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.
283: Spreading oil on the open sea has the effect of __________.
N a. diminishing the height of the seas N b. lengthening the distance between successive crests N c. increasing the height of the seas Y d. preventing the wave crests from breaking 422: The all-purpose nozzle will produce a fog spray when you __________.
N a. pull the nozzle handle all the way back toward the operator Y b. pull the nozzle handle back to a position where the handle is perpendicular to the plane of the nozzle N c. push the nozzle handle forward as far as it will go N d. insert a fog applicator between the fire hose and nozzle 708: Removing which will extinguish a fire?
N a. Nitrogen N b. Carbon dioxide N c. Sodium Y d. Oxygen 721: Forces within a vessel have caused a difference between the starboard and port drafts. This difference is called __________.
Y a. list N b. heel N c. trim N d. flotation 726: On an oceangoing vessel, for each person a lifeboat (without desalting kits) is certified to carry, the boat must be supplied with __________.
N a. 2 pounds of condensed milk N b. a signaling whistle Y c. 3 liters of water N d. a life preserver 743: In order for the automatic lifeboat drain to operate properly __________.
N a. the cap should be removed to drain the boat when it is waterborne Y b. the cage must be free of rubbish or the ball may not seat properly N c. there is an automatic ball check located in a siphon tube N d. the small lever to release the rubber ball float must be turned counterclockwise 794: An oiler was badly burned and you are communicating with a passenger ship that has a doctor and hospital on board. You want to rendezvous in a certain position so the oiler can be evacuated for medical treatment. Which code should your message contain?
N a. MAF Y b. MAB N c. MAA N d. MAE 987: Which extinguishing agent will cool down a heated bulkhead in the least amount of time?
N a. Water stream Y b. Water fog or spray N c. Steam N d. Dry chemical 1191: According to the T-Boat regulations the reason for providing adequate ventilation for a battery storage area is to prevent __________.
N a. accumulation of carbon dioxide gas that chokes the battery Y b. accumulation of explosive and toxic gases the battery can generate N c. mildew or dry rot in the battery box N d. battery failure including battery case meltdown caused by excessive heat 1194: Which operation should be done when launching an inflatable liferaft by hand?
N a. Open the liferaft casing. N b. Turn the valve on the CO2 cylinder to start inflation. Y c. Make sure the operating cord is secured to the vessel before throwing it over the side. N d. After inflation, detach operating cord from liferaft. 1198: Lead-acid batteries used aboard "T-Boats" must have terminal connections that are __________.
N a. the spring slip style Y b. a permanent type N c. located so as to be easily greased N d. temporarily clamped on the top of the battery 1222: After each reading of an oxygen indicator, the instrument should be purged with __________.
N a. CO2 Y b. fresh air N c. the tested compartment's air N d. water 1321: How should the lifeboat sea painter be rigged?
Y a. Secured to the inboard side of a forward thwart and led inboard of the falls N b. Spliced into the ring on the stem post N c. Secured by a toggle to the stem post and led outboard of the falls N d. Secured by a toggle around the outboard side of a forward thwart 1433: You should NOT use a power tool if __________.
N a. it has a three-prong plug Y b. the insulation of the power wires is worn N c. hand tools can be used instead N d. the power source is alternating current 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 1659: You have berthed in a port area with other tank vessels. What signal is displayed by a vessel to indicate it is transferring flammable or combustible liquid cargo?
N a. A flashing yellow light Y b. A red light visible all around the horizon N c. A green light visible all around the horizon N d. An illuminated red and yellow caution flag 1727: Which method is used to supply inert gas from a flue gas system to the cargo tanks?
N a. Exhaust gas pressure from the stack Y b. High capacity fan N c. Inert gas compressor N d. Natural aspiration 1737: In order for combustion to occur inside a piping system such as a vapor collection header in a marine emission control system, there must be __________.
N a. fuel N b. oxygen N c. ignition Y d. All of the above 1740: Tank vessel inerting refers to __________.
N a. the introduction of inert gas into a tank with the object of reducing the oxygen content to below 8% by volume N b. the introduction of inert gas into a gas free tank for the purpose of reducing the oxygen content to below 8% by volume N c. the introduction of inert gas into a cargo tank during cargo discharge to replace the volume of discharged cargo Y d. All of the above 1813: On offshore drilling units all sleeping areas, mess areas, recreational and hospital areas that are adjacent to or immediately above a storage area or machinery space, paint locker, washroom, or toilet space must be made __________.
N a. watertight N b. weathertight Y c. odorproof N d. soundproof 1924: Your vessel displaces 645 tons and measures 132'L by 34'B. What is the reduction in GM due to free surface if the fish hold (30'L by 26'B by 8'D) is filled with 3.0 feet of water? (Each foot of water weighs 22.3 tons)
Y a. 1.76 feet N b. 1.94 feet N c. 2.10 feet N d. 2.44 feet 1930: You must ensure that lifesaving equipment is __________.
N a. locked up Y b. readily accessible for use N c. inaccessible to passengers N d. on the topmost deck of the vessel at all times 1962: You have 200 tons of below deck tonnage. There is no liquid mud aboard. If you have 140 tons of cargo above deck with a VCG above the deck of 4.2 feet, what is the maximum allowed VCG of the remainder of the deck cargo that is permitted? (D036DG )
N a. 0.56 foot N b. 0.87 foot N c. 1.04 feet Y d. 2.44 feet 2010: Your vessel measures 128 feet long by 21 feet in beam. If the natural rolling period at a draft of 7'-06" is 6 seconds, what is the GM?
N a. 1.56 feet Y b. 2.37 feet N c. 2.55 feet N d. 2.74 feet 2118: You have 50 containers of ships stores each measuring 6'L by 4'B by 3'H and weighing 0.4 ton each. Each container is stowed on deck. What is the maximum VCG permitted of the remaining cargo if you are carrying rig water and load to maximum capacity? (D037DG )
N a. 1.50 feet N b. 2.25 feet Y c. 2.66 feet N d. 2.91 feet 2127: On vessels on an international voyage, each inflatable liferaft shall have a carrying capacity of not less than __________.
N a. 50 percent of all persons on board N b. 75 percent of all persons on board Y c. 6 persons N d. 10 persons 2128: Your drafts are: FWD 5'-08", AFT 6'-04". From past experience, you know that the vessel will increase her draft 1 inch for every 7 tons loaded. There is rig water on board and 10 tons of deck cargo. How many more tons of cargo can be loaded and still maintain the same trim? (D037DG )
N a. 14.8 tons N b. 18.0 tons Y c. 25.0 tons N d. 32.0 tons 2135: 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-0051
N a. 395 tons Y b. 530 tons N c. 750 tons N d. 990 tons 2157: On offshore drilling units, each EPIRB or SART must be tested once every __________.
N a. day N b. week Y c. month N d. year 2333: You are sailing into a harbor with the intention of picking up your mooring. There is no current. Which statement(s) is(are) TRUE?
Y a. On a ketch, you will most likely strike the jib before making your final approach. N b. On a yawl, the last sail you will strike after you have picked up the mooring will normally be the mainsail. N c. On a sloop, if your initial approach is to be downwind you could slow your approach by striking the jib and letting your main sheet out as far as it will go. N d. All of the above are correct. 2969: All inlet and discharge fittings below the waterline shall have __________. (small passenger vessel regulations)
N a. cast-iron shut-off valves N b. a wooden plug with a 36 inch lanyard Y c. an efficient and accessible means of closing N d. a blank-off flange of similar material 3023: A semisubmersible which flops between forward and aft angles of trim is likely to have __________.
Y a. KML less than KGL N b. an off-center LCG N c. LCG greater than LCB N d. KML greater than KMT 3070: Your vessel's drafts are: FWD 14'-04", AFT 12'-08". 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)
N a. 6500 tons N b. 7001 tons N c. 7415 tons Y d. 8699 tons 3194: Generally, what is used to inflate liferafts?
Y a. non-toxic gas N b. Oxygen N c. Hydrogen N d. Helium 3249: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the LCG-FP of the liquid load. ST-0116
Y a. 231.0 ft N b. 234.3 ft N c. 244.6 ft N d. 251.5 ft 3258: 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 24'-10"? (Use the Guidance Manual for Loading M.V. GRAND HAVEN.)
N a. 1540 tons N b. 1590 tons Y c. 1645 tons N d. 1670 tons 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. 3479: A feature of an inflatable raft which helps keep people stationary in rough weather is __________.
N a. lashings on the floor of the raft for the passenger's feet N b. straps from the overhead Y c. lifelines on the inside of the raft N d. ridges in the floor of the raft 3482: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the KG of the liquid load. ST-0133
N a. 5.1 feet Y b. 4.9 feet N c. 2.9 feet N d. 2.5 feet 3876: What is NOT a requirement for testing the line throwing appliance on a vessel?
N a. A drill should be conducted every three months. Y b. A regular service line must be used when it's fired. N c. A regular projectile must be used when it's fired. N d. The actual firing is at the discretion of the Master. 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 4067: The DEEP DRILLER is operating as shown in Sample Load Form #4 (Drilling). Assume ballast added or discharged to remain at a constant draft is at a VCG of 10 feet. How much non-liquid load would have to be removed from an average height of 130 feet above the keel to meet the maximum allowable KG at a draft of 60 feet for winds greater than 70 knots?
N a. 373 long tons N b. 457 long tons N c. 484 long tons Y d. 524 long tons 4084: A towing vessel is NOT required to be fitted with radar if it is ____________ .
N a. used occasionally to assist vessels in distress Y b. used solely for pollution response N c. less than 49 feet in length N d. towing alongside 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 4208: You are loading in a port subject to the winter load line mark and bound for a port subject to the summer load line mark. You will enter the summer zone after steaming six days. You will consume 32 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.005, and the average TPI is 65. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
N a. 93 inches N b. 90 inches Y c. 81 inches N d. 70 inches 4471: A severe storm threatens the COASTAL DRILLER, and a decision is made to evacuate the unit. If practical, all non-essential personnel should be off the unit in advance of the storm's predicted arrival by __________.
N a. 12 hours N b. 24 hours N c. 36 hours Y d. 48 hours 4484: The SS AMERICAN MARINER has on board 6285 tons of cargo with an LCG-FP of 272.45 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-0162
N a. LCG-FP 271.2 feet Y b. LCG-FP 272.1 feet N c. LCG-FP 273.6 feet N d. LCG-FP 274.6 feet 4761: 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 transverse free surface moments?
Y a. 1492 ft-kips N b. 674 ft-kips N c. 404 ft-kips N d. 270 ft-kips 5155: A MODU displacing 10,000 long tons with KG 20.0 feet, uses its crane to lift a 40 long ton load from dockside and place it on board at a VCG of 5.0 feet. When lifting, the head of the crane boom is 50.0 feet above the keel. During the lift, what is the apparent increase in KG?
N a. 0.02 foot N b. 0.12 foot N c. 0.18 foot Y d. 0.20 foot 5431: The COASTAL DRILLER, loaded as shown in the Sample Load Form #4 (Storm), discharges all the bulk in the four bulk tanks. What is the new TCG?
N a. -1.11 feet N b. -0.47 foot N c. 1.07 feet Y d. 1.11 feet 5543: What happens ns to the efficiency of an anchor when it is moved from sand to mud?
N a. The efficiency increases. Y b. The efficiency decreases. N c. The efficiency remains the same. N d. The efficiency cannot be determined. 5925: When fire pumps are used for other than firefighting service, each pipe connecting the other service (except for branch lines used for deck washing) must have a __________.
N a. check valve installed in the line Y b. shut off valve at a manifold near the pump N c. quick disconnect union within ten feet of the pump N d. regulator in the line set at 125 psi 6401: Why must the drilled hole be filled with drilling mud when tripping the drill string out of the hole?
N a. To maintain circulation to the mud pits N b. To compensate for MODU heave N c. To keep the mud agitated Y d. To prevent reduction of fluid head on the formations 6503: If, during helicopter refueling operations, fuel is spilled on clothing, the person should first __________.
N a. see the medic immediately N b. spray himself with foam or CO2 N c. complete his task and then see the medic Y d. remove the clothing and wash 6563: When loading or discharging dry mud or cement, crew members should use goggles and __________.
Y a. facial respirator mask N b. ear plugs N c. rubberized boots N d. fireman's outfit 6945: Which record must be retained on board after a report of casualty to a mobile offshore drilling unit?
N a. Oil Record Book N b. Chart catalogs Y c. Personnel list N d. Hull report 7785: The result of multiplying a weight by a distance is a __________.
Y a. moment N b. force N c. couple N d. center of gravity location 8183: When extracting the legs from the soil, the hull of the COASTAL DRILLER may be pulled down until the draft is __________.
N a. at the maximum load line draft N b. one foot less than maximum load line draft N c. one foot deeper than maximum load line draft Y d. one foot deeper than calculated afloat draft 8545: It is proposed to moor the DEEP DRILLER in 600 feet of water in a region in which the effective wind velocity could reach 80 knots, significant wave height could reach 30 feet, and the current could be 1.5 knots. If these conditions occurred at the same time from the bow, the total environmental force would be __________.
N a. 620 kips Y b. 595 kips N c. 475 kips N d. 425 kips 9301: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions require ballasting to survival draft. Assume that 4087 long tons of ballast are added at an average VCG of 8.32 feet. What would be the value of uncorrected KG?
Y a. 51.65 feet N b. 52.67 feet N c. 55.15 feet N d. 62.24 feet