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.
65: The most serious effect of trapped air in a diesel engine jacket water cooling system is that it __________.
Y a. accelerates erosion N b. reduces the effectiveness of chromate additives N c. can form pockets of high chemical concentrates N d. accelerates formation of sludge deposits 136: Which item is NOT required to be marked with the vessel's name?
Y a. Hand-portable fire extinguisher N b. Life preserver N c. Immersion suit N d. Lifeboat oar 195: As soon as the officer in charge of the vessel has taken steps to stop the discharge of oil or oily mixture into a U.S. harbor, what must he do FIRST?
N a. Rig a boom for recovery. Y b. Call the Coast Guard. N c. Alert the fire department. N d. Inform the Environmental Protection Agency. 242: You are in a tank wearing the self-contained breathing apparatus and you desire to return topside. How many tugs of the lifeline mean to take up the slack?
N a. One N b. Two Y c. Three N d. Four 256: What is the minimum number of fire pumps required on a cargo vessel of 2,000 GT?
N a. 1 Y b. 2 N c. 3 N d. 4 310: A vessel's light draft displacement is 7400 tons. The center of gravity at this draft is 21.5 ft. above the keel. The following weights are loaded: (WT. #1-450 tons, VCG #1-17.4 ft.; WT. #2-220 tons, VCG #2-11.6 ft.; WT. #3-65 tons, VCG #3-7.0 ft.). The new CG above the keel is __________.
N a. 14.7 feet N b. 17.8 feet N c. 18.7 feet Y d. 20.9 feet 341: The Master or other vessel representative must contact the nearest Coast Guard Marine Safety Office within five days of a(n) __________.
Y a. grounding N b. injury which requires first aid N c. accident which requires $(SA)2500 of repairs N d. All of the above are correct. 501: 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-0010
N a. 1292 tons Y b. 1248 tons N c. 1211 tons N d. 1172 tons 503: Your vessel has lifeboats on both sides. Lifeboat No. 2 is located __________.
N a. forward of lifeboat No. 4 on the starboard side Y b. forward of lifeboat No. 4 on the port side N c. aft of lifeboat No. 1 on the starboard side N d. All of the above 608: A fire of escaping liquefied flammable gas is best extinguished by __________.
N a. cooling the gas below the ignition point N b. cutting off the supply of oxygen Y c. stopping the flow of gas N d. interrupting the chain reaction 616: Winch drums for lifeboat falls shall have a diameter at the base of the groove equal to at least __________.
N a. 6 times the diameter of the wire rope N b. 8 times the diameter of the wire rope N c. 12 times the diameter of the wire rope Y d. 16 times the diameter of the wire rope 864: A crew member suddenly becomes blind in both eyes. Which code should your message contain?
N a. MNJ N b. MNM Y c. MNO N d. MNI 975: The waiting signal in code for all forms of signaling is __________.
N a. AR Y b. AS N c. C N d. RQ 1011: Which vessel(s) is(are) required to comply with the vessel bridge-to-bridge radiotelephone regulations while navigating?
N a. All towing vessels 25 feet or less in length N b. All passenger vessels of 50 gross tons or less, carrying one or more passengers Y c. Power-driven vessels 20 meters in length or longer N d. An intermittently manned floating plant under the control of a dredge 1036: Life preservers must be marked with the __________.
N a. stowage space assigned Y b. vessel's name N c. vessel's home port N d. maximum weight allowed 1218: To safely enter a compartment where CO2 has been released from a fixed extinguishing system, you should __________.
N a. wear a canister type gas mask N b. test the air with an Orsat apparatus N c. test the air with a pure air indicator Y d. wear a self-contained breathing apparatus 1247: The BEST method of applying foam to a fire is to __________.
N a. spray directly on the base of the fire Y b. flow the foam down a nearby vertical surface N c. sweep the fire with the foam N d. spray directly on the surface of the fire 1310: Frapping lines are fitted to lifeboat davits to __________.
Y a. reduce the swinging of the lifeboat as it is being lowered from the embarkation level N b. secure the lifeboat in the davits when in the stowed position N c. hold the lifeboat to the ship's side until the tricing lines are passed N d. be used as a safety line in an emergency 1630: A deck-stowed 40-foot container is giving off smoke, and one end is discolored from heat. The cargo is valuable and easily damaged by water. You want to extinguish the fire without further damage if possible. What action should you take?
N a. Connect a portable line from the ship's fixed system and discharge CO2 into the container. N b. Flood the container with water and disregard any cargo damage as the fire threatens the entire vessel. Y c. Pierce the container and discharge 6 or more portable CO2's then add more CO2 hourly. N d. Cool the exterior of the container with water and close all vents; then keep it cooled until it can be off-loaded. 1758: A flooded leg on a liftboat would adversely affect the vessel's stability underway by __________.
N a. increasing the righting moment N b. decreasing the vessel's displacement N c. increasing the reserve buoyancy Y d. shifting the CG (center of gravity) off center 1834: The liquid mud tanks on your vessel measure 20'L by 18'B by 7'D. The vessel's displacement is 986 T and the specific gravity of the mud is 1.6. What is the reduction in GM due to 2 of these tanks being slack?
N a. .09 foot N b. .45 foot Y c. .88 foot N d. 1.35 feet 1983: What is required in addition to the heat, fuel, and oxygen of the fire triangle to have a fire?
N a. Electricity Y b. Chain reaction N c. Pressure N d. Smoke 2088: If the OCMI has NOT granted an extension, free-fall lifeboats must be lowered into the water and launched with the assigned crew at least once every __________.
N a. 3 months Y b. 6 months N c. year N d. 2 years 2191: A fishing vessel that is required to have a fireman's outfit, must have all of the following in the outfit except a __________.
N a. flashlight Y b. combustible gas indicator N c. self-contained breathing apparatus N d. fire axe 2285: When retrieving the survival craft, the helmsman should instruct the crewman to __________.
N a. check the fuel level N b. open the doors N c. take the life preservers off Y d. check that hooks are fully locked in place 2384: Use the material in Section 1, the blue pages, of the Stability Data Reference Book. If the KG is 24.2 feet, and the drafts are: FWD 23'-04", AFT 24'-05"; at what angle will the vessel lose positive stability?
N a. 67° N b. 71° Y c. 75° N d. 79° 2525: 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-0068
N a. Available GM 5.26 ft N b. Available GM 4.24 ft Y c. Available GM 4.11 ft N d. Available GM 4.01 ft 2630: According to the Chemical Data Guide, what is NOT a recommended extinguishing agent for an ethylene cyanohydrin fire?
N a. Alcohol foam N b. CO2 N c. Dry chemical Y d. Water fog 2759: Your vessel's drafts are: FWD 14'-04", AFT 17'-08". The LCG of the forepeak is 200 feet forward of amidships. How many tons of ballast must be pumped into the forepeak in order to have a drag of 18 inches? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 110 tons Y b. 103 tons N c. 100 tons N d. 98 tons 2946: Your vessel's drafts are: FWD 17'-09", AFT 18'-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 1.5 feet off the centerline.
N a. 14° N b. 18° Y c. 22° N d. 26° 2986: What must be mounted at a small passenger vessel's operating station for use by the Master and crew?
Y a. Emergency Instructions N b. A tide table for the area N c. Instructions on artificial respiration N d. The location of the first aid kit 3045: You are testing the external flotation bladder of 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. Contact the manufacturer for repair instructions. N d. Some leakage should be expected and a topping off tube is provided; no other action is necessary. 3077: The purpose of the inclining experiment on a MODU is to determine the __________.
Y a. lightweight and lightweight center of gravity location N b. position of the center of buoyancy N c. position of the metacenter N d. maximum load line 3093: You are preparing to load fuel oil on a vessel of 150 gross tons constructed after June 30, 1974. Before loading, you must check that the fuel oil tank vents __________.
N a. are not obstructed by on-deck cargo N b. have a fire extinguisher within the immediate area Y c. have containment capacity for at least 5 gallons N d. are opened and the flame screen replaced 3314: Which device is required to be installed under the carburetor of a gasoline engine? (small passenger vessel regulations)
N a. Box of sawdust Y b. Drip collector N c. Vent N d. Flame arrestor ONLY 3477: What is the increase in the transverse free surface correction for the DEEP DRILLER at a draft of 60 feet if 103.48 long-tons of ballast are transferred from a full ballast tank 1P to an empty ballast tank 10S?
N a. 0.47 foot Y b. 0.32 foot N c. 0.27 foot N d. 0.13 foot 3593: The DEEP DRILLER is level at a draft of 58 feet when there are no environmental forces. What is the value of LCG?
N a. 0.00 (amidships) N b. 2.23 feet forward of amidships Y c. 2.26 feet forward of amidships N d. 2.31 feet forward of amidships 3594: After having activated the emergency position indicating radio beacon, you should __________.
N a. turn it off for 5 minutes every half-hour N b. turn it off and on at 5 minute intervals N c. turn it off during daylight hours Y d. leave it on continuously 3693: While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers an unexpected but slowly increasing starboard and forward inclination. The wind and waves are light. This inclination could have been caused by __________.
N a. the failure of mooring lines 7 and 8 N b. the drilling crew dumping the mud N c. the drill string breaking Y d. ballast tanks equalizing into tank 1S 3740: The proper stimulant for an unconscious person is __________.
N a. tea N b. coffee N c. whiskey and water Y d. ammonia inhalant 3744: Which should NOT be a treatment for a person who has received a head injury and is groggy or unconscious?
Y a. Give a stimulant. N b. Elevate his head. N c. Stop severe bleeding. N d. Treat for shock. 3910: Your vessel is required to have an impulse-projected line throwing appliance. The auxiliary line must __________.
N a. be of a light color N b. be 250 meters in length Y c. have a breaking strength of 9000 lbs N d. be made of synthetic material 4065: In the DEEP DRILLER, the transverse free surface correction (FSCT) is obtained from the total of transverse free surface moments (FSMT) by __________.
N a. adding the TCG N b. subtracting the TCG N c. multiplying by displacement Y d. dividing by displacement 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 4277: Drilling loads on the COASTAL DRILLER are the combined loads arising from conductor tension, rotary, hook, and __________.
N a. fixed loads Y b. setback loads N c. basic loads N d. variable loads 4691: The COASTAL DRILLER, with no list, is at a true mean draft of 10 feet and 10 inches. LM is 1,699,463 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 106.2 kips aft from #1 to #25 and #26 Y b. Transfer 53.1 kips each from #25 and #26 forward to #1 N c. Transfer 612 kips from #25 to #26 N d. Vessel is level; no need to transfer 5062: You are making a heavy lift with the jumbo boom. Your vessel displaces 8530 T. The 40-ton weight is on the pier and its center is 65' to starboard of the centerline. The head of the boom is 115' above the base line and the center of gravity of the lift when stowed on deck will be 50' above the base line. As the jumbo boom takes the strain the ship lists to 5°. What is the GM with the cargo stowed?
N a. 2.96 ft N b. 3.18 ft N c. 3.46 ft Y d. 3.77 ft 5063: What signal must be sounded by a vessel towing a mobile offshore drilling unit through an area of restricted visibility?
N a. Two prolonged blasts N b. Five or more short blasts Y c. One prolonged and two short blasts N d. One prolonged and three short blasts 5648: The hydrostatic release on the inflatable liferafts on a fishing vessel must be __________.
N a. replaced annually N b. tested monthly Y c. serviced annually N d. overhauled quarterly 5933: Each fire hydrant must have at least one spanner and at least one __________.
Y a. hose rack or reel N b. all purpose nozzle N c. foam applicator N d. pick axe 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 6455: Most drill ships and barges have a walled opening below the derrick, open to the water's surface and through which various drilling tools can pass down to the sea floor called a __________.
Y a. moon pool N b. spider deck opening N c. pontoon N d. keyway 6765: A qualified person must be assigned as the second in command of a lifeboat on a MODU if the lifeboat has a capacity of more than __________.
N a. 20 persons N b. 30 persons Y c. 40 persons N d. 50 persons 6987: Severe airway burns can cause __________.
N a. nausea N b. reddening of cheeks Y c. complete obstruction of respiratory passages N d. nosebleed 7147: What should you do if you have transmitted a distress call a number of times on channel 16 and have received no reply?
Y a. Repeat the message using any other channel on which you might attract attention. N b. Key the microphone several times before transmitting again. N c. Turn up the volume on the receiver before transmitting again. N d. Report the problem to the head electrician. 8222: Which will improve stability?
N a. Closing watertight doors Y b. Pumping the bilges N c. Loading cargo on deck N d. Consuming fuel from a full tank 8662: When may a work vest be substituted for a required life preserver?
N a. To replace a damaged life preserver N b. For use during fire drills N c. For use during boat drills Y d. At no time 8703: The DEEP DRILLER is loaded as shown in Sample Load Form #5 (Survival). While the unit is deballasting, port valve 5 fails in the closed position. You may deballast from tank 2P by pumping from tank 1P after opening valves 6 and __________.
N a. 35 N b. 7 N c. 4 Y d. 2 9001: The difference between the starboard and port drafts caused by shifting a weight transversely is __________.
Y a. list N b. heel N c. trim N d. flotation 9391: Once you have established the daily ration of drinking water in a survival situation, how should you drink it?
N a. Small sips at regular intervals during the day N b. The complete daily ration at one time during the day Y c. One-third the daily ration three times daily N d. Small sips only after sunset