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.

97: The only portable electrical equipment permitted in a compartment which is not gas free is a lamp that is __________.
130: When making a turn (course change) on most merchant ships, the vessel will heel outwards if __________.
199: You are on a supply run to an offshore drilling rig. On board is the cargo listed. What is the height above the main deck of the center of gravity of the cargo? ST-0004
252: What, when removed, will result in the extinguishment of a fire? 

    N a. Nitrogen
    N b. Sodium
    Y c. Oxygen
    N d. Carbon dioxide
538: A victim is coughing and wheezing from a partial obstruction of the airway. An observer should __________. 

    N a. perform the Heimlich maneuver
    N b. immediately start CPR
    N c. give back blows and something to drink
    Y d. allow the person to continue coughing and dislodge the obstruction on his own
565: Small oil spills on deck can be kept from going overboard by __________. 

    N a. driving wooden plugs into the vents
    N b. closing the lids on the vents
    Y c. plugging the scuppers
    N d. plugging the sounding pipes
610: The amount of freeboard which a ship possesses has a tremendous effect on its __________. 

    N a. initial stability
    N b. free surface
    N c. permeability
    Y d. stability at large angles of inclination
636: What is required by regulations concerning the stowage of lifeboats on cargo vessels? 

    Y a. Each lifeboat must have a launching appliance.
    N b. Launching appliances must be of the gravity type.
    N c. There may not be more than two launching appliances on the same deck.
    N d. All of the above
681: Size III, IV, and V extinguishers are considered __________. 

    N a. hand portable
    N b. all purpose
    N c. fixed extinguishers
    Y d. semi-portable
733: Lifeboat hatchets should be __________. 

    N a. kept in a locker
    Y b. secured at each end of the boat with a lanyard
    N c. kept next to the boat coxswain
    N d. kept in the emergency locker on the ship and brought to the lifeboat when needed
840: If a vessel is sagging, what kind of stress is placed on the sheer strake? 

    Y a. Compression
    N b. Tension
    N c. Thrust
    N d. Racking
988: Which portable fire extinguisher should be used on a class C fire on board a vessel? 

    Y a. Carbon dioxide
    N b. Water (stored pressure)
    N c. Foam
    N d. Carbon tetrachloride
1014: Which signal would be used by a shore rescue unit to indicate "Landing here highly dangerous"? 

    N a. The firing of a white star signal
    Y b. Horizontal motion with a white flag
    N c. Vertical motion of a white light
    N d. Code letter "K" by blinker light
1062: Weight is considered during the periodic required inspection and servicing of __________. 

    Y a. CO2 (carbon dioxide) fire extinguishers
    N b. foam fire extinguishers
    N c. water (stored pressure) fire extinguishers
    N d. All of the above
1081: All of the following are part of the fire triangle EXCEPT __________. 

    N a. heat
    N b. oxygen
    N c. fuel
    Y d. electricity
1237: Portable-foam fire extinguishers are designed for use on what classes of fires? 

    Y a. A and B
    N b. A and C
    N c. B and C
    N d. A, B, and C
1382: Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by __________. 

    Y a. convection
    N b. conduction
    N c. radiation
    N d. spontaneous combustion
1384: According to 46 CFR Subchapter T, rigid plastic or other nonmetallic piping __________. 

    N a. may only be used for gasoline fuel piping
    N b. may only be used for diesel fuel piping
    Y c. may not be used for diesel or gasoline fuel piping
    N d. may be used for gasoline or diesel fuel piping
1484: The SS AMERICAN MARINER is partially loaded with a GM of 3.1 feet and drafts of: FWD 16'-00", AFT 18'-04". Use the white pages of the Stability Data Reference Book to determine what tank(s) you should ballast to increase the GM to 3.6 feet. 

    N a. Tanks:  DB1, DT1A
    N b. Tanks:  DT6, DT7
    N c. Tank: DT8
    Y d. Tank: DB3
1605: What entry would NOT be shown on the V line of an AMVER report? 

    N a. MD
    Y b. MT
    N c. PA
    N d. NURSE
1696: Which statement(s) is(are) TRUE? 

    N a. Polyester sailcloth, such as Dacron, is resistant to rot due to moisture but susceptible to UV degradation and should be kept covered as much as possible.
    N b. Canvas sailcloth is susceptible to rot due to moisture and should never be covered when wet.
    N c. Kevlar sail cloth is susceptible to weakening due to repeated folding and therefore should be draped loosely over the boom when stowed.
    Y d. All of the above are true.
1804: Your vessel displaces 869 tons and measures 136'L x33'B. You ship a large wave on the after deck which measures 52'Lx 33'B. The weight of the water is estimated at 52.8 tons. What is the reduction in GM due to free surface before the water drains overboard? 

    Y a. 4.83 feet
    N b. 5.12 feet
    N c. 5.46 feet
    N d. 5.85 feet
1813: On offshore drilling units all sleeping areas, mess areas, recreational and hospital areas that are adjacent to or immediately above a storage area or machinery space, paint locker, washroom, or toilet space must be made __________. 

    N a. watertight
    N b. weathertight
    Y c. odorproof
    N d. soundproof
1822: Which hazard probably would NOT be encountered when entering an empty but uncleaned fish hold? 

    N a. Lack of oxygen
    N b. Methane gas
    N c. Hydrogen sulfide gas
    Y d. Carbon monoxide
1976: A capsized small sail vessel is best righted when what part of the vessel is downwind? 

    N a. Stern
    N b. Bow
    N c. Centerboard
    Y d. Mast
2204: Which communications functions must all vessels be capable of performing under GMDSS as defined by the International Maritime Organization? 

    N a. Radio direction finding
    Y b. Distress alerting to and from vessels, search and rescue coordination, on-scene communications, signals for locating, Maritime Safety Information, general and bridge-to-bridge communications.
    N c. Communications in each of the operational ocean areas
    N d. All communications possible within the International Safety-NET service
2205: You board an inflatable liferaft that has been hand launched from a sinking vessel. What should you do FIRST after everyone is onboard the liferaft? 

    Y a. Cut the painter.
    N b. Operate the radio equipment.
    N c. Open the equipment pack.
    N d. Ventilate the liferaft of CO2.
2273: During an abandonment or drill, the first person to arrive at the survival craft should __________. 

    N a. pass out food and water to personnel
    N b. open the doors and start the sprinkler system
    N c. activate the emergency release handle
    Y d. open the doors and prepare the craft for boarding
2586: To which group of hydrocarbons do Benzene and Toluene belong? 

    N a. Ketone
    N b. Caustic
    Y c. Aromatic
    N d. Alcohol
2610: The SS AMERICAN MARINER arrived in port with drafts of: FWD 21'-06.5", AFT 23'-05.4". 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-0072 

    N a. FWD 21'-07.1", AFT 23'-08.9"
    N b. FWD 21'-05.9", AFT 23'-01.9"
    N c. FWD 21'-03.0", AFT 23'-04.8"
    Y d. FWD 21'-10.0", AFT 23'-06.0"
2718: Your vessel's drafts are: FWD 22'-04", AFT 22'-10"; and the KG is 18.4 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. 1.6 feet
    N b. 2.9 feet
    N c. 3.8 feet
    Y d. 4.6 feet
2940: You have loaded a deck cargo, and the vessel has assumed a 5° list due to negative GM. Your salt water drafts are: FWD 16'-05", AFT 16'-07". If you then load 1200 tons of cargo in the lower holds (VCG 11 feet) and take on 520 tons of bunkers (VCG 2.5 feet), what is the final GM? (Use the material in Section 1, the blue pages, of the Stability Data Reference Book) 

    N a. 2.5 feet
    Y b. 2.0 feet
    N c. 1.4 feet
    N d. 0.6 foot
3015: An inclined semisubmersible with a very short rolling period about a constant angle of list is likely to have __________. 

    Y a. an off-center TCG
    N b. an LCG greater than level vessel LCB
    N c. a negative GM
    N d. excessive free surfaces
3294: What is the purpose of the liferaft hydrostatic release? 

    Y a. To release the liferaft from the cradle automatically as the ship sinks
    N b. To inflate the raft automatically
    N c. To test rafts hydrostatically
    N d. None of the above
3549: The SS AMERICAN MARINER arrived in port with drafts of: FWD 18'-10", AFT 18'-06". 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-0140 

    N a. FWD 18'-00", AFT 19'-06"
    N b. FWD 18'-02", AFT 19'-04"
    Y c. FWD 18'-04", AFT 19'-02"
    N d. FWD 18'-06", AFT 19'-00"
3567: What are the maximum vertical moments including free surface moments permitted on the DEEP DRILLER at a draft of 60 feet if the winds are greater than 70 knots? 

    Y a. 942,120 foot-tons
    N b. 946,271 foot-tons
    N c. 974,441 foot-tons
    N d. 1,059,885 foot-tons
3574: How many fire axes should be carried by a 700 GT cargo vessel, navigating the Great Lakes? 

    N a. 8
    Y b. 6
    N c. 4
    N d. 2
3930: You have abandoned your vessel. You are in a liferaft and have cleared away from your vessel. One of your FIRST actions should be to __________. 

    N a. take measures to maintain morale
    N b. prepare and use radio equipment
    N c. identify the person in charge of liferaft
    Y d. search for survivors
3992: How many B-II fire extinguishers must be in the machinery space of a 175-foot long fishing vessel propelled by engines with 3300 brake horsepower? 

    N a. 2
    N b. 3
    Y c. 4
    N d. 5
4345: What information must be available to use the Allowable Wind and Wave Charts for the COASTAL DRILLER? 

    N a. Soil conditions
    N b. Overturning moment
    Y c. Water depth
    N d. Specific gravity of the sea water
4507: The height of the transverse metacenter of the COASTAL DRILLER at a displacement of 13,011 kips is __________. 

    N a. 144.21 feet
    Y b. 145.33 feet
    N c. 267.98 feet
    N d. 270.13 feet
4601: The COASTAL DRILLER is drilling while weighing 15,436 kips. LM are 2,006,680 ft-kips, and TM are -7,718 ft-kips. What is the port leg reaction? 

    N a. 3,806 kips
    N b. 5,751 kips
    Y c. 5,879 kips
    N d. 7,549 kips
4644: The SS AMERICAN MARINER has on board 7240 tons of cargo with an LCG-FP of 273.20 feet. See the distribution of the cargo to be loaded. Use the white pages of The Stability Data Reference Book to determine the final LCG-FP of the cargo. ST-0165 

    N a. LCG-FP 271.2 feet
    N b. LCG-FP 272.1 feet
    N c. LCG-FP 273.6 feet
    Y d. LCG-FP 275.3 feet
4801: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new VCG if the entire contents of drill water tanks 6 and 7 are discharged? 

    N a. 38.00 feet
    N b. 48.38 feet
    Y c. 49.16 feet
    N d. 65.00 feet
5361: The COASTAL DRILLER, when underway was loaded as shown in Sample Load Form #1 (Rig Move). It is now preloaded at minimum air gap waiting for all settling to take place. The preload, weighing 7,191.7 kips, has LM 870,196 ft-kips and TM 2,158 ft-kips. What is the bow leg reaction? 

    Y a. 7,026 kips
    N b. 7,099 kips
    N c. 7,144 kips
    N d. 7,180 kips
5497: Which grade of anchor chain is generally used on floating drilling vessels? 

    N a. Grade 1
    N b. Grade 2
    Y c. Oil Rig Quality (stud link)
    N d. 303S
5923: The relief valve on a fire pump is set at 25 psi above the pressure necessary to maintain required fire streams, or __________. 

    N a. 50 psi
    N b. 75 psi
    Y c. 125 psi
    N d. 150 psi
5945: Each part of the fire-main system located on an exposed deck must be __________. 

    Y a. protected against freezing
    N b. locked to prevent theft
    N c. numbered sequentially
    N d. pressurized at all times
6255: Control of fire on a MODU should be addressed __________. 

    N a. immediately after restoring vital services
    Y b. immediately
    N c. following control of flooding
    N d. following establishment of fire boundaries
6523: On the cargo manifest, the total weight of a box containing cargo is the __________. 

    N a. tare weight
    N b. net weight
    Y c. gross weight
    N d. cargo weight
6594: How many B-II fire extinguishers must be in the machinery space of a 175-foot long fishing vessel propelled by engines with 2500 brake horsepower? 

    N a. 2
    Y b. 3
    N c. 4
    N d. 5
6733: The person in charge of a MODU shall insure that the fuel tank of each motor propelled lifeboat is emptied, and the fuel is changed at least once every __________. 

    N a. 3 months
    N b. 6 months
    Y c. 12 months
    N d. 24 months
7575: The upward pressure of displaced water is called __________. 

    Y a. buoyancy
    N b. deadweight
    N c. draft
    N d. freeboard
8183: When extracting the legs from the soil, the hull of the COASTAL DRILLER may be pulled down until the draft is __________. 

    N a. at the maximum load line draft
    N b. one foot less than maximum load line draft
    N c. one foot deeper than maximum load line draft
    Y d. one foot deeper than calculated afloat draft
8303: On a MODU, if there is a probability of encountering H2S during the drilling of a well, air movers (bug blowers) should be installed to dilute concentration of H2S at the __________. 

    N a. pipe rack
    N b. crown block
    Y c. shale shaker
    N d. All of the above
8603: On offshore drilling units, the lifeboats must be lowered to the water and maneuvered at least once every __________. 

    N a. 2 months
    Y b. 3 months
    N c. 6 months
    N d. 12 months
9121: The blocking or absence of fire dampers can cause __________. 

    N a. the accumulation of explosive gases
    N b. faster cooling of the fire
    Y c. the fire to spread through the ventilation system
    N d. fixed foam systems to be ineffective
9581: The C02 flooding system is actuated by a sequence of steps which are __________. 

    Y a. break glass, pull valve, break glass, pull cylinder control
    N b. sound evacuation alarm, pull handle
    N c. open bypass valve, break glass, pull handle
    N d. open stop valve, open control valve, trip alarm
9583: Each person on a MODU carrying immersion suits must wear the immersion suit in a boat drill, or participate in a drill which includes donning the suit and being instructed in its use at least once every __________. 

    Y a. month
    N b. 2 months
    N c. 3 months
    N d. 6 months
9591: The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the new draft if all the bulk materials are discharged? 

    N a. 36.23 feet
    Y b. 44.27 feet
    N c. 45.73 feet
    N d. 53.77 feet