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.
22: An inert gas system installed on a tanker is designed to __________.
N a. aid in the stripping and cleaning of cargo tanks N b. increase the rate of discharge of cargo N c. force toxic and explosive fumes from a cargo tank to vent to the outside atmosphere Y d. lower the oxygen levels inside cargo tanks, making explosion nearly impossible 219: For the purposes of the International Rules of the Road, a non-self-propelled mobile offshore drilling unit under tow is considered to be a __________.
N a. non-displacement vessel N b. limited vessel N c. power-driven vessel Y d. vessel 220: Metacentric height is a measure of __________.
Y a. initial stability only N b. stability through all angles N c. maximum righting arm N d. All of the above 241: The signal L1210 means the __________.
Y a. latitude is 12°10' N b. longitude is 12°10' N c. GMT is 1210 N d. zone time is 1210 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 320: As the displacement of a vessel increases, the detrimental effect of free surface __________.
N a. increases Y b. decreases N c. remains the same N d. may increase or decrease depending on the fineness of the vessel's form 502: Penetrations and openings in watertight bulkheads in a small passenger vessel less than 100 gross tons must __________.
N a. be kept as high and as far inboard as possible N b. not contain sluice valves that allow water to flow freely from one watertight compartment to another N c. have some means to make them watertight Y d. All of the above 576: Each lifeboat must be lowered and maneuvered in the water at least once every __________.
N a. 2 months Y b. 3 months N c. 4 months N d. 5 months 591: The SS AMERICAN MARINER has the following drafts: FWD 09'-00", AFT 15'-11". 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-0014
N a. 2.82 feet N b. 2.97 feet N c. 3.15 feet Y d. 3.24 feet 688: Which may ignite fuel vapors?
N a. Static electricity N b. An open and running motor N c. Loose wiring Y d. All of the above 903: On a vessel displacing 8,000 tons, what is the reduction in metacentric height due to free surface when a tank 45 feet long and 45 feet wide is partly filled with salt water?
Y a. 1.22 feet N b. 1.16 feet N c. 1.13 feet N d. 1.10 feet 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 1128: Most small passenger vessels have an auxiliary steering arrangement. According to the regulations, which is acceptable as a substitute for the auxiliary steering system?
N a. A threefold purchase, rove to advantage N b. A spare rudder, stowed so it can be readily mounted Y c. A suitable hand tiller, approved by the OCMI N d. All of the above 1240: On open lifeboats, the purpose of the wire stretched between the davit heads is to __________.
N a. keep the movement of the davits at the same speed N b. keep the davits from slipping when they are in the stowed position N c. prevent vibration during lowering of the boat Y d. support the manropes 1424: Halon gas will decompose and may form very hazardous toxic fumes when discharged __________.
Y a. directly on flames N b. at room temperature N c. in an extremely cold climate N d. None of the above 1452: First aid means __________.
N a. medical treatment of accident N b. setting of broken bones Y c. emergency treatment at the scene of the injury N d. dosage of medications 1499: A cargo of 60 tons is to be loaded on deck 20 feet from the ship's centerline. The vessel's displacement including the 60 ton cargo will be 6,000 tons and the GM two feet. The list of the vessel after loading this cargo will be __________.
N a. 5.4° Y b. 5.72° N c. 6.12° N d. 6.4° 1598: On board a small passenger vessel connections to electric conductors MUST be __________.
Y a. made within enclosures N b. served and parceled N c. installed only by a licensed marine electrician N d. Be inspected annually 1687: The old sailors admonition "Beware the lee shore" warns of the danger due to __________.
N a. the wind blowing stronger at this location Y b. the ground swell making it difficult to tack off N c. the current flowing directly on shore N d. there being less wind in the lee of the shore 1839: A sailing vessel with the wind coming from 020° relative would be __________.
Y a. coming about N b. close hauled on the port tack N c. running before the wind N d. on a broad reach on the starboard tack 1839: A sailing vessel with the wind coming from 020° relative would be __________.
Y a. coming about N b. close hauled on the port tack N c. running before the wind N d. on a broad reach on the starboard tack 1857: Which statement concerning locating signals in the GMDSS is FALSE?
Y a. Locating signals are transmitted by survival craft VHF transceivers. N b. Locating signals are transmitted by SARTs. N c. Locating signals are intended to facilitate the finding of a distressed vessel or its survivors N d. Locating signals are not transmitted by autoalarm generators. 1942: Which EPIRB transmits a distress alert that is received and relayed by an INMARSAT satellite?
N a. Class A EPIRBs N b. Class B EPIRBs Y c. L-Band EPIRBs N d. Category I EPIRBs 1988: You have 590 tons of below deck tonnage. There is no liquid mud aboard. If you have 84 tons of cargo above deck with a VCG above the deck of 2.7 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. 2.54 feet N b. 2.85 feet Y c. 3.11 feet N d. 3.55 feet 2048: Your drafts are: FWD 6'-02", AFT 6'-08". From past experience, you know that the vessel will increase her draft 1 inch for every 6 tons loaded. There is rig water on board and 23 tons of deck cargo. How many more tons of cargo can be loaded and still maintain the same trim? (D037DG )
Y a. 6 tons N b. 12 tons N c. 18 tons N d. 24 tons 2102: The sails are properly set and trimmed. As a vessel heads up from a beam reach to close-hauled the __________.
N a. apparent wind remains steady N b. heeling moment decreases N c. side slip decreases Y d. speed decreases 2104: Use the material in Section 1, the blue pages, of the Stability Data Reference Book. If the KG is 25.2 feet, and the drafts are: FWD 27'-11", AFT 28'-09"; at what angle will the vessel lose positive stability?
Y a. 54° N b. 59° N c. 65° N d. 71° 2239: You can slow or stop a sailing vessel by __________.
N a. put the wind off the beam and sheet in N b. put the wind off the stern and ease all sheets Y c. bring the vessel's head into the wind and let the sails luff N d. raise the centerboard when running before the wind 2278: A cargo of 75 tons is to be lifted with a boom located 50 feet from the ship's centerline. The ship's displacement including the suspended cargo is 6,000 tons and GM is 6 feet. The list of the ship with the cargo suspended from the boom will be __________.
N a. 5.00° N b. 5.40° Y c. 5.94° N d. 6.50° 2283: Sails may be wing and wing when_____________.
N a. tacking N b. on a close reach Y c. sailing with the wind aft N d. anchored or drifting 2363: Use the material in Section 1, the blue pages, of the Stability Data Reference Book. If the KG is 22.0 feet, and the drafts are: FWD 23'-06", AFT 24'-03"; at what angle will the vessel lose positive stability?
N a. 76° N b. 84° N c. 89° Y d. 98° 2482: If a cargo of kerosene were considered "too lean" to explode, then it must be __________.
N a. above the "explosive range" N b. within the "explosive range" Y c. below the "explosive range" N d. None of the above 2497: In MODU drilling operations, the term tripping means __________.
N a. releasing the tongs from the drill pipe N b. welding hard metal to tool joints Y c. hoisting drill pipe out of and returning it to the wellbore N d. sliding a joint of drill pipe down to the pipe rack ramp 2511: When lowering a personnel net to pick up personnel from a boat, the personnel basket should be __________.
Y a. lowered over open water N b. tied to the vessel with a tag line N c. dropped in the water N d. tied to the rig with a tag line 2574: Your vessel's drafts are: FWD 27'-06", AFT 28'-02"; and the KG is 23.1 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 60° inclination.
N a. 0.9 foot Y b. 1.8 feet N c. 2.7 feet N d. 4.5 feet 2634: Use the floodable length curve in Section 1, the blue pages, of the Stability Data Reference Book. If the curve represents 45 percent permeability and number 4 hold floods, the vessel will sink if the permeability exceeds what percent?
N a. 40 N b. 48 N c. 53 Y d. 60 2688: The vapor pressure of a gas is the pressure necessary to keep it in a(n) __________.
N a. soluble state N b. solid state Y c. liquefied state N d. inert state 2822: Survival craft required on a steel small passenger vessel operating in cold water must __________.
Y a. have sufficient capacity for all persons on board the vessel in ocean service. N b. have sufficient capacity for at least 50% of all persons on board for vessels in ocean service N c. be only inflatable liferafts N d. international orange in color only for vessels in lakes, bays and sounds service 2994: Your sailing drafts are: FWD 21'-08", AFT 22'-04" and the GM is 3.2 feet. What will be the angle of list if the #6 port deep tank (capacity 201 tons, VCG 11.4 feet, and 25.5 feet off the centerline) is filled? (Use the data in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 2° N b. 4° N c. 6° Y d. 8° 3000: A rigid lifesaving device ONLY designed for survivors to hold on to while in the water is known as a __________.
N a. liferaft N b. life float N c. life preserver Y d. buoyant apparatus 3470: According to the regulations for lifeboat falls, which action must be taken with the falls no later than 5-year intervals?
N a. Proof tested N b. End-for-ended Y c. Renewed N d. Weight tested 3513: The lightweight transverse free surface moments for the DEEP DRILLER are __________.
N a. 680,914 ft-long tons Y b. 000 ft-long tons N c. -5,937 ft-long tons N d. -6,716 ft-long tons 3545: Until a change to lightweight has been approved, the weights and center of gravity locations for the changes to lightweight shown in the permanent record for the Deep Driller are treated as __________.
Y a. variable load N b. fixed load N c. basic load N d. gross tonnage 3703: While loaded as shown in Sample Load Form #5 (Survival), an estimated 250 long tons of snow and ice accumulates on the DEEP DRILLER at an estimated height of 127 feet. Assuming no corrective ballasting, what is the new height of the center of gravity corrected for longitudinal free surface effects?
N a. 58.78 feet Y b. 60.68 feet N c. 61.53 feet N d. 62.78 feet 3766: The primary concern in aiding a back injury patient is __________.
N a. relieving the patient's pain by giving aspirin or stronger medication Y b. avoiding possible injury to the spinal cord by incorrect handling N c. preventing convulsions and muscle spasms caused by the pain N d. providing enough fluids to prevent dehydration 3871: On the DEEP DRILLER, among the port-side valves to open when deballasting from ballast tank 2P is valve __________.
N a. 3 Y b. 5 N c. 6 N d. 7 3933: On the DEEP DRILLER, the drill water pump may be used to supplement the bilge pumps. Its normal pumping rate is __________.
N a. 250 gallons per minute N b. 350 gallons per minute Y c. 500 gallons per minute N d. 700 gallons per minute 4534: The SS AMERICAN MARINER has on board 5577 tons of cargo with an LCG-FP of 275.55 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-0163
Y a. LCG-FP 271.2 feet N b. LCG-FP 272.1 feet N c. LCG-FP 273.6 feet N d. LCG-FP 274.6 feet 4623: On the COASTAL DRILLER, the bilge discharge is normally through the __________.
Y a. overboard discharge N b. dump valves N c. skimmer tank N d. sump valves 4741: The COASTAL DRILLER is observed to be level at a draft of 10 feet 6 inches. At the same time, the calculated load form shows the displacement to be 13,445 kips. What is the weight of the missing load?
N a. 46 kips N b. 84 kips N c. 189 kips Y d. 217 kips 5234: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 15'-05", AFT 21'-03". After all bunkers are on board, soundings indicate the tonnages shown. Use the white pages of The Stability Data Reference Book to determine the free surface correction. ST-0174
N a. 1.05 feet Y b. 1.15 feet N c. 1.25 feet N d. 1.31 feet 5863: If a MODU under tow starts jumping on its tow line, the most appropriate action to alleviate the condition is to __________.
N a. change course N b. slow down N c. heave to Y d. adjust tow line length 6271: During storm conditions on a MODU, the mooring tensions should be adjusted so that __________.
N a. all mooring lines have a different tension N b. the leeward lines have higher tension than the windward lines Y c. the maximum tension of the most heavily loaded line does not exceed the safe working load N d. all horizontal tension forces on the windward lines are no greater than the vertical tension forces 6485: The main function of the drawworks on a MODU is to __________.
N a. transport tubulars from the pipe racks to the derrick floor N b. maintain constant tension on the marine riser N c. store and secure the excess drill line Y d. lower and hoist the drill string into and out of the drilled hole 6957: Regulations require certain records to be retained on board for at least 3 months after a MODU is involved in a casualty or until advised that they are no longer needed on board by the __________.
N a. owner N b. Master N c. person in charge Y d. Officer in Charge, Marine Inspection 8203: While on a normal tow, the COASTAL DRILLER is threatened with the approach of a severe storm. Including the time required to place the generators on-line, the approximate time required to lower the legs from a TOC (tip-of-can) position of 1.20 feet to 60.50 feet is __________.
N a. 8 minutes N b. 32 minutes N c. 47 minutes Y d. 55 minutes 8895: The AMVER system for vessels in the Gulf of Mexico is administered by the __________.
Y a. U.S. Coast Guard N b. Minerals Management Service N c. Department of Energy N d. Corps of Engineers 9515: With no environmental forces, the center of gravity of an inclined vessel is vertically aligned directly above the __________.
N a. longitudinal centerline Y b. center of buoyancy N c. original vertical centerline N d. center of flotation 9547: A neutral equilibrium position for a vessel means that the metacenter is __________.
N a. lower than the keel Y b. at the same height as the center of gravity N c. exactly at midships N d. at the center of the waterplane area 9614: The normal designed CO2 storage tank temperature and pressure associated with a ship's low-pressure CO2 fixed fire extinguishing system is approximately __________.
N a. 0°F at 50 PSI N b. 70°F at 150 PSI Y c. 0°F at 300 PSI N d. 70°Fat 500 PSI