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.


52: Which statement is TRUE concerning inert gas systems on tank vessels?


208: What is the primary purpose of a splint applied in first aid?


324: The national distress, safety, and calling frequency is channel __________.


348: A man has suffered a burn on the arm. There is a reddening of the skin but no other apparent damage. Using standard MEDICAL terminology, this is a __________.

    N a. Minor burn
    N b. Superficial burn
    N c. Extremity burn
    Y d. First-degree burn

366: You have determined that a cargo space on a freight vessel is 45 feet by 36 feet by 62 feet. How many pounds of carbon dioxide is required for this space?

    N a. 1674
    N b. 2511
    Y c. 3348
    N d. 5022

382: A damaged "T-Boat" that is unable to meet the requirements of its Certificate of Inspection but is able to travel to a shipyard under its own power should __________.

    Y a. make the trip only after obtaining a "Permit to Proceed to Another Port for Repair", Form CG-948
    N b. get underway as soon as possible
    N c. hire a tug and pilot instead
    N d. request an Expiration Certificate if the vessel displays a tendency to sink

1109: On small passenger vessels, drains or outlets for drawing off diesel fuel from water traps or strainers __________.

    N a. must be located at the lowest portion of the tank
    N b. must have only a gravity-forced flow
    N c. must be extended to an external area of the hull
    Y d. are permitted

1144: Aboard a 60 foot long small passenger vessel (other than a ferry) which is certificated to carry 33 persons, the minimum capacity required per bilge pump is __________.

    Y a. 10 gallons per minute
    N b. 19 gallons per minute
    N c. 38 gallons per minute
    N d. 50 gallons per minute

1162: Which instrument is suitable for determining the presence of explosive concentrations of fuel oil vapors in tanks?

    N a. A flame safety lamp
    Y b. A combustible gas indicator
    N c. A liquid cargo meter
    N d. All of the above

1197: A squeeze-grip type carbon-dioxide portable fire- extinguisher has been partially discharged. It should be __________.

    N a. replaced in its proper location if weight loss is no more than 15%
    N b. replaced in its proper location if weight loss is no more than 25%
    N c. replaced in its proper location regardless of weight
    Y d. labeled empty and recharged as soon as possible

1311: Which statement about pneumatic chipping tools is TRUE?

    Y a. The operator must wear safety goggles or glasses.
    N b. The equipment must be grounded to prevent shock hazard.
    N c. The chipping mechanism is made of a non-sparking material that is safe to use near explosive atmospheres.
    N d. The needles of the needle-type chipping gun must be replaced when they have been blunted more than 1/2 of their diameter.

1324: A hydrostatic release mechanism for a liferaft __________.

    N a. must be wet before it will release
    N b. should be kept in a watertight cover except in an emergency
    N c. will inflate the raft in its cradle if operated manually
    Y d. must be submerged to a certain depth to release automatically

1340: When compared to a high-expansion foam, a low-expansion foam will __________.

    N a. be dryer
    N b. be lighter
    N c. be less heat resistant
    Y d. not cling to vertical surfaces

1481: You are reading the draft marks in illustration D032DG. The water level is at the top of number 8. What is the draft? (D032DG )

    N a. 7'-09"
    N b. 8'-00"
    N c. 8'-03"
    Y d. 8'-06"

1504: You are reading the draft marks in illustration D032DG. The water level is about 4 inches below the bottom of 10. What is the draft? (D032DG )

    N a. 10'-04"
    N b. 10'-02"
    Y c. 9'-08"
    N d. 9'-04"

1664: The number of fire extinguishers required on an uninspected "motor vessel" is based on the vessel's __________.

    N a. length
    Y b. gross tonnage
    N c. draft
    N d. crew list

1699: On small sailing vessels, the PRIMARY reason for using nylon in a combination chain-nylon anchor line is to __________.

    Y a. provide elasticity
    N b. increase the strength
    N c. reduce the cost
    N d. reduce the weight

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

1918: Which equipment is not a source of locating signals?

    N a. EPIRB's that transmit on 406 MHz
    Y b. Survival craft VHF transceivers that provide a beacon on 121.5 MHz
    N c. COSPAS-SARSAT EPIRBs
    N d. SARTs operating on 9 GHz

2099: Cargo hose carried on tank vessels shall be able to withstand a pressure of at least __________.

    N a. 75 psi
    N b. 100 psi
    N c. 120 psi
    Y d. 150 psi

2112: You are sailing the navigable waters of the United States. You must have a currently corrected copy (or extract) of the __________.

    N a. List of Lights
    Y b. Tide Tables
    N c. Sailing Directions
    N d. H.O. 249 Sight Reduction Tables

2227: When the survival craft is supplied with bottles of compressed air they are used for __________.

    Y a. an air supply for personnel
    N b. additional flotation
    N c. priming the sprinkler system
    N d. filling the self righting bags

2275: INTERNATIONAL AND INLAND Your 18-meter vessel is propelled by sail and power. What action is required when the engine is stopped?

    N a. Display a black diamond shape forward.
    Y b. Remove the black cone shape from forward.
    N c. Remove the black balls (one at the masthead and one on each spreader).
    N d. Display a black cylindrical shape at the masthead.

2277: What periodic inspection is required in order to remain in compliance with the regulations regarding GMDSS ship radio station inspections?

    N a. U.S. Coast Guard annual inspection
    Y b. An inspection at least once every 12 months by the FCC or a holder of a GMDSS Maintainers license
    N c. FCC inspection every five years
    N d. Periodic inspections not required if on board maintainers perform routine preventive maintenance

2302: 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-0056

    N a. Available GM 6.8 ft
    N b. Available GM 5.4 ft
    Y c. Available GM 4.1 ft
    N d. Available GM 3.6 ft

2398: Proper GMDSS watchkeeping includes __________.

    N a. understanding the GMDSS console's normal operational indicators
    N b. maintaining a proper GMDSS radio station log
    N c. responding to and comprehending alarms
    Y d. All of the above

2422: What is the threshold limit value (TLV) for a product of PHTHALIC ANHYDRIDE?

    Y a. 1 ppm
    N b. 2 ppm
    N c. 3 ppm
    N d. 4 ppm

2428: What is the flash point of iso - Hexane?

    Y a. -10°Fahrenheit
    N b. 20°Centigrade
    N c. 68°Fahrenheit
    N d. 152°Centigrade

2572: The radiotelephone urgency signal is __________.

    N a. mayday
    Y b. pan pan
    N c. securite
    N d. seelonce feenee

2604: Use the floodable length curve in Section 1, the blue pages, of the Stability Data Reference Book. If the curve represents 45 percent permeability, and holds 2 and 3 flood, the vessel will sink if the permeability exceeds what percent?

    Y a. 37
    N b. 31
    N c. 26
    N d. 23

2964: Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 22.2 feet and the drafts are: FWD 23'-06", AFT 24'-03".

    Y a. 26°
    N b. 30°
    N c. 34°
    N d. 53°

3069: Unless otherwise stated, the term "approved" applied to a vessel's equipment, means approved by the __________. (small passenger vessel regulations)

    N a. American Bureau of Shipping
    N b. Congress of the United States
    Y c. Commandant of the Coast Guard
    N d. Board of Fire Underwriters

3073: The SS AMERICAN MARINER arrived in port with drafts of: FWD 28'-04", AFT 29'-10". 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-0102

    N a. FWD 27'-01", AFT 29'-11"
    Y b. FWD 27'-03", AFT 29'-09"
    N c. FWD 27'-05", AFT 29'-07"
    N d. FWD 27'-07", AFT 29'-05"

3164: When discharging cargo from a tank barge, in which case may the cargo pass through or over the towing vessel?

    N a. With permission from the person in charge of the towing vessel
    N b. With permission from the person in charge of the shore facility
    N c. When off-loading grade C cargo
    Y d. In no case

3339: What is acceptable flame screening?

    N a. A fitted single brass screen of 10 x 10 mesh
    Y b. A fitted stainless steel screen of 30 x 30 mesh
    N c. A fitted single stainless steel screen of 15 x 15 mesh
    N d. Two fitted brass screens of 10 x 15 mesh spaced 1/2 inch apart

3654: You are communicating on the radiotelephone using plain English. Which procedural word (proword) indicates that you have received another vessel's transmission?

    N a. Out
    N b. Over
    Y c. Roger
    N d. Wilco

3912: If you must enter water on which there is an oil fire, you should __________.

    N a. protect your life preserver by holding it above your head
    Y b. enter the water on the windward side of the vessel
    N c. keep both hands in front of your face to break the water surface when diving head first
    N d. wear very light clothing

3923: Among the valves that must be opened on the DEEP DRILLER to pump bilge water out of the port pump room using the #1 bilge pump is valve __________.

    N a. 28
    N b. 36
    Y c. 41
    N d. 42

3964: Paints and solvents on a vessel should be __________.

    N a. stored safely in a cool dark non-ventilated area until work is completed
    Y b. resealed and returned to a well ventilated area after each use
    N c. covered at all times to protect from ignition sources
    N d. stored in a suitable gear locker

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

4132: When the helm is turned on the navigation bridge, which of the listed actions will be the FIRST response in the steering room on a ship equipped with an electro-hydraulic steering gear?

    N a. The pumps go to full stroke.
    N b. The six-way valve aligns itself with the running pump.
    N c. Both port and starboard cables are energized.
    Y d. The synchronous receiver turns, duplicating the helm motion.

4140: In an electro-hydraulic steering system, rudder movement is maintained in close synchronization with the steering wheel position by means of the __________.

    N a. trick wheel
    Y b. follow-up control
    N c. six-way valve
    N d. Rapson slide

4222: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the LCG-FP of the liquid load. ST-0157

    Y a. 273.5 ft
    N b. 288.8 ft
    N c. 292.3 ft
    N d. 305.3 ft

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

4725: The COASTAL DRILLER is loaded as shown in Sample Load Form #3 (Rig Move). What would be the new sum of vertical moments for the liquid variables if the entire contents of tank #20 are transferred to tank #13?

    N a. 2,365 ft-kips
    Y b. 2,244 ft-kips
    N c. 2,195 ft-kips
    N d. 170 ft-kips

4797: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new TCG if the entire contents of drill water tanks 6 and 7 are discharged?

    Y a. -0.23 foot
    N b. 0.00 foot
    N c. 0.23 foot
    N d. 0.54 foot

5038: The SS AMERICAN MARINER has drafts of: FWD 22'-03", AFT 25'-05". Use the white pages of the Stability Data Reference Book to determine the drafts if you ballast the forepeak with 97 tons of seawater.

    N a. FWD 22'-10.7", AFT 25'-00.9"
    N b. FWD 22'-11.3", AFT 25'-00.3"
    N c. FWD 22'-11.9", AFT 24'-11.7"
    Y d. FWD 23'-00.5", AFT 24'-11.1"

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

6107: The preferred agent used in fighting a helicopter crash fire on a MODU is __________.

    N a. CO2
    N b. dry chemical
    N c. water
    Y d. foam

6507: Especially in adverse weather, risk of collision with an offshore supply vessel increases when the vessel is moored to what side of the unit?

    Y a. Upwind
    N b. Downwind
    N c. Crosswind
    N d. Downcurrent

6721: Each hand portable, semi-portable and fixed fire extinguishing unit on a MODU must be tested and inspected at least once every __________.

    N a. six weeks
    N b. six months
    Y c. twelve months
    N d. two years

7055: Seasickness is caused by rolling or rocking motions which affect fluids in the __________.

    N a. stomach
    N b. lower intestines
    Y c. inner ear
    N d. bladder

7682: One major disadvantage of a low-speed diesel as compared to a steam main-propulsion system is __________.

    N a. the extra weight required for the diesel reduction gearing
    Y b. a minimum speed for the engines that limits the minimum speed of the vessel
    N c. the higher fuel consumption per SHP
    N d. the low efficiency of the system when a controllable pitch propeller is used

8171: The DEEP DRILLER, loaded as shown in Sample Load Form #2 (Ballast to Survival), suffers major damage which results in flooding in tank C3S. Pumping from tanks in the vicinity of the damage have proven ineffective. Your best countermeasure is to __________.

    Y a. counterflood in 1P
    N b. counterflood in 10S
    N c. pump from C1P
    N d. pump from C3S

8197: If a severe storm threatens the COASTAL DRILLER while elevated as shown in the Sample Load Form #3 (Drilling), the variable loads would have to be reduced by __________.

    N a. 3,282.5 kips
    N b. 2,381.0 kips
    Y c. 1,000.0 kips
    N d. 901.5 kips

8663: While the DEEP DRILLER is operating as shown in Sample Load Form #4 (Drilling), casing is accidentally dropped over the starboard side. If the starboard forward inclination is slowly increasing, which tank is probably damaged?

    Y a. 1S
    N b. 2S
    N c. 3S
    N d. 1P

8847: A semisubmersible 300 feet long and an LCF of 0 (amidships) is in transit with hulls awash and an MT1" of 87.67 foot-tons. Work on the BOP (weight 263 long tons) requires that it be moved aft 12 feet. What is the resulting trim change?

    N a. 1.5 feet
    Y b. 3.0 feet
    N c. 6.0 feet
    N d. 7.3 feet

8925: A vessel behaves as if all of its weight is acting downward through the center of gravity, and all its support is acting upward through the __________.

    N a. keel
    Y b. center of buoyancy
    N c. tipping center
    N d. amidships section

9243: The DEEP DRILLER, while loaded as shown in the Sample Load #5, discharges 275.8 long tons. The resulting trim by the stern is 3 feet and list to port is 2 feet. What is the draft at the port aft draft mark?

    N a. 43 feet 6 inches
    Y b. 45 feet 6 inches
    N c. 48 feet 0 inches
    N d. 49 feet 6 inches

9545: An unstable upright equilibrium position on a vessel means that the metacenter is __________.

    Y a. lower than the center of gravity
    N b. at the same height as the center of gravity
    N c. higher than the baseline
    N d. on the longitudinal centerline