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.
2: An airplane wants a vessel to change course and proceed towards a vessel in distress. The actions of the aircraft to convey this message will NOT include __________.
N a. circling the vessel at least once N b. heading in the direction of the distress location Y c. flashing the navigation lights on and off N d. crossing ahead and rocking the wings 138: A person reports to you with a fishhook in his thumb. To remove it you should __________.
N a. pull it out with pliers N b. cut the skin from around the hook Y c. push the barb through, cut it off, then remove the hook N d. have a surgeon remove it 470: 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% Y b. labeled empty and recharged as soon as possible N c. replaced in its proper location regardless of weight N d. replaced in its proper location if weight loss is no more than 25% 532: Fire hose should be washed with __________.
N a. salt water and a wire brush N b. caustic soap Y c. mild soap and fresh water N d. a holystone 600: The amount of freeboard which a ship possesses has a tremendous effect on its __________.
N a. initial stability N b. free surface Y c. stability at large angles of inclination N d. permeability 628: The most likely location for a liquid cargo fire to occur on a tanker would be __________.
N a. in the midships house N b. at the main deck manifold N c. at the vent header Y d. in the pumproom 849: You are testing the external inflation bladder on an immersion suit and find it has a very slow leak. Which action should be taken?
N a. Replace the suit. N b. Replace the inflation bladder. Y c. Take it out of service and repair in accordance with the manufacturers instructions. N d. Some leakage should be expected and a topping off tube is provided; no other action is necessary. 1104: When there is a small craft advisory winds are predicted up to __________.
N a. 15 knots N b. 24 knots Y c. 33 knots N d. 42 knots 1119: A fill pipe for a gasoline tank on board a small passenger vessel must be __________.
N a. arranged so neither liquid gasoline nor its vapors can overflow or escape inside the vessel N b. terminated on the weather deck and extend to within one-half of its diameter from the bottom of the tank N c. fitted with a suitably marked watertight deck plate or screw cap Y d. All of the above 1205: On board small passenger vessels, storage batteries containing an electrolyte must be set in trays constructed of __________.
N a. a fireproof material Y b. a material resistant to damage by the electrolyte N c. a porous material that permits drainage of any acid overflow N d. suitably strong to hold the weight of the batteries 1255: The color of the signal flare sent up by a submarine indicating that a torpedo has been fired in a training exercise is __________.
N a. white Y b. green N c. yellow N d. red 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" 1514: "Thermal protective aids" are required for what percentage of the persons a survival craft is equipped to carry?
Y a. 10% N b. 50% N c. 75% N d. 100% 1665: Which statement about stowing spare hose is TRUE?
Y a. Fold the hose so that the male coupling is about 4 feet from the female coupling, then roll it up. N b. Roll the hose starting at the female end. N c. Roll the hose starting at the male end. N d. Fold the hose into lengths about 6 feet long and then lash the folds together. 1955: How often must the emergency generator be tested on a mobile offshore drilling unit?
N a. Once each day N b. Once each week Y c. Once each month N d. Once each year 2106: In special cases, the Commandant of the Coast Guard may permit cargo piping to pass through machinery spaces, provided that the only cargo carried through such piping is(are) __________.
N a. grades A or B N b. grades D or E Y c. grade E N d. LFG 2158: You have approximately 15 tons of fish on deck. What will be the shift in the center of gravity after you shift the fish to the fish hold, a vertical distance of 8 feet? (total displacement is 300 tons)
N a. 0.1 foot N b. 0.2 foot N c. 0.3 foot Y d. 0.4 foot 2313: A hydraulic accumulator aboard a MODU is designed to __________.
Y a. store fluid under pressure N b. act as a fluid reservoir N c. provide overpressure relief N d. replenish fluid to a system 2364: Your vessel is limited to a maximum draft of 27'-06". The present drafts are: FWD 24'-10", AFT 26'-00". How much more cargo can be loaded and where should it be located if a drag of 1 foot is desired? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
Y a. 950 tons 2.5 feet forward of the tipping center N b. 950 tons 5.6 feet aft of amidships N c. 1250 tons 4.3 feet forward of amidships N d. 1250 tons 1.4 feet aft of the tipping center 2431: A device used to enlarge the size of an existing bore hole, having teeth arranged on its outside circumference to cut the formation as it rotates is a(n) __________.
N a. enlarger bit N b. casing bit Y c. hole opener N d. casing opener 2599: Oil fires are best extinguished by __________.
Y a. cutting off the supply of oxygen N b. removing the fuel N c. cooling below the ignition temperature N d. spraying with water 2601: In MODU construction, a greater number of watertight bulkheads results in __________.
Y a. increased capacity to set flooding boundaries N b. decreased capacity to set flooding boundaries N c. reduced compartmentation N d. greater deck load capacity 2863: You are berthed at a cargo facility where you have just completed discharging a dangerous cargo from your barge. You must complete topside repairs on the barge involving hot work before sailing. Which statement is TRUE?
N a. You can make repairs with permission of the facility owner since you are empty and the cargo is on the facility. N b. The repair area must be inspected by a marine surveyor to ensure that it can be done safely. N c. Hot work repairs at such a facility are prohibited. Y d. The Captain of the Port may give specific approval to make hot work repairs. 2879: While underway and towing an unmanned tank barge you are required to __________.
Y a. maintain a strict watch on the barge from the towing vessel N b. fly a red flag from the towing vessel N c. open the tops of all empty tanks on the barge N d. take hourly soundings of any loaded tanks on the barge 2890: You have loaded a deck cargo, and the vessel has assumed an 8° list due to negative GM. Your salt water drafts are: FWD 16'-10", AFT 17'-02". If you then load 1050 tons of cargo in the lower holds (VCG 12.5 feet) and 475 tons in the lower 'tween decks (VCG 24.5 feet), what is the final GM? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 2.1 feet N b. 1.6 feet N c. 1.4 feet Y d. 0.6 foot 2919: All of the following are part of the fire triangle EXCEPT __________.
N a. fuel Y b. electricity N c. oxygen N d. heat 2979: Which vessel is required to carry a Category I, 406 MHz EPIRB installed to automatically float free and activate? (small passenger vessel regulations)
N a. A vessel operating exclusively on inland waters N b. A vessel limited to 20 miles offshore, which carries a radiotelephone on board Y c. A vessel operating on the high seas or beyond 3 miles from the coastline of the Great Lakes N d. A vessel limited to 100 miles offshore 3010: 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-0096
Y a. Available GM 4.07 ft N b. Available GM 4.60 ft N c. Available GM 4.69 ft N d. Available GM 4.81 ft 3072: The SS AMERICAN MARINER has on board 6450 tons of cargo with an LCG-FP of 274.46 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-0101
N a. LCG-FP 272.6 feet Y b. LCG-FP 269.8 feet N c. LCG-FP 266.5 feet N d. LCG-FP 263.8 feet 3113: For a MODU with trim, an increase in GMT will cause the inclination to __________.
N a. stabilize at an angle of loll Y b. decrease N c. increase N d. remain constant 3227: A semisubmersible, while floating level, displaces 18,000 long tons. Bulk, weighing 400 long tons, is placed in P-tanks located 80 feet to starboard of the centerline. What is the new TCG?
N a. 0.02 foot starboard of centerline N b. 0.32 foot starboard of centerline Y c. 1.74 feet starboard of centerline N d. 1.78 feet starboard of centerline 3244: A person may operate an air compressor in which of the following areas on board a tank barge?
N a. Pumproom Y b. Generator room N c. A space adjacent to a cargo tank N d. A space two meters from a cargo valve 3357: What must be carried out in order to launch and inflate an inflatable liferaft?
N a. Pull on the hydrostatic release, pull on the sea painter. Y b. Push on the hydrostatic release, pull on the sea painter. N c. Push on the hydrostatic release, push on the sea painter. N d. Pull on the hydrostatic release, push on the sea painter. 3424: The SS AMERICAN MARINER is loaded with the cargo shown. Use the white pages of The Stability Data Reference Book to determine the amount of liquid loading required in the double bottom tanks to meet a one compartment standard. ST-0128
N a. 1920 tons N b. 1280 tons Y c. 895 tons N d. 720 tons 3512: You have sent a visual signal to an aircraft. The aircraft then flies over your position on a straight course and level altitude. What should you do?
Y a. Repeat your signal. N b. Send any more signals necessary. N c. Change course to follow the airplane. N d. Prepare for a helicopter pickup. 3551: Which toxic gas is a product of incomplete combustion, and is often present when a fire burns in a closed compartment?
Y a. Carbon monoxide N b. Carbon dioxide N c. Hydrogen sulfide N d. Nitric oxide 3745: In reviving a person who has been overcome by gas fumes, what would you AVOID doing?
Y a. Giving stimulants N b. Prompt removal of the patient from the suffocating atmosphere N c. Applying artificial respiration and massage N d. Keeping the patient warm and comfortable 3792: 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-0147
N a. 3.10 feet Y b. 2.45 feet N c. 2.00 feet N d. 1.50 feet 3939: 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. 4006: The SS AMERICAN MARINER arrived in port with drafts of: FWD 18'-06", AFT 20'-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-0152
N a. FWD 18'-11", AFT 20'-02" N b. FWD 19'-01", AFT 20'-00" N c. FWD 19'-03", AFT 19'-10" Y d. FWD 19'-05", AFT 19'-08" 4080: On a vessel of 12,500 tons displacement, compute the reduction in metacentric height due to free surface in a hold having free water on the tank top. The hold is 35 feet long and 50 feet wide. The reduction in metacentric height is __________.
N a. .14 ft N b. .45 ft N c. .55 ft Y d. .83 ft 4157: The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #4 (see table 8) is dumped, what would be the new height of the center of gravity corrected for longitudinal free surface effects?
N a. 50.29 feet Y b. 53.55 feet N c. 53.92 feet N d. 54.24 feet 4218: You are loading in a port subject to the winter load line mark and bound for a port subject to the tropical load line mark. You will enter the summer zone after steaming four days, and you will enter the tropical zone after a total of twelve days. You will consume 31 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.000, and the average TPI is 46. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
Y a. 78 inches N b. 74 inches N c. 70 inches N d. 68 inches 4244: You are the operator of a 290 GRT uninspected towing vessel whose construction was contracted for after August 27, 2003. Which type of semi-portable fire-extinguishing system is required on your vessel? (Uninspected Vessel Regulations)
Y a. B-V N b. B-IV N c. B-III N d. None of the above 5073: An obstruction light on a mobile offshore drilling unit on the waters of the U.S. Outer Continental Shelf, shall have a lens that is visible over an arc of __________.
N a. 60° N b. 90° N c. 180° Y d. 360° 5263: The DEEP DRILLER, loaded as shown in Sample Load Form #4 (Drilling), suffers major damage which results in flooding in tank C3S. Your best countermeasure is to __________.
Y a. pump from 9S N b. pump from C3S N c. counterflood in 1P N d. counterflood in 10S 5441: The COASTAL DRILLER has suffered a casualty which requires an orderly evacuation of the unit using the lifeboats and liferafts. Among the items to accomplish in preparing to evacuate the unit is __________.
Y a. securing the unit as in preparation for a severe storm N b. distributing self-contained breathing devices N c. taking a soil sample of the bottom N d. All of the above 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 5673: The DEEP DRILLER may remain at operating draft instead of deballasting to survival draft when __________.
N a. critical motion limits have been exceeded N b. waves approach within two feet of the spider deck Y c. the maximum wave height is less than 64 feet N d. winds are greater than 70 knots 6085: On a MODU, a fixed carbon dioxide or other approved system must be installed __________.
Y a. where oil or chemical drums are stored N b. in all battery storage locations N c. in paint lockers N d. in all of the above locations 6585: When weight-testing a davit launched liferaft on a mobile offshore drilling unit, the deadweight equivalent for each person in the allowed capacity of the raft is __________.
N a. 155 pounds Y b. 165 pounds N c. 175 pounds N d. 185 pounds 6921: The notice of casualty to a MODU must include __________.
N a. a request for assistance Y b. the location of the unit at the time of the casualty N c. an estimate of the cost to repair damages N d. the amount of fuel remaining 7385: To assure safe boarding and launching of a davit-launched liferaft from a MODU, preparation should include __________.
N a. load testing the davit arm and the painter system Y b. removing any side protective rails and checking that the overside and surface level are clear N c. testing the spring loaded drum to assure it will retract the fall release hook N d. testing to assure that the required lamps are functioning properly 8054: A thrust block is designed to __________.
N a. transmit the thrust of the engine to the propeller Y b. transmit the thrust of the propeller to the vessel N c. absorb the shock of wave pressure at the bow N d. be placed between the engines and the foundation to absorb the vibration 8523: The COASTAL DRILLER, while drilling has a total weight of 15,435 kips. The LM are 1,975,680 ft-kips and the TM are -15,435 ft-kips. What is the starboard leg reaction?
N a. 4,060 kips N b. 5,145 kips Y c. 5,559 kips N d. 5,816 kips 8615: The LWT anchor has two angular positions for the flukes. These are __________.
N a. 30° and 40° Y b. 30° and 50° N c. 30° and 60° N d. 40° and 60° 8688: Life floats must be equipped with __________. (small passenger vessel regulations)
N a. a sea anchor N b. a signal mirror N c. an EPIRB Y d. paddles 8713: Port ballast pump #1 on the DEEP DRILLER has failed. If you want to deballast the forward-port column using port ballast pump #2, it is necessary to open valves __________.
Y a. 3, 34, 35, 36, 46, and 48 N b. 4, 34, 35, 36, 46, and 48 N c. 3, 34, 36, 46, and 48 N d. 4, 34, 36, 46, and 48 8851: While underway in a field move with the lower hulls awash, a semisubmersible has an allowable KG of 63.69 feet; KMT is 65.12 and KML is 64.92. The KGT is 56.13 and KGL is 55.89. What is the GML?
N a. 1.43 feet N b. 7.56 feet N c. 7.80 feet Y d. 9.03 feet 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