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.
290: What will happen when cargo is shifted from the main deck into the lower hold of a vessel?
Y a. The GM will increase. N b. The metacenter will move upward. N c. The center of buoyancy will move upward. N d. All of the above 566: Which statement is TRUE concerning a motor lifeboat?
N a. It is propelled by engine or hand-propelling gear. N b. It has a sufficient fuel capacity, if motorized, for 48 hours of operation. Y c. It must be able to maintain a loaded speed of 6 knots. N d. All of the above 649: The lifeline of a life float or buoyant apparatus shall __________.
N a. be at least 3/8 inch diameter and properly secured around the sides and ends of the device N b. be festooned in bights not longer than three feet long N c. have a seine float in each bight unless the line is an inherently buoyant material Y d. All of the above 1075: Prior to lowering the lifeboat, the most important item to check is the __________.
N a. oars N b. sail Y c. boat plug N d. life preservers 1112: A combustible gas indicator meter is calibrated to read the percentage of __________.
N a. vapor to oxygen N b. the flammable limit concentration N c. the autoignition concentration Y d. the lower explosive limit concentration 1204: Generally, when lifting an inflatable liferaft back aboard ship you would use the __________.
Y a. towing bridle N b. main weather cover N c. external lifelines N d. righting strap 1393: You are reading the draft marks. The water level is about 4 inches below the bottom of the number 11. What is the draft? (D032DG )
Y a. 10'-08" N b. 10'-10" N c. 11'-04" N d. 11'-08" 1442: If the cause of severe list or trim is off-center ballast, counterflooding into empty tanks will __________.
N a. increase the righting moment N b. increase the righting arm N c. increase list or trim Y d. decrease list or trim 1743: Introducing inert gas into a tank already inert with the object of further reducing the oxygen or hydrocarbon content to prevent combustion if air enters the tank is called __________.
Y a. purging N b. gas freeing N c. gas dispersion N d. bonding 1911: A ketch is a sailing vessel with __________.
N a. one mast N b. two masts: with the mizzen stepped abaft the rudder post Y c. two masts: with the mizzen stepped forward of the rudder post N d. two masts: a foremast and a mainmast 2049: The bottom of the mast rests on a part of the keel called the mast __________.
N a. foot N b. heel Y c. step N d. sole 2133: If a vessel is sagging, which kind of stress is placed on the sheer strake?
Y a. Compression N b. Racking N c. Tension N d. Thrust 2314: Cargo tanks on barges fitted with goose neck vents and flame screens are limited to carrying which grade of cargo?
N a. A and below N b. B and below N c. C and below Y d. D and E only 2486: 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-0065
Y a. Available GM 5.0 ft N b. Available GM 5.4 ft N c. Available GM 6.1 ft N d. Available GM 6.8 ft 2551: The load chart of a MODU crane enables the operator to combine the load radius with boom length to determine the __________.
N a. maximum counter weight required N b. minimum horsepower required N c. hoist rope strength Y d. allowable load 2661: When the longitudinal strength members of a MODU are continuous and closely spaced, the vessel is __________.
N a. transversely framed Y b. longitudinally framed N c. intermittently framed N d. web framed 2839: What type of cooking equipment may NOT be used aboard vessels subject to The Rules and Regulations for Small Passenger Vessels?
Y a. Gasoline N b. Propane N c. Butane N d. LPG 2985: For a MODU with list, a decrease in GMT will cause the angle of inclination to __________.
N a. stabilize at an angle of loll N b. decrease Y c. increase N d. remain constant 3021: A semisubmersible which flops between port and starboard angles of list is likely to have __________.
N a. KMT greater than KML Y b. KMT less than KGT N c. an off-center LCG N d. TCG greater than level-vessel TCB 3128: You are Master of a 20-ton ketch. You wish to heave-to on the starboard tack in 35 knots of wind. Which action would be appropriate?
N a. Set your storm jib aback to port and secure your rudder hard to starboard. N b. Secure your reefed mizzen aback to starboard and your storm jib aback to port. Secure your rudder hard to port. N c. Sheet your mizzen in flat and secure your rudder amidships. Y d. Secure your storm jib aback to starboard and sheet your reefed mizzen in flat. Secure your rudder hard to starboard. 3281: Preparing to move on a location, you find that you must remove 450 tons of drill water, with a VCG of 8 feet, to enable you to meet the draft limitations. You started with a displacement of 17,000 tons and a KG of 69 feet. What is the KG after pumping out the drill water?
N a. 49.13 feet N b. 59.13 feet N c. 69.13 feet Y d. 70.66 feet 3334: Inflatable liferafts are provided with __________.
N a. a portable radio N b. an oil lantern N c. canned milk Y d. a towing bridle 3352: Which personal lifesaving device(s) is(are) approved for use on a towboat 150 feet in length? (Uninspected Vessel Regulations)
Y a. Life preserver N b. Buoyant vest or cushion N c. Special purpose safety device N d. All of the above 3415: A vessel has a strong wind on the port beam. This has the same affect on stability as __________.
Y a. weight that is off-center to starboard N b. increasing the draft N c. reducing the freeboard N d. increasing the trim 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" 3605: While anchored in 700 feet of water, 3,150 feet of chain is deployed for line #4. Tension on that line is 200 kips. According to the DEEP DRILLER Operating Manual, how much of that chain lies along the bottom?
N a. 1,218 feet Y b. 1,398 feet N c. 1,752 feet N d. 1,844 feet 3739: Which procedure should NOT be done for a person who has fainted?
N a. Revive the person with smelling salts. N b. Loosen the clothing. N c. Lay the person horizontally. Y d. Give pain reliever. 3861: Coast Guard Regulations (46 CFR) require that life jackets shall be __________.
N a. provided for each person onboard N b. provided for all personnel of watch N c. readily accessible to persons in the engine room Y d. All of the above 3870: Each EPIRB required on an OSV shall be tested using the integrated test circuit and output indicator every __________.
N a. week N b. two weeks Y c. month N d. two months 3905: On the DEEP DRILLER, when using the starboard #2 ballast pump to provide water to the main deck from the sea, it is necessary to open valves __________.
Y a. 37, 35, 36, 45 N b. 37, 36, 46, 47 N c. 38, 47 N d. 38, 47, 45, 46 3928: Immediately after abandoning a vessel, lookouts should be posted aboard liferafts to look for __________.
Y a. survivors in the water N b. food and water N c. land N d. bad weather 3943: On the DEEP DRILLER, to use the drill water pump to supplement the bilge pumps, it is necessary to open valves 28 and __________.
N a. 25 Y b. 26 N c. 29 N d. 48 3996: 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-0151
N a. 2.85 feet N b. 2.65 feet Y c. 2.36 feet N d. 2.15 feet 4021: A towing vessel's fire detection system may be certified to comply with the Coast Guard's towing vessel fire protection regulations by _________ .
N a. a Coast Guard inspector Y b. a registered professional engineer N c. the owner or Master of the vessel N d. a licensed electrician 4206: You are loading in a port subject to the tropical load line mark and bound for a port subject to the summer load line mark. You will enter the summer zone after steaming two days. You will consume 28 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.020, and the average TPI is 55. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
N a. 62 inches N b. 66 inches N c. 70 inches Y d. 74 inches 4363: Scouring is the result of __________.
Y a. interruption of the normal current flow by the footing N b. elevating in mud-slide zones N c. penetrating rapidly through a hard crust into weaker soils N d. extracting legs from soils with high cohesion 4555: The COASTAL DRILLER at a draft of 10.5 feet, transfers a portion of the on board liquids from full drill water tank #23 to empty drill water tank #24. What is the change in the free surface correction?
N a. 0.69 foot Y b. 0.44 foot N c. 0.34 foot N d. 0.22 foot 4685: What is the change in transverse moments for the Coastal Driller if 2.5 feet of drill water is discharged from drill water tank #23?
Y a. 1,671 ft-kips N b. -161 ft-kips N c. -1,800 ft-kips N d. -2,982 ft-kips 4727: The COASTAL DRILLER is loaded as shown in Sample Load Form #3 (Drilling). What would be the new sum of longitudinal moments for the liquid variables if the entire contents of tank #19 are transferred to tank #13?
N a. 12,344 ft-kips N b. 173,493 ft-kips Y c. 181,174 ft-kips N d. 1,929,523 ft-kips 5061: During a move to a new location, a jack-up drilling unit with personnel on board is towed through a heavy rainstorm. What signal must be sounded by the drilling rig when visibility is restricted?
N a. One prolonged blast N b. Two prolonged blasts N c. One prolonged and two short blasts Y d. One prolonged and three short blasts 5643: When evacuating the DEEP DRILLER, preparations should include __________.
N a. putting the unit at transit draft Y b. activating the emergency power system N c. jettisoning all combustible materials N d. removing all tension from the mooring lines 5671: When assuming the maximum ice weight accumulation on the DEEP DRILLER at survival draft, the vertical moments are increased by __________.
N a. 40,402 ft-long tons N b. 42,255 ft-long tons Y c. 45,593 ft-long tons N d. 49,280 ft-long tons 5827: When a MODU is afloat in equilibrium, the horizontal component of mooring line tensions should equal __________.
N a. drilling forces N b. weight forces N c. buoyancy forces Y d. environmental forces 5903: The signal to man emergency stations on MODU's is __________.
N a. 30 seconds on/30 seconds off alternating signal N b. continuous ringing of general alarm signal Y c. intermittent ringing of general alarm for not less than 10 seconds N d. announced over PA system 6545: Flammable liquids should have what kind of label?
N a. Skull and crossbones N b. Yellow Y c. Red N d. White 6603: A weathertight door on a MODU must not allow water to penetrate into the unit in __________.
N a. 50 knot winds N b. 70 knot winds N c. 100 knot winds Y d. any sea condition 6697: For use as protection from gas leaking from a refrigeration unit, each MODU must be equipped with a __________.
N a. portable ventilation system N b. flame safety lamp Y c. self-contained breathing apparatus N d. gas mask 6821: How long shall the Master or person in charge of a MODU maintaining an unofficial logbook retain this logbook on board?
N a. 6 months N b. 1 year N c. 5 years Y d. Until the next inspection for certification 7388: All marine low-speed diesels are of what design?
N a. Four-stroke Y b. Two-stroke N c. Electronic ignition N d. Forced exhaust 7577: The value of the maximum righting arm depends on the position of the center of buoyancy and the __________.
N a. longitudinal center of gravity N b. transverse center of gravity N c. downflooding angle Y d. vertical location of the center of gravity 7685: The free surface corrections depend upon the dimensions of the surface of the free liquids and the __________.
N a. volume of liquid in the tank Y b. displacement of the MODU N c. location of the tank in the MODU N d. height of the center of gravity of the MODU 8288: What is NOT used as a stern tube bearing, on a large vessel?
N a. Wooden (lignum vitae) strips N b. Hard rubber N c. Resin bonded composition Y d. Bronze bushings 8581: Survival practice in the mooring system is to slack off the tensions on the leeward side and __________.
N a. deballast the unit to transit draft Y b. adjust as evenly as practical the windward tensions N c. release the anchors on the windward side N d. tighten the anchor buoys on the leeward side anchors 8587: The person assigned to command a lifeboat or inflatable liferaft on a MODU shall have a list of the persons assigned to the lifeboat or liferaft. The list shall include each person's __________.
N a. home address Y b. duties N c. home phone number N d. nearest relative's address 8773: The muster list shows each rig hand's muster station, his duties during abandonment, basic instructions, and __________.
Y a. all emergency signals N b. instructions for lowering the survival craft N c. the time each weekly drill will be held N d. work schedule 8807: The prohibition against displaying lights which may be confused with required navigation lights applies __________.
Y a. from sunset to sunrise and during restricted visibility N b. only when other vessels are in the area N c. only when operating in a traffic separation scheme N d. only when under tow 9282: There is a fire aft aboard your vessel. To help fight the fire, you should put the __________.
N a. wind off either beam N b. stern into the wind and increase speed Y c. bow into the wind and decrease speed N d. stern into the wind and decrease speed 9593: A semisubmersible floating in sea water displaces 717,500 cubic feet. What is the displacement?
N a. 11,211 long tons N b. 11,498 long tons N c. 19,977 long tons Y d. 20,500 long tons 9611: A crew member reports that the high-pressure alarm light of a low-pressure CO2 fixed fire extinguishing system is illuminated. The most probable cause of this condition would be that __________.
N a. an air leak has developed in the tank Y b. the tank cooling system has malfunctioned N c. the pilot cylinder discharge valve is leaking N d. an excessive amount of insulation has been installed on the tank and piping 9631: Fixed carbon dioxide extinguishing systems, for machinery spaces that are normally manned, are actuated by one control to open the stop valve in the line leading to the space, and __________.
N a. the same control releasing the CO2 Y b. a separate control to release the CO2 N c. two separate controls to release the CO2 N d. three separate controls to release the CO2