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.
32: Every U.S. crude oil tankship with a keel laying date on or after 1/1/75, shall be equipped with an inert gas system if the tonnage is more than __________.
N a. 100,000 DWT (long tons) Y b. 100,000 DWT (metric tons) N c. 50,000 DWT (long tons) N d. 50,000 DWT (metric tons) 268: What is NOT a treatment for traumatic shock?
N a. Keep the patient warm but not hot. N b. Have the injured person lie down. Y c. Massage the arms and legs to restore circulation. N d. Relieve the pain of the injury. 420: The most important figure in calculating the free surface constant of a tank carrying liquids is __________.
N a. depth N b. length N c. displacement Y d. breadth 504: If you wished to transmit a message by voice concerning the safety of navigation, you would preface it by the word __________.
N a. Mayday N b. Pan-pan Y c. Securite N d. Safety 728: When water is used to fight a fire on board a ship, the effect of the weight of the water must be taken into account. How much sea water will increase the weight displacement by one ton?
N a. 64 cubic feet Y b. 35 cubic feet N c. 100 gallons N d. 500 liters 761: Which when removed, will result in the extinguishment of a fire?
Y a. Oxygen N b. Carbon dioxide N c. Sodium N d. Nitrogen 886: What is the minimum number of deck officers, able seaman or certificated persons required for a lifeboat on a vessel in ocean service?
Y a. Two N b. Three N c. Four N d. Five 897: Which statement is TRUE concerning carbon dioxide?
N a. It is lighter than air. Y b. It is an inert gas. N c. It is used mostly on class A fires. N d. All of the above 906: Inflatable liferafts shall be serviced at an approved servicing facility every 12 months or not later than the next vessel inspection for certification. However, the total elapsed time between servicing cannot exceed __________.
N a. 12 months N b. 15 months Y c. 17 months N d. 18 months 1152: Hand tillers are only accepted as an auxiliary means of steering if __________.
N a. they are at least 6 feet long N b. they are not operated through a reduction gear Y c. they are found satisfactory by the cognizant OCMI N d. Both A and C above 1174: In general, batteries aboard small passenger vessels should be __________.
N a. as high above the bilge as practicable N b. stowed in well-ventilated spaces to allow dissipation of any gases generated N c. accessible for maintenance and removal Y d. All of the above 1345: An inflatable liferaft can be launched by __________.
N a. the float-free method ONLY N b. breaking the weak link on the painter Y c. throwing the entire container overboard and then pulling on the operating cord to inflate the raft N d. removing the securing straps 1417: A vessel is "listed" when it is __________.
N a. down by the head N b. down by the stern Y c. inclined due to off-center weight N d. inclined due to wind 1507: A thrust block is designed to __________.
N a. absorb the shock of wave pressure at the bow N b. be placed between the engines and the foundation to absorb the vibration N c. transmit the thrust of the engine to the propeller Y d. transmit the thrust of the propeller to the vessel 1621: Why is spare fire hose rolled for storage?
N a. Water in the hose is forced out the end in the rolling process. Y b. The threads on the male end are protected by the hose. N c. Rolling provides maximum protection against entry of foreign objects into the couplings. N d. Rolling provides maximum protection to the outer covering of the hose. 1894: The liquid mud tanks on your vessel measure 24'L by 16'B by 8'D. The vessel's displacement in salt water (specific gravity 1.025) is 864 T and the specific gravity of the mud is 1.47. What is the reduction in GM due to 2 of these tanks being slack?
N a. 0.32 foot Y b. 0.78 foot N c. 0.96 foot N d. 1.12 feet 2339: Sixty tons of cargo are raised with a boom 45 feet from the centerline. The vessel's displacement including the weight lifted is 16,400 tons. The angle of list caused by the suspended weight is 1.5°. KM is 28.75 ft., and BM is 17.25 ft. What is the KG?
N a. 11.65 feet Y b. 22.46 feet N c. 23.15 feet N d. 23.82 feet 2469: According to the regulations, cargo pumprooms on tank vessels (constructed in 1965) handling grade C liquid cargo shall have power ventilation systems which can completely change the air in __________.
N a. 1 minute Y b. 3 minutes N c. 5 minutes N d. 10 minutes 2639: Your vessel's drafts are: FWD 23'-10", AFT 26'-00". 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. 34 tons Y b. 45 tons N c. 55 tons N d. 61 tons 2792: Your vessel's drafts are: FWD 18'-06", AFT 19'-01"; and the KG is 18.2 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 35° inclination.
N a. 1.8 feet N b. 3.0 feet N c. 4.7 feet Y d. 5.8 feet 2794: Which would influence a magnetic compass?
N a. Electrical wiring N b. Iron pipe N c. Radio Y d. All of the above 2832: Which fuel cannot be used for cooking on vessels carrying passengers for hire? (small passenger vessel regulations)
N a. Kerosene N b. Coal N c. Wood Y d. Gasoline 2835: A vessel heading NNE is on a course of __________.
Y a. 022.5° N b. 045.0° N c. 067.5° N d. 090.0° 2878: To prevent the spread of fire by conduction you should __________.
N a. remove combustibles from direct exposure Y b. cool the bulkheads around the fire N c. close all openings to the area N d. shut off all electrical power 2937: A tank of a MODU with a volume of 2,000 cubic feet is pressed with sea water weighing 64 pounds per cubic foot. What is the weight, in kips, of the liquid?
N a. 54 kips N b. 67 kips N c. 78 kips Y d. 128 kips 3091: When will the float-free emergency position indicating radio beacon be activated after abandoning ship?
Y a. Immediately after floating free N b. After about one hour when the salt water activates the battery N c. Only when keyed by the radar of another vessel N d. Only when daylight activates the photovoltaic cell 3107: Subtracting the height of the center of gravity corrected for longitudinal free surface effects from the height of the longitudinal metacenter of a MODU yields __________.
N a. GM Y b. GML N c. KGL N d. KML 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 3156: Lifesaving regulations in Subchapter W require that a fire drill include __________.
N a. starting the fire pumps N b. checking the operation of watertight doors N c. checking arrangements for abandon ship Y d. All of the above 3298: Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatches 2, 6, & 10, while using a single belt loader, to arrive at a desired mean keel draft of 27'-07"? (use the Guidance Manual for Loading M.V. GRAND HAVEN)
N a. 510 tons per hatch Y b. 530 tons per hatch N c. 590 tons per hatch N d. 610 tons per hatch 3437: A jack-up 180 feet in length with the LCF at 120 feet AFO has a draft of 8 feet at the bow and 11 feet at the stern. What is the trim by the stern?
N a. 2.0 feet N b. 2.4 feet Y c. 3.0 feet N d. 6.0 feet 3700: Sign(s) of respiratory arrest requiring artificial respiration is(are) __________.
N a. vomiting Y b. blue color and lack of breathing N c. irregular breathing N d. unconsciousness 3708: If the patient vomits during mouth-to mouth resuscitation, the rescuer should FIRST __________.
N a. ignore it and continue mouth-to-mouth ventilation N b. pause for a moment until the patient appears quiet again, then resume ventilation mouth-to-mouth N c. switch to mouth-to-nose ventilation Y d. turn the patient's body to the side, sweep out the mouth and resume mouth-to-mouth ventilation 3885: On the DEEP DRILLER, among the starboard-side valves to open when flooding through the overboard discharge into ballast tank 1S is valve __________.
Y a. 2 N b. 3 N c. 7 N d. 37 3907: Line throwing apparatus aboard ship must contain __________.
N a. two rockets, one of which shall be the buoyant type N b. three rockets, one of which shall be the buoyant type Y c. four rockets, two of which shall be the buoyant type N d. five rockets, two of which shall be the buoyant type 4088: Which towing vessel(s) is/are exempt from carrying radar?
N a. A vessel used solely in a limited area, such as a barge fleeting area. N b. A vessel exempted, in writing, by the Captain of the Port. N c. A vessel used solely for pollution response or assistance towing. Y d. All of the above 4092: On which route is a towing vessel over 39.4 feet in length NOT required to carry an echo-sounding device?
N a. Great Lakes N b. Inland Waters, other than the Western Rivers Y c. Western Rivers N d. Coastwise Routes 4217: A mat-supported jack-up is best suited for drilling in locations with bottom conditions which are __________.
Y a. soft and level N b. firm and uneven N c. sloping N d. coral 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 4250: A bulk freighter 580 ft. in length, 60 ft. beam, with a waterplane coefficient of .84 is floating in salt water at a draft of 21 ft. How many long tons would it take to increase the mean draft 1"?
N a. 65.1 Y b. 69.6 N c. 74.3 N d. 76.8 4298: What would white exhaust smoke from a diesel engine probably mean?
Y a. Late fuel injection N b. Excess combustion air N c. High compression temperature N d. Excessive lube oil consumption 4323: Guide tolerances during elevation of the jack-up rig will __________.
N a. reduce spud can bearing pressure Y b. keep the unit level and reduce overloading N c. reduce stresses on the hull N d. minimize the potential for punch-through 4325: Lowering the hull of the COASTAL DRILLER and refloating should be done in favorable weather conditions with wave heights not more than __________.
N a. three feet N b. four feet Y c. five feet N d. six feet 5037: Where will you find the requirements for the signals that must be sounded by a mobile offshore drilling unit that is being towed through an area of restricted visibility?
Y a. COLREGS N b. MMS Rules N c. SOLAS Convention N d. Coast Pilot 5153: A semisubmersible floating in sea water displaces 20,000 long tons. She has vertical moments of 1,000,000 foot-long tons. What is the change in KG if 500 long tons are placed aboard at a KG of 120 feet?
N a. 1.22 feet upward Y b. 1.71 feet upward N c. 1.75 feet upward N d. 2.93 feet upward 5311: The COASTAL DRILLER, in field transit at a draft of 10 feet 0 inches with winds less than 70 knots, has a KGT of 39.0 feet and a KGL of 38.6 feet. The margin on the maximum allowable KG is __________.
N a. 3.0 feet N b. 3.4 feet Y c. 26.0 feet N d. 26.4 feet 5434: You are hoisting a heavy lift with the jumbo boom. Your vessel displaces 5230 T. The 35-ton weight is on the pier and its center is 60' to starboard of the centerline. The head of the boom is 105' above the base line and the center of gravity of the lift when stowed on deck will be 42' 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. 4.11 N b. 4.54 Y c. 4.98 N d. 5.13 5515: What should be done after repairing a surface crack on a link of anchor chain by grinding?
Y a. Examine the area by magnetic particle inspection N b. Replace the chain in service N c. Galvanize the area N d. Post heat the area 5633: In ballasting to survival draft, while in transit, due to extreme wind and wave loads, thrusters or propulsion, if available, should be used to __________.
N a. reduce windward mooring tensions Y b. maintain vessel heading N c. maximize accelerations N d. increase speed of advance 5786: 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-0185
N a. Available GM 2.8 ft N b. Available GM 3.2 ft N c. Available GM 3.5 ft Y d. Available GM 3.8 ft 5923: The relief valve on a fire pump is set at 25 psi above the pressure necessary to maintain required fire streams, or __________.
N a. 50 psi N b. 75 psi Y c. 125 psi N d. 150 psi 6249: Automatic fire dampers in ventilation systems are operated by use of __________.
N a. heat or smoke detectors N b. C02 system pressure switches N c. remotely operated valves Y d. fusible links 6567: On offshore drilling units, the number of industrial personnel permitted to be on board during drilling operations is found on the __________.
N a. Classification Certificate N b. Safety of Life at Sea Certificate Y c. U.S. Coast Guard Certificate of Inspection N d. Owner's Operation Manual 7681: The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the __________.
N a. volume of liquid in the tank Y b. volume of displacement of the MODU N c. location of the tank in the MODU N d. height of the center of gravity of the MODU 8121: While at operating draft, the DEEP DRILLER suffers flooding in the port pump room. Both port bilge pumps are inadequate to dewater the pump room. You may supplement the bilge pumps with the __________.
N a. starboard ballast pump and crossover system N b. port ballast pump N c. port saltwater service pump Y d. port drill water pump 8577: The indication of a slipping anchor is a(n) __________.
N a. decrease in mooring line length N b. increase in the opposite amperage N c. increase in the opposite line tension Y d. decrease in mooring line tension and amperage 8733: 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 LCG?
N a. 0.59 foot Y b. 1.64 feet N c. 2.23 feet N d. 2.82 feet 8883: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Additional deck load may be placed aboard. If the maximum permissible deck load were placed in the pipe racks at a VCG of 130 feet, the KG increases __________.
N a. 1.43 feet N b. 1.89 feet Y c. 2.23 feet N d. 2.43 feet 9523: When the height of the metacenter is the same as the height of the center of gravity, the upright equilibrium position is __________.
N a. stable Y b. neutral N c. unstable N d. negative 9673: When fighting a large fire on your vessel and attacking it from ABOVE the space on fire, it is important to __________.
N a. rotate personnel, due to heat stress N b. stand erect, to avoid the heat of the deck N c. cool the deck directly above the space on fire Y d. All of the above