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.
37: What is the generally accepted method of determining whether the atmosphere within a cargo tank is explosive, too rich, or too lean to support combustion?
N a. Use the open flame test on a small sample that has been taken from the tank. N b. Send a gas sample ashore for laboratory analysis. N c. Enter the tank with an oxygen analyzer. Y d. Use an explosimeter. 151: 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-0002
Y a. 1.50 feet N b. 1.96 feet N c. 2.21 feet N d. 2.78 feet 176: On tank vessels, fully charged fire extinguishers are considered semi-portable when they have a gross weight of more than __________.
Y a. 55 pounds N b. 75 pounds N c. 95 pounds N d. 125 pounds 439: Fixed CO2 systems would not be used on crew's quarters or __________.
N a. the paint locker Y b. spaces open to the atmosphere N c. cargo holds N d. the engine room 664: Your vessel is in distress and you have made radiotelephone contact with a U.S. Coast Guard vessel. The Coast Guard vessel requests that you give him a long count. This indicates that __________.
N a. your radio transmitter is not working properly N b. the Coast Guard vessel is testing its receiver Y c. the Coast Guard vessel is taking a radio direction finder bearing on your vessel N d. the Coast Guard vessel is requesting your position in latitude and longitude 758: A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should __________.
N a. remain on course and hold speed Y b. change course and put the stern to the wind N c. change course to put the wind on either beam and increase speed N d. remain on course but slack the speed 795: The authority to grant an alternate procedure for oil transfer operations rests with the __________.
N a. nearest Coast Guard office N b. Officer-in-Charge, Marine Inspection N c. Area Commander Y d. Captain of the Port 925: The center of flotation of a vessel is the geometric center of the __________.
N a. underwater volume N b. above water volume N c. amidships section Y d. waterplane area 1034: Which vessels must comply with the vessel bridge-to-bridge radiotelephone regulations while navigating?
Y a. All towing vessels 26 feet in length or greater N b. All passenger vessels less than 100 gross tons N c. All power-driven vessels 12 meters or less in length N d. All of the above 1046: On small passenger vessels a gasoline tank vent pipe must __________.
N a. have a cross sectional area not less than that of 19 millimeters OD tubing. N b. be connected to the tank at its highest point N c. terminate in a U-bend as high above the weather deck as practicable Y d. All of the above 1067: A large oil fire on the deck of a ship can be fought most effectively with __________.
N a. dry chemical Y b. foam N c. high-velocity fog N d. Water (cartridge-operated) 1331: A Certificate of Financial Responsibility attests that the vessel __________.
Y a. has financial backing to meet any liability resulting from the discharge of oil N b. has the minimum required amount of P & I and hull insurance N c. will assume the responsibility for any damage or loss to the shipper N d. has financial reserves to meet reasonable expected crew costs of an intended voyage 1440: A ship is inclined by moving a weight of 30 tons a distance of 30 ft. from the centerline. A 28-foot pendulum shows a deflection of 12 inches. Displacement including weight moved is 4,000 tons. KM is 27.64 feet. What is the KG?
Y a. 21.34 feet N b. 22.06 feet N c. 22.76 feet N d. 23.21 feet 1541: Which would be considered pollution under the U.S. water pollution laws?
N a. Garbage N b. Hazardous substances N c. Oil Y d. All of the above 1745: During loading, what is the minimum pressure required to be maintained by the inert gas system on cargo tanks?
N a. 2" water gauge Y b. 4" water gauge N c. 20" water gauge N d. 40" water gauge 1948: You have 600 tons of below deck tonnage. There is no liquid mud aboard. If you have 150 tons of cargo above deck with a VCG above the deck of 2.8 feet, what is the maximum allowed VCG of the remainder of the deck cargo that is permitted? (See illustration D036DG, stability letter for M.V. Hudson) (D036DG )
N a. 1.96 feet N b. 2.25 feet Y c. 3.20 feet N d. 3.55 feet 2067: You are standing radio watch and monitoring VHF Channel 16 when you receive a call to your rig, TEXAS STAR, from a supply boat. What is the proper way to answer this call?
N a. 'This is TEXAS STAR. Pick a channel.' N b. 'This is TEXAS STAR on Channel 16. Come back.' Y c. 'This is TEXAS STAR, WSR 1234, reply Channel 10.' N d. 'Please stand by. We're busy right now.' 2256: 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-0054
N a. Available GM 6.8 ft N b. Available GM 5.4 ft N c. Available GM 4.1 ft Y d. Available GM 3.6 ft 2396: Your vessel's drafts are: FWD 17'-05", AFT 20'-01"; and the KG is 25.6 feet. What is the righting moment when the vessel is inclined to 45°? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 17,222 foot-tons Y b. 19,709 foot-tons N c. 21,137 foot-tons N d. 22,002 foot-tons 2535: The connection facilities for the international shore connection must be located to provide access __________.
Y a. to each side of the vessel N b. as close as possible to the house N c. on the main deck N d. on each level of the accommodation space 2567: A MODU crane which has been idle for a period of over six months shall be inspected to the same standards as a __________.
Y a. yearly inspection N b. quarterly inspection N c. monthly inspection N d. weekly inspection 2617: Which is an exception to the garbage discharge requirements in Annex V to MARPOL 73/78?
N a. The garbage to be discharged will sink. N b. Garbage accumulation on board has exceeded storage space. Y c. A person falls overboard, and a plastic ice chest is thrown for flotation. N d. The destination port or terminal cannot receive garbage. 2696: Your vessel's drafts are: FWD 27'-09", AFT 28'-03"; and the KG is 22.4 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the angle of list if the center of gravity is shifted 1.6 feet off the centerline.
N a. 16° N b. 20° Y c. 24° N d. 30° 2796: On small passenger vessels cooking and heating equipment __________.
N a. shall be suitable for marine use N b. may use liquefied petroleum gas N c. cannot use gasoline Y d. All of the above 2943: A virtual rise in the center of gravity of a MODU may be caused by __________.
N a. filling a partially filled tank Y b. using an on board crane to lift a freely swinging heavy object N c. emptying a partially filled tank N d. transferring pipe from the setback area to the pipe rack 3129: If water is rising in the bilge of a survival craft, you should first __________.
N a. abandon the survival craft N b. check for cracks in the hull N c. shift all personnel to the stern Y d. check the bilge drain plug 3140: Hatches on small passenger vessels operating on exposed waters and exposed to the weather __________.
Y a. must be watertight N b. must be open at all times N c. need not be watertight N d. None of the above 3359: You are making tow. A loaded, open-hopper barge with independent tanks has placards, with alternating red and white quadrants, located at each side and end. You inspect the barge and find slight traces of water in the wing voids due to condensation. What should you do?
N a. Refuse to accept the barge until all wing voids are dry. N b. Accept the barge and when weather conditions permit run with the wing voids open to ventilate the spaces. Y c. Accept the barge and periodically check the wing voids. N d. Return the barge to the fleet and depart without the barge. 3462: A rigid lifesaving device only designed for survivors to hold on to while in the water is known as a __________.
N a. liferaft N b. life float N c. life preserver Y d. buoyant apparatus 3542: An aircraft has indicated that he wants you to change course and follow him. You cannot comply because of an emergency on board. Which signal should you make?
N a. Fire a red flare at night or a red smoke signal by day Y b. Send the Morse signal "N" by flashing light N c. Make a round turn (360°) and resume course N d. Make an "S" turn (hard right then hard left) and resume course 3794: 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 3875: The breaking strength of the service lines of the rockets used with an impulse-projected, rocket type line throwing appliances is __________.
N a. 300 lbs Y b. 500 lbs N c. 1000 lbs N d. 1500 lbs 3895: When filling fuel-oil tank 6P on the DEEP DRILLER, it is necessary to open valve __________.
N a. 9 N b. 10 N c. 11 Y d. 12 4005: The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of transverse free surface moments for Fuel Oil (Table 2) if the entire contents of Tank #4P are transferred to Tank #4S?
N a. 0 foot-tons Y b. 1,189 foot-tons N c. 2,378 foot-tons N d. 7,984 foot-tons 4029: Fire protection regulations for towing vessels allow you to use a nonmetallic flexible hose in fuel line installations under all of the following conditions EXCEPT when ___________ .
N a. used in lengths of not more than 30 inches N b. reinforced with wire braid N c. visible and easily accessible Y d. fitted with Coast Guard approved garden hose fittings 4037: 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 KGT?
N a. 52.60 feet Y b. 53.65 feet N c. 54.31 feet N d. 54.92 feet 4085: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new height of the center of gravity corrected for transverse free surface effects if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?
N a. 65.95 feet N b. 66.85 feet N c. 67.66 feet Y d. 68.59 feet 4101: The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the new height of the transverse metacenter if all the bulk materials are discharged?
N a. 63.14 feet N b. 64.05 feet Y c. 64.30 feet N d. 66.09 feet 4115: The inspection of a 50 ft. vessel of 65 gross tons carrying more than twelve passengers on an international voyage is required by the Coast Guard once in every __________. (small passenger vessel regulations)
N a. four years with a minimum of three reinspections during the four year period N b. three years with a minimum of two reinspections during the three year period N c. two years Y d. year 4169: The color of the signal flares sent up by a submarine about to surface from periscope depth is __________.
N a. green N b. yellow Y c. white N d. red 4207: While in 150 feet water depth when the single amplitude roll angle of the COASTAL DRILLER is 1 degree, the safe platform roll period for going on location should be longer than __________.
N a. 0.2 second N b. 3.2 seconds Y c. 7.0 seconds N d. 9.2 seconds 4221: Considering the changes to lightweight shown in section 5 of the COASTAL DRILLER Manual, the maximum allowable combination of hook, rotary, and setback load for the COASTAL DRILLER with the rotary located 34 feet aft of the transom and two feet to port of the centerline is __________.
N a. 1000 kips N b. 875 kips Y c. 854 kips N d. 755 kips 4225: The maximum transverse extension of the cantilever for the COASTAL DRILLER places the rotary __________.
Y a. within 10 feet of the centerline N b. at the vessel TCG N c. at the leg centroid N d. 40 feet aft of the transom 4547: What are the vertical moments for 14.0 feet of drill water in the COASTAL DRILLER's #1 drill water tank?
Y a. 2.455 ft-kips N b. 2.543 ft-kips N c. 2.725 ft-kips N d. 2.997 ft-kips 4693: The COASTAL DRILLER, with no trim, is at a true mean draft of 10 feet and 10 inches. TM is -6,800 ft-kips. Using only tanks #1, #25, and #26, how many kips of drill water must be transferred to level the jack-up?
N a. Transfer 53.1 kips each from #25 and #26 forward to #1 N b. Transfer 100 kips from #26 to #25 N c. Transfer 200 kips from #25 to #26 Y d. Transfer 100 kips from #25 to #26 4733: In the COASTAL DRILLER, LCG is obtained from the sum of the longitudinal moments by __________.
N a. adding the sum of the weights N b. subtracting the sum of the weights N c. multiplying by the sum of the weights Y d. dividing by the sum of the weights 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 5083: When a mobile offshore drilling unit on the waters of the U.S. Outer Continental Shelf has more than one obstruction light, the lights must be operated to flash __________.
Y a. at the same time N b. in sequence at intervals of five seconds N c. in sequence at intervals of ten seconds N d. in sequence at intervals of fifteen seconds 5449: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 17'-06", AFT 20'-04". After all bunkers are on board, soundings indicate the tonnages shown. Use the white pages of The Stability Data Reference Book to determine the free surface correction. ST-0178
N a. 1.05 feet N b. 1.15 feet N c. 1.25 feet Y d. 1.31 feet 5449: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 17'-06", AFT 20'-04". After all bunkers are on board, soundings indicate the tonnages shown. Use the white pages of The Stability Data Reference Book to determine the free surface correction. ST-0178
N a. 1.05 feet N b. 1.15 feet N c. 1.25 feet Y d. 1.31 feet 5961: A CO2 extinguisher on a MODU which has lost 10% of its charge must be __________.
N a. used at the earliest opportunity N b. hydro-tested Y c. recharged N d. weighed again in one month 6125: What is the minimum required number of fire axes that must be carried on a mobile offshore drilling unit?
Y a. 2 N b. 3 N c. 4 N d. 5 6493: A helicopter making a round trip from a helodeck with refueling capabilities to an unmanned platform will take 45 minutes each way. The helicopter should be carrying enough fuel to last __________.
N a. 45 minutes N b. 1 hour and 15 minutes N c. 1 hour and 30 minutes Y d. 2 hours 6941: On offshore drilling units, any reports of a casualty that are made are required to be retained on board for a period of at least __________.
Y a. 3 months N b. 6 months N c. 12 months N d. 24 months 7695: Adding the FSCL to KG yields __________.
N a. KM N b. GM N c. KGT Y d. KGL 8437: A MODU required to carry an Oil Record Book must maintain the book on board for __________.
N a. one year N b. two years Y c. three years N d. four years 8763: After deploying the anchor, a permanent chain chaser is __________.
N a. removed from the anchor chain N b. connected to a buoy at the anchor Y c. stripped back to the rig and secured N d. connected to a buoy halfway down the chain 8983: The time required to incline from port to starboard and back to port again is called __________.
N a. initial stability N b. range of stability N c. inclining moment Y d. rolling period 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 9704: Which of the following statements is/are TRUE in regard to Ro-Ro vessels' spaces which are "specially suitable for vehicles"?
N a. The spaces shall be fitted with an approved fire or smoke detecting system. N b. The spaces shall be fitted with an approved fixed fire extinguishing system. N c. The Commandant may permit the installation of an approved water sprinkler extinguishing system. Y d. All of the above