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) 113: You hear air escaping from the liferaft just after it has inflated. You should __________.
N a. quickly hunt for the hole before the raft deflates N b. check the sea anchor line attachment for a tear if the seas are rough N c. check the painter line attachment for a tear caused by the initial opening Y d. not panic since the safety valves allow excess pressure to escape 259: What does NOT affect the value of the free surface correction?
N a. Width of the tank N b. Length of the tank Y c. Registered tonnage N d. Specific gravity of the liquid in the tank 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 974: On board small passenger vessels the minimum fill pipe size for a gasoline or diesel tank is __________.
N a. 2 1/2 inches nominal pipe size Y b. 1 1/2 inches nominal pipe size N c. Not specified by the Regulations N d. Large enough so it does not cause backpressure and fuel spillage 980: Assuming an even transverse distribution of weight in a vessel, which condition could cause a list?
Y a. Empty double-bottoms and lower holds, and a heavy deck cargo N b. Flooding the forepeak to correct the vessel's trim N c. Having KG smaller than KM N d. Having a small positive righting arm 1083: On board small passenger vessels, fittings used in a gasoline supply line must be __________.
Y a. made of non-ferrous metal, and be a flare or non-bite flareless type N b. an interlocking type N c. a silver-soldered type N d. an asbestos covered type 1093: On small passenger vessels, which device(s) must be fitted to a fuel line's tank connection?
N a. A fuel strainer Y b. A shut-off valve N c. A tubular glass gauge to indicate the fuel level N d. All of the above 1129: Which function is NOT provided by the scrubber of an inert gas system?
N a. Cools the inert gas. N b. Removes particulate matter like soot. Y c. Maintains gas pressure in the tanks. N d. Removes chemical impurities from the gas. 1279: On a documented small passenger vessel, what information must be permanently affixed in block-type letters and/or numerals to the main beam or other clearly visible interior structural part of the hull?
N a. The vessel's name and gross tonnage Y b. The vessel's official number N c. Draft markings N d. The vessel's name and home port 1309: On small passenger vessels which type of internal combustion engine carburetor does not require a drip collector?
N a. Updraft N b. Two barrel N c. Four barrel Y d. Downdraft 1342: If there's a fire aboard your vessel, you should FIRST __________.
N a. notify the Coast Guard Y b. sound the alarm N c. have passengers put on life preservers N d. cut off air supply to the fire 1464: What is NOT a function of the air supply of a covered lifeboat?
N a. Provides air for engine combustion Y b. Pressurizes water spray system N c. Provides air for passenger respiration N d. Prevents smoke and other noxious fumes from entering craft 1580: Which statement is TRUE concerning the placard entitled "Discharge of Oil Prohibited"?
N a. It is required on all vessels. N b. It is only required in the wheelhouse. Y c. It may be located at the bilge and ballast pump control station. N d. All of the above 1748: In an inert gas system, high pressure alarms are set in the main vapor collection line to cause an audible and visual alarm if the pressure reaches a certain level. What is the percentage of the lowest relief valve setting at which the alarm must sound?
N a. 70% N b. 80% Y c. 90% N d. 95% 1750: You are on an inerted tankship. A low pressure alarm must be set to cause an audible and visual alarm if the pressure in the tanks cannot be maintained at more than __________.
Y a. 4" water gauge N b. 90% of the vacuum relief setting N c. 90% of the pressure drop through the scrubber N d. 90% of the vacuum assist fan 1819: Your vessel displaces 968 tons and measures 158'L x 40'B. You ship a large wave on the after deck. What is the reduction to GM due to free surface before the water drains overboard, if the after deck measures 65'L x 40'B and the weight of the water is 80 tons?
N a. 9.14 feet Y b. 9.45 feet N c. 9.68 feet N d. 9.87 feet 1919: A sailing vessel with the wind coming from 050° relative would be __________.
Y a. close hauled on the starboard tack N b. reaching on a starboard tack N c. on a broad reach on a port tack N d. running before the wind 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 1963: How is a distress message normally initiated through INMARSAT?
N a. All INMARSAT units have a dedicated key that can be pressed for immediate action. N b. By adding the word "DISTRESS" in the first line of the message's preamble Y c. Certain INMARSAT units have a dedicated key that can be pressed for immediate action, while other systems provide menu-driven features. N d. By transmitting the distress message on the U.S. Coast Guard's dedicated monitoring channel. 2108: Air compressors are NOT permitted in which space(s) on a tank barge carrying grade A cargo?
N a. A cargo handling room N b. A space in which cargo hose is stored N c. An enclosed space containing cargo piping Y d. All of the above 2151: 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-0052
N a. Available GM 6.9 ft N b. Available GM 5.3 ft N c. Available GM 4.1 ft Y d. Available GM 3.8 ft 2178: Your drafts are: FWD 6'-01", AFT 6'-05". From past experience, you know that the vessel will increase her draft by 1 inch for every 7 tons loaded. There is rig water on board and 20 tons of deck cargo. How many more tons of cargo can be loaded while maintaining the same trim? (D037DG )
N a. none N b. 10.5 tons Y c. 14.0 tons N d. 17.5 tons 2221: In heavy seas the helmsman should steer the survival craft __________.
Y a. into the seas N b. broadside to the seas N c. in the same direction as the seas N d. in a series of figure-eights 2289: According to the Chemical Data Guide, what is the Reid Vapor Pressure of tert-butylamine?
Y a. 11 (psig) N b. 12 (psig) N c. 13 (psig) N d. 14 (psig) 2290: In order to calculate the TPI of a vessel, for any given draft, it is necessary to divide the area of the waterplane by __________.
N a. 35 N b. 120 N c. 240 Y d. 420 2337: Sideways movement of the mast is resisted by the __________.
Y a. shrouds N b. halyards N c. sheets N d. forestay 2410: Grade A flammable liquids are those with a Reid vapor pressure of __________.
N a. 5 to 8 1/2 psia N b. more than 8 1/2 psia but less than 14 psia Y c. 14 psia or more N d. None of the above 2516: When heated to breakdown, tetraethyl or tetramethyl lead compounds emit highly toxic fumes of __________.
N a. hydrogen gas Y b. lead N c. bromide N d. phosgene 2534: According to the Chemical Data Guide, which reactive group(s) is/are not compatible with the products polybutene and o-xylene?
Y a. Nitric acid N b. Amides N c. Alcohols, glycols N d. Phenols, cresols 2616: According to the Chemical Data Guide, the flash point for motor gasoline is __________.
Y a. -40°F N b. 100°C N c. 199°C N d. 495°F 2675: The heavier outboard strake of deck plating on a MODU is called the deck __________.
N a. stiffener N b. beam Y c. stringer N d. doubler 2911: In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by __________.
N a. ventilation Y b. convection N c. radiation N d. conduction 3022: Vessels operating in warm water whose routes are restricted to 20 miles from a harbor of safe refuge shall carry life floats or buoyant apparatus for not less than __________. (small passenger vessel regulations)
N a. 25% of all persons on board Y b. 50% of all persons on board N c. 75% of all persons on board N d. 100% of all persons on board 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 3167: Topside icing that blocks freeing ports and scuppers __________.
N a. is usually below the center of gravity and has little effect on stability N b. will cause water on deck to pocket and increase stability Y c. may decrease stability by increasing free surface effect due to water on deck N d. increases the effective freeboard and increases the wind-heel affect 3174: What is considered to be a B-II portable fire extinguisher?
Y a. 2-1/2 gallon foam N b. 4 pound carbon dioxide N c. 2 pound dry chemical N d. All of the above 3446: To release the davit cable of a davit launched liferaft, you must __________.
Y a. pull the release lanyard N b. pull the hydraulic release N c. push the release button N d. pull on the ratchet handle 3454: A passenger vessel of 600 GT is required to have how many fire axes?
Y a. 6 N b. 4 N c. 2 N d. 1 3659: Using the Guidance Manual for Loading the M.V. Grand Haven, determine the amount of ballast required in tank No. 1 (P&S) to maintain drafts of 17'-00" forward and 22'-06" aft for a vessel loaded with grain which has a test weight of 43 lbs.
Y a. 23 tons each N b. 50 tons each N c. 75 tons each N d. 150 tons each 3698: You are attempting to administer CPR to a victim. When you blow into his mouth it is apparent that no air is getting into the lungs. What should you do?
N a. Blow harder to force the air past the tongue. N b. Raise the victim's head higher than his feet. N c. Press on the victim's lungs so that air pressure will blow out any obstruction. Y d. Re-tip the head and try again. 3803: For the DEEP DRILLER, what are the transverse moments for a sounding of 5 feet in tank C3P?
N a. 1,005 foot-tons N b. 2,139 foot-tons Y c. -7,130 foot-tons N d. -10,797 foot-tons 4098: Which publication(s) must a towing vessel of 12 meters or more in length carry when operating on US waters other than the Western Rivers?
N a. US Coast Pilot(s) N b. Tide Tables and Tidal Current Tables N c. Notice to Mariners Y d. All of the above 4135: The DEEP DRILLER is loaded as shown in the Sample Load Form #4 (Drilling). According to the deck load graph, how much additional deck load could be added on the unit?
N a. 561.87 long tons Y b. 461.87 long tons N c. 281.34 long tons N d. 192.59 long tons 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 4268: Which statement about immersion suits is TRUE?
Y a. Prior to abandonment, the suit allows body movement such as walking, climbing a ladder and picking up small objects. N b. The immersion suit seals in body heat and provides protection against hypothermia for weeks. N c. The suit is flameproof and provides protection to the wearer while swimming through burning oil. N d. The wearer of the suit is severely restricted and requires twice the time to climb a ladder than without the suit. 4270: Which statement about immersion suits is TRUE?
N a. The primary color of the suit's exterior may be red, orange or yellow. Y b. The suit must, without assistance, turn an unconscious person's mouth clear of the water within 5 seconds. N c. The suit is flameproof and provides protection to a wearer swimming in burning oil. N d. The suit may be stored in a machinery space where the ambient temperature is 160°F. 4533: The sounding level of 17 lb. per gallon mud in mud pit 2S of the COASTAL DRILLER is 7.75 feet. What are the longitudinal moments for this mud?
N a. 16,031 ft-kips N b. 16,342 ft-kips Y c. 20,387 ft-kips N d. 20,781 ft-kips 5097: To have the ultimate authority for a mobile offshore drilling unit while it is under tow, a rig mover must __________.
N a. hold an Able Seaman certificate and be designated as the person in charge of the rig Y b. hold a license as Offshore Installation Manager and be held as the person in charge of the rig N c. be certified by an approved classification society and be designated as the person in charge of the rig N d. be certified by the Minerals Management Service and be designated as the person in charge of the rig 5135: In the illustration, symbol 2 represents __________. (D041DG )
N a. displacement N b. beam limit N c. bilge level Y d. baseline 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 6475: The pneumatic containers which store bulk dry mud additives and cement on a MODU are called __________.
N a. mud hoppers N b. bulk bins Y c. P-tanks N d. mud tanks 6953: After reporting a casualty to a mobile offshore drilling unit, which record must be retained on board?
Y a. Record of drafts N b. Hull reports N c. Anchor record N d. Machinery repair book 7057: Symptoms of sea sickness include __________.
N a. fever and thirst Y b. nausea and dizziness N c. stomach cramps and diarrhea N d. reddening of skin and hives 8091: When preparing a MODU for heavy weather, fuel oil day tanks should be __________.
N a. pumped overboard to calm the seas N b. drained to the lower hull to reduce free surfaces Y c. filled to ensure that sufficient fuel oil is available during a lengthy emergency N d. partially drained to increase free surfaces in order to reduce motions 8377: What factor is essential to the proper operation of a radiator cooled engine?
N a. Cooling water pressure N b. Jacket water treatment Y c. Air flow through the radiator N d. Low heat of combustion 8533: If you observe any situation which presents a safety or pollution hazard during fuel transfer operations on a MODU, what action should you take FIRST?
N a. Wait for the person in charge to act. N b. Notify the ballast control operator. Y c. Shut down the transfer operation. N d. Sound the fire alarm. 8863: 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, and upon arrival at 45 feet, port and starboard ballast tanks 1, 3, and 8 are slack. What is the new KGL?
N a. 51.65 feet N b. 52.67 feet Y c. 55.16 feet N d. 62.24 feet 8993: The waterplane area is described as the intersection of the surface of the water in which a vessel floats and the __________.
N a. baseline N b. vertical reference plane Y c. hull N d. horizontal reference plane 9105: Each ventilation system for an enclosed classified location on a MODU must provide a complete change of air every __________.
N a. 3 minutes Y b. 5 minutes N c. 7 minutes N d. 10 minutes