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.
17: The atmosphere in a tank is too rich when it is __________.
N a. incapable of supporting combustion because the hydrocarbon vapor content makes the atmosphere below the LFL (Lower Flammable Level) N b. capable of supporting combustion N c. in a noncombustible state which can be relied on to occur naturally on a regular basis Y d. incapable of supporting combustion because the hydrocarbon vapor content makes the atmosphere above the UFL (Upper Flammable Limit) 39: A flame screen __________.
Y a. permits the passage of vapor but not of flame N b. prevents the passage of flammable vapors N c. prevents inert gas from leaving a tank N d. permits vapors to exit but not enter a tank 180: Which is TRUE of a "stiff" vessel?
N a. It has a small GM. N b. It pitches heavily. N c. It has an unusually high center of gravity. Y d. Its period of roll is short. 257: Which vessel greater than 100 GT is NOT required to have an EPIRB.
N a. A sailing vessel N b. A fishing vessel Y c. A non self-propelled vessel in tow N d. A towing vessel 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 818: A fire in a transformer terminal would be classified as class __________.
N a. A N b. B Y c. C N d. D 1388: Which extinguishing agent will absorb the most heat?
N a. CO2 N b. Foam Y c. Water N d. Dry chemical 1530: Which vessel in ocean service is not subject to Annex V of MARPOL 73/78?
N a. A 20-foot sailing vessel N b. A 26-foot tug and tow N c. An uninspected 35-foot passenger vessel Y d. A Navy Destroyer 1596: By regulation, orange smoke distress signals will expire not more than how many months from the date of manufacture?
N a. 24 months N b. 36 months Y c. 42 months N d. 54 months 1621: Why is spare fire hose rolled for storage?
N a. Water in the hose is forced out the end in the rolling process. Y b. The threads on the male end are protected by the hose. N c. Rolling provides maximum protection against entry of foreign objects into the couplings. N d. Rolling provides maximum protection to the outer covering of the hose. 1817: Offshore drilling units that carry twelve or more persons on a voyage of more than three days must have a __________.
N a. recreation room N b. radar room Y c. hospital space N d. navigation space 1926: A "reaching" course is one in which the wind __________.
N a. comes directly over the bow N b. comes directly over the stern Y c. comes over an area extending from broad on the bow to the quarter N d. has no effect on the vessel 2081: On offshore drilling units, each inflatable liferaft must be serviced every __________.
Y a. 12 months N b. 24 months N c. 36 months N d. 48 months 2199: Your vessel displaces 564 tons. The existing deck cargo has a center of gravity of 1.5 feet above the deck and weighs 41 tons. If you load 22 tons of ground tackle with an estimated center of gravity of 2.5 feet above the deck, what is the final height of the CG of the deck cargo?
N a. 1.62 feet Y b. 1.85 feet N c. 2.10 feet N d. 2.46 feet 2342: Your vessel's drafts are: FWD 13'-11", AFT 11'-09". How much more cargo can be loaded to have the vessel down to the freeboard draft? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)
Y a. 9069 tons N b. 9172 tons N c. 9207 tons N d. 9244 tons 2450: During transfer operations, ethyl chloride spills into the water. According to the Chemical Data Guide, the ethyl chloride will boil off if the water temperature is above __________.
N a. 46°F Y b. 54°F N c. 60°F N d. 68°F 2508: What is the TLV of cyclohexanol?
N a. 20 ppm N b. 30 ppm N c. 40 ppm Y d. 50 ppm 2541: When lifting loads from a boat in heavy weather, the load should be taken when the boat __________.
Y a. reaches the crest N b. begins to fall N c. begins to rise N d. reaches the trough 2636: When providing first aid to a victim of gas poisoning, the MOST important symptom to check for is __________.
Y a. suspension of breathing N b. unconsciousness N c. slow and weak pulse N d. cold and moist skin 2659: 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-0074
Y a. Available GM 4.3 ft N b. Available GM 4.1 ft N c. Available GM 3.9 ft N d. Available GM 3.6 ft 2708: Upon release to the atmosphere, LFG readily __________.
Y a. vaporizes N b. attacks caustically N c. rises N d. attacks corrosively 2720: To determine the pressure and temperature limitations under which LFG is required to be transported on a barge, you should look at the __________.
Y a. Certificate of Inspection N b. loading order N c. rules and regulations for tank vessels N d. tankerman's document 2914: The sailing drafts are: FWD 25'-03", AFT 26'-03" and the GM is 3.5 feet. Use the information in Section 1, the blue pages, of the Stability Data Reference Book, to determine the available righting arm at 25° inclination.
N a. 0.8 foot N b. 1.4 feet Y c. 2.0 feet N d. 2.6 feet 2949: Which information are you required to report to the Coast Guard when an accident occurs in which loss of life results? (small passenger vessel regulations)
N a. Location of the occurrence N b. Number and name of vessel N c. Names of owners Y d. All of the above 3071: The free surface effects of a partially-full tank in a floating MODU increase with the __________.
Y a. surface area of the fluid in the tank N b. displacement volume of the MODU N c. draft of the MODU N d. height of the tank above the keel 3080: When inspecting a tank barge to see that it has all the required fire extinguishers and other safety items aboard, which of the following is the best source for determining what is required?
N a. The supervisor in charge of the dock to which the barge is tied up N b. Part 38 of the Rules and Regulations for Tank Vessels Y c. The Certificate of Inspection of the barge N d. The local fire marshal 3138: Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatch No. 20 while using a single belt loader to arrive at a desired mean keel draft of 29'-06"? (Use the Guidance Manual for Loading M.V. GRAND HAVEN.)
N a. 1550 tons Y b. 2920 tons N c. 3010 tons N d. 3515 tons 3147: The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers severe damage to the starboard forward column below the waterline. You should pump from tank __________.
N a. C1S N b. 8S N c. 2P Y d. 1S 3232: Which statement is TRUE concerning work vests aboard a vessel? (Uninspected Vessel Regulations)
N a. They may be worn during drills. N b. They may be substituted for up to 10% of the required lifesaving gear aboard. N c. They need not be of an approved type. Y d. They must be stowed separately from approved life preservers. 3260: A length of fire hose shall be __________. (small passenger vessel regulations)
Y a. attached to each fire hydrant at all times N b. equipped with a rotary sprinkler head N c. marked with the lot number and wholesale price N d. not more than 10 feet in length 3316: When supplemented by a comparable signal on the general alarm, what is the signal for boat stations or boat drill?
Y a. More than six short blasts followed by one long blast of the whistle N b. A continuous blast of the whistle for a period of not less than 10 seconds N c. One long blast followed by three short blasts of the whistle N d. Three short blasts of the whistle 3331: The stability which remains after a compartment is flooded is called __________.
N a. intact stability N b. initial stability N c. immersion stability Y d. damage stability 3377: The DEEP DRILLER at a draft of 58.0 feet loads 68.94 long tons of ballast. What is the new draft?
N a. 52.0 feet N b. 57.5 feet Y c. 58.5 feet N d. 64.0 feet 3452: Your vessel's existing draft is FWD 29'-05", AFT 30'-07". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 540 long tons are loaded in No. 18 hatch.
Y a. FWD 29'-05", AFT 31'-03" N b. FWD 29'-09", AFT 30'-11" N c. FWD 30'-01", AFT 31'-03" N d. FWD 30'-04", AFT 29'-06" 3465: The free surface effects of a partially full liquid tank decrease with increased __________.
N a. density of the liquid N b. placement of the tank above the keel Y c. displacement volume of the vessel N d. size of the surface area in the tank 3496: In general, how often are sanitary inspections of passenger and crew quarters made aboard passenger vessels in river service?
N a. Once each day N b. Once each week Y c. Once each month N d. Once each trip 3508: Except in rare cases, it is impossible to extinguish a shipboard fire by __________.
N a. interrupting the chain reaction N b. removing the heat N c. removing the oxygen Y d. removing the fuel 3591: With no environmental forces on the DEEP DRILLER, the average of the starboard drafts is 59.0 feet, and the average of the port drafts is 61.0 feet. KGT is 52.84 feet. What is the value of TCG?
N a. -2.00 feet N b. -1.00 foot Y c. -0.16 foot N d. -0.10 foot 3704: After a person has been revived by artificial respiration, he should be __________.
N a. walked around until he is back to normal N b. given several shots of whiskey Y c. kept lying down and warm N d. allowed to do as he wishes 3741: Because of the presence of 75 knot winds, the DEEP DRILLER is at survival draft. KGT is 3.24 feet less than the maximum allowed. What is the value of GMT?
Y a. 5.32 feet N b. 5.17 feet N c. 3.39 feet N d. 3.24 feet 3849: The capacity of any liferaft on board a vessel can be determined by __________.
N a. examining the Certificate of Inspection Y b. examining the plate on the outside of the raft container N c. referring to the Muster List ("Station Bill") N d. referring to the shipping articles 4152: Coast Guard Regulations require that OSV's under 100 GT must have a steering system that is capable of moving the rudder __________.
N a. by a required auxiliary steering system under emergency conditions when duplicated main steering power systems are provided N b. at one-half the maximum astern speed without damage Y c. from 35° on one side to 30° on the other side, in no more than 28 seconds, while making maximum headway N d. from 15° on one side to 15° on the other side, in 30 seconds at 7 knots, or one-half the maximum speed 4167: The DEEP DRILLER is loaded as shown in the Sample Load form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new metacentric height corrected for transverse free surface effects?
Y a. 11.26 feet N b. 10.07 feet N c. 9.67 feet N d. 8.30 feet 4245: The maximum load line draft for the COASTAL DRILLER is __________.
N a. 12 feet 8 inches N b. 11 feet 7.2 inches Y c. 10 feet 10.5 inches N d. 10 feet 8.8 inches 4423: While in ocean transit, the COASTAL DRILLER experiences a single amplitude roll of 5 degrees. What is the minimum roll period that does not exceed the design limits of the legs?
N a. 2.7 seconds N b. 4.0 seconds N c. 6.5 seconds Y d. 7.2 seconds 4755: Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #13. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in vertical moments with this transfer?
N a. 81 ft-kips increase N b. 31 ft-kips increase Y c. 26 ft-kips decrease N d. 47 ft-kips decrease 5261: The DEEP DRILLER, loaded as shown in Sample Load Form #4 (Drilling), suffers major damage which results in flooding in tank C1P. Your best countermeasure is to __________.
Y a. pump from 2P N b. pump from C1P N c. counterflood in 1P N d. counterflood in 10S 5695: The DEEP DRILLER is loaded as shown in Sample Load Form #4, (Drilling). In preparing for approaching heavy weather, the four leeward mooring lines are slacked. These actions reduce the __________.
Y a. natural pitch period N b. metacentric height N c. height of the righting arm N d. righting moment 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 6908: Topside icing decreases vessel stability because it is usually off-center and __________.
N a. increases displacement Y b. increases the height of the center of gravity N c. increases draft N d. reduces the pocketing of free surface 7313: What is the MOST important thing you should do before transmitting on a marine radio?
N a. Ask for permission. N b. Record the time in your radio log. N c. Press the "push to talk" button three times. Y d. Monitor the channel to insure that it is clear. 7637: When a floating MODU inclines to an angle slightly less than the angle of loll, she will __________.
N a. capsize N b. incline less N c. flop to the other side Y d. return to the angle of loll 8173: When elevating the COASTAL DRILLER in 100 feet of water, the unit should be placed at an air gap of __________.
Y a. 35 feet N b. 32 feet N c. 30 feet N d. 25 feet 8351: What is a pinion in a jacking system?
N a. Flexible coupling N b. Flexible shaft N c. Flexible joint Y d. Gearwheel 8585: A MODU must have on board a first-aid kit that is approved by the __________.
N a. Minerals Management Service N b. Occupational Safety and Health Administration Y c. Mine Safety and Health Administration N d. American Bureau of Shipping 8591: Prior to burning or welding on a fuel tank on a MODU, regulations require that an inspection be made. An entry in the unofficial logbook is required if this inspection is made by __________.
N a. a marine chemist N b. the Officer in Charge, Marine Inspection Y c. the Master or person in charge of the MODU N d. the National Fire Protection Association 9306: When two generators are operating in parallel, what will happen if one engine driving a generator shuts down?
N a. The generator that's still running will motorize. N b. Both generators will immediately shut down. N c. The running generator's circuit breaker will immediately trip on overload. Y d. The stalled generator's circuit breaker will trip on reverse power. 9457: The center of buoyancy is located at the __________.
N a. geometric center of the waterplane area N b. intersection of the vertical centerline and line of action of the buoyant force N c. center of gravity of the vessel corrected for free surface effects Y d. geometric center of the displaced volume 9606: You are fighting a Class B fire with a portable dry chemical extinguisher. The discharge should be directed __________.
N a. over the top of the fire N b. to bank off a bulkhead onto the fire Y c. at the seat of the fire, starting at the near edge N d. at the main body of the fire 9672: When fighting a large fire on your vessel and attacking it from ABOVE the space on fire, it is important to __________.
N a. not rotate personnel, as the consistent attack can extinguish the fire quickly. Y b. stand erect, to avoid the heat of the deck N c. station personnel on the hot deck, immediately above the fire, to observe for its potential spread N d. All of the above