above

466: Deficient oxygen content inside a chain locker can be detected with __________.

    N a. litmus paper
    N b. a combustible gas indicator
    N c. an oxygen breathing apparatus
    Y d. an oxygen indicator

593: The sea painter is secured in the lifeboat by __________.

    Y a. a turn around a forward thwart with a toggle pin thru the eye
    N b. a knot around a thwart
    N c. an eye splice placed over one of the hooks of the releasing gear
    N d. All of the above

662: Foam extinguishes a fire mainly by __________.

    N a. cooling
    N b. chemical action
    Y c. smothering
    N d. inerting the air

745: You detect oil around your tank vessel while discharging. The FIRST thing to do is __________.

    N a. try to find out where the oil is coming from
    N b. call the Master
    N c. have the pumpman check the discharge piping
    Y d. shut down operations

776: When dry chemical extinguishers are used to put out class B fires, there is a danger of reflash because dry chemical_________.

    N a. is not an effective agent on Class B fires
    Y b. does little or no cooling
    N c. dissipates quickly
    N d. is rapidly absorbed by the liquid

863: A tank 36 ft. by 36 ft. by 6 ft. is filled with water to a depth of 5 ft. If a bulkhead is placed in the center of the tank running fore-and-aft along the 36-foot axis, how will the value of the moment of inertia of the free surface be affected?

    N a. The moment of inertia would remain unchanged.
    Y b. The moment of inertia would be 1/4 its original value.
    N c. The moment of inertia would be 1/2 the original value.
    N d. None of the above

1038: You are piloting a vessel, which is required to have a radiotelephone, on the navigable waters of the United States. You must __________.

    N a. maintain a listening watch and communicate in English
    N b. use the bridge-to-bridge VHF-FM designated frequency only to exchange navigational information or necessary tests
    N c. have on board an operator who holds a restricted radiotelephone operator permit or higher license, as well as a FCC ship station license
    Y d. All of the above

1195: The command "Oars" means to __________.

    N a. lift the oars to a vertical position
    Y b. complete the stroke and bring the oars horizontal, blades feathered
    N c. place the oars in the boat with blades forward
    N d. place the oars in the rowlocks directly from the boated position

1259: When an autopilot is being used aboard small passenger vessels, who must make or supervise the changeover from automatic to manual steering and vice versa?

    N a. A licensed state or federal pilot
    N b. A certified quartermaster
    Y c. The Master or Mate on watch
    N d. A qualified Engineer

1328: Any extinguishing agent used on a Class "C" fire must have which important property?

    N a. Cooling ability
    N b. Leaves no residue
    N c. Penetrating power
    Y d. Nonconductivity

1398: The size of fire hydrant hose connections on a cargo vessel must be either 1-1/2 inches or __________.

    N a. 1 inch
    Y b. 2-1/2 inches
    N c. 3 inches
    N d. 3-1/2 inches

1441: On small passenger vessels, how many supply and exhaust ducts are required in each enclosed space containing gasoline powered machinery or gasoline fuel tanks?

    N a. 1 of each
    Y b. 2 of each
    N c. 3 of each
    N d. 4 of each

1543: The ship station license for your radiotelephone is valid for __________.

    N a. one year
    N b. two years
    Y c. ten years
    N d. the life of the vessel

1546: What are the most important reasons for using water fog to fight fires?

    N a. Smothers burning surfaces, organically destroys fuel
    Y b. Cools fire and adjacent surfaces, provides protective barrier
    N c. Reaches areas not protected by steam or CO2 smothering systems
    N d. Allows fire to be attacked from leeward, saturates liquid surfaces

1695: In order to prevent galvanic corrosion, an aluminum boat must be insulated from the davits and gripes. Which of the following is acceptable as an insulator?

    Y a. Hard rubber
    N b. Canvas
    N c. Leather
    N d. Sponge rubber

1734: Which procedure should be followed when individuals are rescued in cold climates and suffer from hypothermia?

    N a. Give them brandy or other alcoholic stimulation to promote a return to an acceptable body temperature.
    Y b. Move them to a warm room to gradually raise their body temperature.
    N c. Keep them moving to stimulate circulation to raise their body temperature.
    N d. Warm them under an electric blanket to rapidly regain normal body temperature.

1955: How often must the emergency generator be tested on a mobile offshore drilling unit?

    N a. Once each day
    N b. Once each week
    Y c. Once each month
    N d. Once each year

1971: Which category of NAVTEX messages may be rejected in some receivers, BUT SHOULD NOT?

    Y a. Category L navigational warnings
    N b. Category A navigational warnings
    N c. SAR and distress alert information
    N d. Weather warnings

1984: You have 550 tons of below deck tonnage including liquid mud. Your existing deck cargo is 120 tons with a VCG above the deck of 2.6 feet. What is the maximum additional deck cargo tonnage you are permitted to load? (See illustration D036DG, stability letter for M.V. Hudson) (D036DG )

    N a. 20 tons
    N b. 60 tons
    Y c. 120 tons
    N d. 240 tons

2177: What is the primary equipment for receiving MSI?

    N a. SART
    N b. EPIRB
    Y c. NAVTEX
    N d. INMARSAT-B

2373: An uncontrolled flow of gas, oil, or other well fluids into the atmosphere is called a __________.

    N a. flow
    N b. breakout
    N c. kick
    Y d. blowout

2421: How many degrees are there on a compass card?

    Y a. 360°
    N b. 380°
    N c. 390°
    N d. 420°

2565: Annual inspection of MODU cranes shall be conducted by __________.

    N a. U.S. Coast Guard
    N b. the person in charge
    Y c. a qualified inspector
    N d. the crane operator

2870: If a vessel loads 250 tons of deck cargo resulting in a GM of -0.4 foot on 8000 tons displacement, what will be the angle of loll? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)

    Y a. 12°
    N b. 10°
    N c. 8°
    N d. 6°

3051: The external flotation bladder on an immersion suit should be inflated __________.

    N a. only after two hours in the water
    N b. only after four hours in the water
    N c. before entry into the water
    Y d. upon entry into the water

3063: The first AMVER position report must be sent within how many hours of departure?

    N a. 48
    N b. 36
    Y c. 24
    N d. 12

3367: After a liferaft is launched, the operating cord __________.

    Y a. serves as a sea painter
    N b. detaches automatically
    N c. is used to rig the boarding ladder
    N d. is cut immediately as it is of no further use

3408: As shown, number 1 operates the __________. (D011SA )

    N a. McCluny hook
    Y b. Fleming gear
    N c. releasing gear
    N d. sea painter

3512: You have sent a visual signal to an aircraft. The aircraft then flies over your position on a straight course and level altitude. What should you do?

    Y a. Repeat your signal.
    N b. Send any more signals necessary.
    N c. Change course to follow the airplane.
    N d. Prepare for a helicopter pickup.

3573: The DEEP DRILLER in transit is level at 23.0 feet draft. Strong winds are blowing from the starboard. A careful load form calculation determines that the TCG is 2.0 feet to starboard. What is the value of the wind heeling moment?

    N a. 4,339 foot-long tons
    Y b. 26,033 foot-long tons
    N c. 39,050 foot-long tons
    N d. 78,099 foot-long tons

3597: The DEEP DRILLER has a KGT of 52.90 feet while at a draft of 58.0 feet. List is 2.0 feet to port. What is the value of TCG?

    N a. -0.10 foot
    N b. -0.13 foot
    Y c. -0.16 foot
    N d. -0.19 foot

3636: The SS AMERICAN MARINER has the following drafts: FWD 08'-11.5", AFT 15'-11.5". Upon completion of loading and bunkering the items listed will be on board. Use the white pages of The Stability Data Reference Book to determine the minimum GM required to meet a one compartment standard. ST-0144

    N a. 3.15 feet
    Y b. 3.00 feet
    N c. 2.90 feet
    N d. 2.80 feet

3801: What are the vertical moments for the cement contents of P-tank #1 of the DEEP DRILLER if the ullage is 2.3 feet?

    N a. 4,198 ft-tons
    Y b. 7,067 ft-tons
    N c. 7,096 ft-tons
    N d. 14,921 ft-tons

3936: After abandoning ship which action should be taken IMMEDIATELY upon entering a liferaft?

    N a. Open equipment pack.
    N b. Issue anti-seasickness medicine.
    Y c. Get clear of the ship.
    N d. Dry the liferaft floor and inflate.

4287: While in ocean transit at a draft of 10 feet, the Coastal Driller has a maximum allowed KG of __________.

    N a. 42 feet
    N b. 44 feet
    Y c. 65 feet
    N d. 70 feet

4575: What precaution should be taken when testing a line throwing gun?

    N a. Wear asbestos gloves.
    N b. Fire it at an angle of approximately 90 degrees to the horizon.
    Y c. Never remove the line from the rocket.
    N d. All of the above

5053: Which shape shown would be displayed by a mobile offshore drilling unit that is being towed more than 200 meters astern of a towing vessel? (DIAGRAM 16 )

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

5321: While the COASTAL DRILLER is in transit at a draft of 10 feet 6 inches, a severe storm is predicted within 12 hours. VM are 541,257 ft-kips, FSML are 32,000 ft-kips and FSMT are 24,000 ft-kips. How much should the KGL be lowered to satisfy the maximum allowable KG criteria?

    N a. 23.04 feet
    Y b. 1.96 feet
    N c. 0.62 foot
    N d. 0.00 feet

6074: 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-0190

    N a. Available GM 4.1 ft
    N b. Available GM 4.3 ft
    N c. Available GM 4.7 ft
    Y d. Available GM 5.1 ft

6755: Each fireman's outfit and its spare equipment on a MODU must be stowed __________.

    N a. in a locked cabinet in the machinery space
    N b. in an unlocked cabinet in the machinery space
    Y c. in a separate and accessible location
    N d. at a fire hydrant location

6785: Each EPIRB required on a MODU shall be stowed in a manner which will permit __________.

    N a. easy access to its storage compartment
    N b. replacement of the battery without exposure to the weather
    Y c. it to float free if the unit sinks
    N d. it to remain attached to the unit

6837: With regard to accommodation spaces on board mobile offshore drilling units, what must the Master or person in charge log?

    N a. The name of each person berthed in each space
    Y b. The date of each inspection of each space
    N c. The condition of each space at the beginning of a trip
    N d. The number of persons assigned to each space

7081: In managing a situation involving multiple injuries, the rescuer must be able to __________.

    N a. provide the necessary medication
    Y b. rapidly evaluate the seriousness of obvious injuries
    N c. accurately diagnose the ailment or injury
    N d. prescribe treatment for the victim

8207: While on a normal tow, the COASTAL DRILLER is threatened with the approach of a severe storm. The legs should be lowered so that the TOC (tip-of-can) is lowered from 1.20 feet to __________.

    N a. 2.20 feet
    N b. 12.38 feet
    N c. 48.12 feet
    Y d. 60.50 feet

8263: When removing the cap from a sounding tube on a MODU, the sound of air escaping indicates the tank __________.

    N a. is full
    Y b. may be partially flooded
    N c. level has dropped
    N d. is completely flooded

8483: A jack-up 180 feet in length with the LCF at 120 feet AFO has a true mean draft (draft at LCF) of 10 feet. If the trim is 3 feet by the stern, what is the draft at the stern?

    N a. 8.0 feet
    N b. 9.0 feet
    Y c. 11.0 feet
    N d. 12.0 feet

8733: The DEEP DRILLER, loaded as shown in the Sample Load Form #4 (Drilling), discharges a non-liquid load of 275.8 long tons from a position 130 feet above the keel, 40 feet forward of amidships, and 30 feet to port of the centerline. What is the new LCG?

    N a. 0.59 foot
    Y b. 1.64 feet
    N c. 2.23 feet
    N d. 2.82 feet

8734: All personnel should be familiar with the lifeboats __________.

    Y a. boarding and operating procedures
    N b. maintenance schedule
    N c. navigational systems
    N d. fuel consumption rates

9155: In plugging submerged holes on a MODU, rags, wedges, and other materials should be used in conjunction with plugs to __________.

    N a. reduce the water pressure on the hull
    Y b. reduce the water leaking around the plugs
    N c. prevent progressive flooding
    N d. reduce the possibility of stress fractures

9253: At the instant when a string of casing being run from a MODU is landed in the well head, __________.

    N a. the total weight in air of the casing string is removed from the MODU
    Y b. the hook load (weight of the casing string) is removed from the MODU
    N c. the weight of the casing inside the riser is removed from the MODU
    N d. the weight of the casing string added to the weight of the fill-up mud is removed from the MODU

9371: Overhauling a fire in the living quarters on a vessel must include __________.

    Y a. opening dead spaces to check for heat or fire
    N b. evacuation of the vessel
    N c. sounding the "all clear" signal
    N d. operation of the emergency generator

9528: You are in Inland Waters of the United States. You may discharge overboard __________.

    N a. bottles
    N b. metal
    N c. dunnage
    Y d. None of the above

9633: Which of the following statements is true concerning the control activators, i.e., pull-handles, push-buttons or levers, for a space protected by a CO2 fixed fire extinguishing system?

    N a. Only one control activator is required for discharge piping systems designed without a stop valve.
    N b. Two control activators are required when a stop valve is installed in the main discharge line to a space.
    N c. An alarm must sound for at least 20 seconds before CO2 is released into a space that is likely to be occupied.
    Y d. All of the above