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.
63: You have abandoned ship and are in an inflatable raft that has just inflated. You hear a continuous hissing coming from a fitting in a buoyancy tube. What is the cause of this?
N a. The saltwater is activating the batteries of the marker lights on the canopy. N b. The inflation pump is in automatic operation to keep the tubes fully inflated. N c. A deflation plug is partially open allowing the escape of CO2. Y d. Excess inflation pressure is bleeding off and should soon stop. 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 169: The signal T 0735 means __________.
N a. The Greenwich mean time is 0735 Y b. The zone time is 0735 N c. The latitude is 7° 35' N d. The longitude is 7° 35' 202: The lifeline which is part of a fireman's outfit must be __________.
N a. made of steel or bronze wire rope N b. corrosion resistant N c. not less than 50 feet in length Y d. All of the above 262: Which fire detection system is actuated by sensing a heat rise in a compartment?
N a. Manual fire detection system Y b. Automatic fire detection system N c. Smoke detection system N d. Watchman's supervisory system 276: For a cargo vessel of 1,000 GT or over, on an international voyage, the required minimum pitot tube pressure from the two highest outlets when two fire pumps are operating simultaneously is approximately __________.
N a. 35 psi Y b. 50 psi N c. 70 psi N d. 100 psi 444: A call between any two ship stations on an intership working frequency shall have a maximum duration of __________.
N a. 2 minutes Y b. 3 minutes N c. 4 minutes N d. 5 minutes 453: You must shift a weight from the upper 'tween deck to the lower hold. This shift will __________.
N a. make the vessel more tender Y b. make the vessel stiffer N c. increase the rolling period N d. decrease the metacentric height 586: On small passenger vessels, which material must not be used in a valve or fitting for a hull penetration?
N a. Cast bronze N b. Plastic Y c. Cast iron N d. Stainless steel 655: The spread of fire is NOT prevented by __________.
N a. shutting off the oxygen supply N b. cooling surfaces adjacent to the fire N c. removing combustibles from the endangered area Y d. removing smoke and toxic gases by ensuring adequate ventilation 707: If your bridge-to-bridge radiotelephone ceases to operate, you must __________.
N a. immediately anchor your vessel and arrange for repairs to the system N b. moor your vessel at the nearest dock available and arrange for repairs to the system N c. arrange for the repair of the system to be completed within 48 hours Y d. exercise due diligence to restore the system at the earliest practicable time 750: The center of flotation of a vessel is __________.
N a. the center of volume of the immersed portion of the vessel Y b. the center of gravity of the water plane N c. that point at which all the vertical downward forces of weight are considered to be concentrated N d. that point at which all the vertical upward forces of buoyancy are considered to be concentrated 756: A motor lifeboat shall carry sufficient fuel to operate continuously for a period of __________.
N a. 12 hours N b. 18 hours Y c. 24 hours N d. 36 hours 911: You are on a supply run to an offshore drilling rig. On board is the cargo listed. What is the height above the main deck of the center of gravity of the cargo? ST-0018
N a. 3.75 feet N b. 3.02 feet Y c. 2.22 feet N d. 0.83 foot 1028: Symptoms of heat stroke are __________.
N a. cold and moist skin, high body temperature N b. cold and dry skin, low body temperature N c. hot and moist skin, high body temperature Y d. hot and dry skin, high body temperature 1033: Your vessel has been in a collision. After assessing the damage, you begin down flooding. This will cause the KB to do what?
N a. Fall N b. Remain stationary Y c. Rise N d. Shift to the high side 1291: The SS AMERICAN MARINER has the following drafts: FWD 09'-00", AFT 15'-11.5". 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-0033
Y a. 1.82 feet N b. 1.96 feet N c. 2.05 feet N d. 2.17 feet 1373: You are reading draft marks on a vessel. The water level is halfway between the bottom of the number 5 and the top of the number 5. What is the draft of the vessel?
N a. 4'-09" N b. 5'-09" Y c. 5'-03" N d. 5'-06" 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 1742: What is the report identifier code for the first AMVER report sent at the start of a voyage?
N a. DP N b. DR N c. PR Y d. SP 1770: On a survival craft VHF radio precautions shall be taken to prevent the inadvertent selection of which channel __________.
N a. 6 N b. 8 Y c. 16 N d. 22 1811: What should be your FIRST action if you discover a fire aboard ship?
Y a. Sound the alarm. N b. Attempt to put out the fire. N c. Confine it by closing doors, ports, vents, etc. N d. Call the Master. 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 2078: A device fitted over the discharge opening on a relief valve consisting of one or two woven wire fabrics is called a flame __________.
N a. stopper Y b. screen N c. filter N d. restrictor 2473: In very deep water drilling, it becomes necessary to reduce tension caused by the weight of the riser joints. This is accomplished by using a(n) __________.
N a. aluminum riser N b. tapered riser Y c. buoyant riser N d. intermediate tensioner 2508: What is the TLV of cyclohexanol?
N a. 20 ppm N b. 30 ppm N c. 40 ppm Y d. 50 ppm 2750: According to regulations, a cargo hose used for transferring liquefied gases must have a bursting pressure of __________.
Y a. 5 times the maximum working pressure on the hose during cargo transfer N b. one half the designed working pressure N c. 4 times the pressure of the cargo pump used for transferring N d. 5 times the minimum working pressure on the hose during cargo transfer 2912: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 11'-01", AFT 15'-01". 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-0086
Y a. 0.68 foot N b. 0.85 foot N c. 0.97 foot N d. 1.30 feet 3147: The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers severe damage to the starboard forward column below the waterline. You should pump from tank __________.
N a. C1S N b. 8S N c. 2P Y d. 1S 3189: If a gasoline engine turns over freely but will not start, the cause is generally __________.
Y a. a defective ignition system N b. low lube oil level N c. weak valve springs N d. too heavy a load 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 3515: The lightweight longitudinal 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 3558: Limit switches are located on the survival craft winch systems for OSVs to __________.
Y a. stop the winch just before the survival craft reaches final stowage position N b. limit the amount of cable on the drum N c. limit the ascent rate N d. stop the winch in case the craft's weight exceeds the load lift limit 3660: How should the letter "W" be pronounced when spoken on the radiotelephone?
N a. DUB A U Y b. WISS KEY N c. WI NE N d. WOO LF 3672: Which item of the listed survival craft equipment would be the most suitable for night signaling to a ship on the horizon?
Y a. A red parachute flare N b. A red handheld flare N c. An orange smoke flare N d. A flashlight 3781: What is the weight of barite in P-tank #4 of the DEEP DRILLER if the ullage is 3.4 feet?
N a. 11.5 long tons N b. 16.6 long tons N c. 54.2 long tons Y d. 78.2 long tons 3935: To pump bilge water out of the port pump room on the DEEP DRILLER, using the #2 bilge pump, open port-side valve __________.
N a. 28 N b. 36 N c. 41 Y d. 42 3969: The sea anchor shown as item number 14 will NOT __________. (D014SA )
N a. check the liferaft's way N b. keep the liferaft end on to the sea N c. reduce the possibility of capsizing or broaching Y d. right the raft if it inflates inverted 3981: While loaded as shown in the DEEP DRILLER Sample Load Form #4 (Drilling), all of the liquid mud is dumped. What is the new position of the longitudinal center of buoyancy?
N a. 0.00 feet N b. 1.69 feet N c. 2.25 feet Y d. 2.29 feet 4203: While going on location in 200 feet water depth when the roll angle of the COASTAL DRILLER is 2.5 degrees, the roll period should be longer than __________.
N a. 0.8 second N b. 6.2 seconds Y c. 13.0 seconds N d. 17.0 seconds 4207: While in 150 feet water depth when the single amplitude roll angle of the COASTAL DRILLER is 1 degree, the safe platform roll period for going on location should be longer than __________.
N a. 0.2 second N b. 3.2 seconds Y c. 7.0 seconds N d. 9.2 seconds 4209: You are loading in a port subject to the tropical load line mark and bound for a port subject to the summer load line mark. You will enter the summer zone after steaming four days. You will consume 41 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.000 and the average TPI is 55. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
N a. 55 inches N b. 49 inches N c. 44 inches Y d. 41 inches 4305: The COASTAL DRILLER is experiencing a single amplitude roll angle of 3 degrees and a roll period of 10 seconds. What is the maximum water depth that can be used for going on location?
N a. 45 feet Y b. 95 feet N c. 145 feet N d. 245 feet 4567: When elevated, placing the LCG and TCG at the leg centroid provides __________.
N a. reduced scour rates N b. higher variable loading during preloading N c. higher drilling loads Y d. equal leg reactions 4744: You operate the lever shown when the lifeboat is __________. (D013SA )
N a. in the secured position N b. at the embarkation deck N c. being lowered to sea level Y d. waterborne 4811: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the value of KMT if the entire contents of drill water tanks 6 and 7 are discharged?
N a. 135.91 feet Y b. 136.38 feet N c. 136.62 feet N d. 136.89 feet 4851: The self-contained breathing device should not be used in which situation?
N a. Oxygen deficient spaces N b. Compartments containing poisonous vapors N c. Fighting fires that produce heavy smoke Y d. Underwater search 5071: A mobile offshore drilling unit is on the waters of the U.S. Outer Continental Shelf. It has a length of 220 feet and a breadth of 190 feet. Where must the obstruction lights be located?
N a. At the top of the drill mast Y b. On each corner of the rig N c. At the bow of the rig N d. At the bow and stern of the rig 5314: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 14'-04", AFT 18'-08". 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-0176
N a. 1.05 feet N b. 1.15 feet Y c. 1.25 feet N d. 1.31 feet 5327: While the COASTAL DRILLER is in transit at a draft of 10 feet 6 inches, a severe storm is predicted within 12 hours. GMT is 98.89 feet. How much should the KG corrected for free surface effects be lowered to satisfy the maximum allowable KG criteria?
N a. 3.66 feet N b. 2.34 feet N c. 1.32 feet Y d. 0.00 feet 5615: Structural stress levels in a MODU are the sum of loading stresses and stresses due to __________.
Y a. environmental loads N b. variable loads N c. ballast loading N d. mooring loads 7021: The symptoms of heat exhaustion are __________.
N a. slow and strong pulse N b. flushed and dry skin N c. slow and deep breathing Y d. pale and clammy skin 7387: Prior to boarding from a MODU, a davit-launched liferaft should be well ventilated of excess __________.
N a. hydrocarbon gas N b. carbon monoxide gas Y c. carbon dioxide gas N d. freon gas 7617: When a MODU is inclined at a small angle, the center of buoyancy will __________.
N a. remain stationary Y b. move toward the low side N c. move toward the high side N d. move to the height of the metacenter 8093: What is the displacement of the DEEP DRILLER with a draft of 19.5 feet in fresh water?
Y a. 11,932.8 long tons N b. 12,232.8 long tons N c. 12,602.9 long tons N d. 18,919.8 long tons 8107: What is the minimum required GML for the DEEP DRILLER in winds less than 70 knots while at a draft of 60 feet?
N a. 0.17 foot Y b. 2.63 feet N c. 4.34 feet N d. 9.12 feet 8333: Individuals who have consumed alcohol within 24 hours of exposure to H2S can tolerate __________.
N a. unusually large concentrations of H2S Y b. smaller than normal concentrations of H2S N c. moderate concentrations of H2S without the usual reactions N d. longer exposure to H2S concentrations 8351: What is a pinion in a jacking system?
N a. Flexible coupling N b. Flexible shaft N c. Flexible joint Y d. Gearwheel 8865: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Although winds are less than 70 knots, excessive motion requires 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 will be the new margin on the maximum allowable KG?
Y a. 7.08 feet N b. 8.12 feet N c. 8.44 feet N d. 8.96 feet 9125: Automatic fire dampers in ventilation systems are operated by a __________.
N a. remote operated valve Y b. fusible link N c. CO2 system pressure switch N d. heat or smoke detector