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.
7: You have been carrying a liquid with flammable limits of 1% to 7% mixture with air. If your instructions say that no one shall enter the tank if the vapor concentration is over 15% of the LEL, what is the maximum allowable percentage of vapors for men to enter?
Y a. .15% N b. .85% N c. 1.05% N d. 7.00% 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 457: According to the "Vessel Bridge-to-Bridge Radiotelephone Act", your radiotelephone log must contain __________.
N a. a record of all routine calls N b. a record of your transmissions only N c. the home address of the vessel's Master or owner Y d. a summary of all distress calls and messages 797: Which statement about the hospital space on a cargo ship is TRUE?
N a. The hospital may be used for disciplinary confinement if it is not being used for treatment. N b. The hospital space must have both a bathtub and shower. N c. A hospital is required on all vessels with a crew of 12 or more if it makes overnight voyages. Y d. If a ship has a crew of forty-five who do not have their own room, the hospital must have four berths. 1013: If it is impractical to use the fill line to sound the fuel tank, then the tank should be fitted with __________. (Small Passenger Vessel Regulations)
Y a. a separate sounding tube or an installed marine type fuel gauge N b. An extra five gallon tank for reserve fuel N c. A good air vent of sufficient diameter N d. A glass tube to visually observe the fuel 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 1105: In launching a lifeboat, when should the tricing pendants be released?
N a. Before the boat is lowered from the stowage position N b. As soon as the boat-fall blocks clear the davit head N c. After the limit switch is activated Y d. After all people have been embarked 1268: Where must the draft marks be placed on a small passenger vessel?
N a. On each side of the stem N b. Near the stern post or rudder post N c. At each end of the vessel Y d. All of the above 1350: 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-0036
N a. 2.45 feet N b. 1.95 feet Y c. 1.05 feet N d. 0.90 foot 1565: What correctly expresses the time of 1122 (ZD +6) on 6 April 1981, for use in an AMVER report?
Y a. 061722Z N b. 06 1122 ZD+6 N c. G1722 06APR81 N d. 1122Z6 06APR 1615: When administering artificial respiration, it is MOST important to __________.
N a. monitor blood pressure Y b. clear airways N c. use the rhythmic pressure method N d. know all approved methods 1663: Which tank barges require draft marks?
Y a. All tank barges N b. Tank barges over 50 GT N c. Tank barges over 100 GT N d. Notch barges over 1000 GT 1762: You are operating a liftboat. When jacking down and free of the bottom you should __________.
N a. raise one leg at a time N b. not be concerned about any list Y c. raise all legs simultaneously N d. have the crane standing upright 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 1850: Your voyage planning indicates you will arrive at a waypoint in longitude 49°16.3 W at 0947 ZT on 3 March 1988. How should this date be entered into an AMVER report?
Y a. 031247Z N b. 030947P N c. 124733 MAR N d. 309473 1862: All electrical appliances aboard a vessel should be grounded to __________.
N a. prevent them from falling when the vessel rolls Y b. protect personnel from electrical shock N c. increase their operating efficiency N d. prevent unauthorized personnel from operating them 1922: BOTH INTERNATIONAL AND INLAND A sailing vessel shall not impede the safe passage of a __________.
Y a. power-driven vessel following a traffic lane N b. pilot vessel enroute to a pilot station N c. law enforcement vessel N d. All of the above 2198: Which statement is TRUE concerning a sailing vessel with the sails properly trimmed?
N a. The more the sails are sheeted in, the greater your speed will be when sailing downwind. N b. As the sails are sheeted in, the vessel will heel less when close hauled. N c. As the sails are sheeted in on a close hauled course, speed will increase as the side forces on the vessel decrease. Y d. Sheeting in the sails will allow the vessel to sail closer to the wind but will decrease speed. 2253: Using a sea anchor with the survival craft will __________.
Y a. reduce your drift rate N b. keep the survival craft from turning over N c. aid in recovering the survival craft N d. increase your visibility 2276: What is the Reid vapor pressure of allyl chloride?
N a. 16.5 (psia) N b. 14.0 (psia) N c. 12.9 (psia) Y d. 10.3 (psia) 2370: According to the Chemical Data Guide, the flammable limits of ethylene oxide are __________.
N a. 1.85 - 48.0% Y b. 2 - 100% N c. 2.7 - 34% N d. 1.9 - 88.0% 2579: What is the most appropriate action for a GMDSS Radio Operator to take in a distress situation where immediate help is needed, but the vessel is not sinking nor needs to be abandoned?
N a. Switch off EPIRB and SART manually. Y b. Transmit Distress call by MF/HF, VHF or INMARSAT. N c. Notify the RCC (Rescue Coordination Center) through VHF FM on Channel 13. N d. Transmit Distress call by activating the radiotelegraph automatic alarm signal. 2732: According to the regulations, to prevent excessive pressure buildup in cargo tanks containing LFG, they are fitted with __________.
N a. pressure vacuum relief valves N b. excess flow valves Y c. safety relief valves N d. flame screens 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 3325: A semisubmersible, with a TCG of 0.5 feet to port, displaces 20,000 long tons. Bulk, weighing 400 long tons, is discharged from P-tanks located 50 feet starboard of the centerline. What is the new TCG?
N a. 1.03 feet starboard of centerline N b. 0.53 foot starboard of centerline N c. 0.53 foot port of centerline Y d. 1.53 feet port of centerline 3428: Which river passenger vessel must have a copy of the vessel's plans permanently displayed?
N a. A 200 GT vessel carrying more than 50 passengers N b. A 325 GT vessel on a voyage in excess of 8 hours N c. A 550 GT vessel with sleeping accommodations Y d. A 1100 GT vessel making daylight excursion trips only 3478: Puncture leaks in the lower tubes or bottom of an inflatable liferaft should FIRST be stopped by using __________.
Y a. sealing clamps N b. repair tape N c. a tube patch N d. sail twine and vulcanizing kit 3551: Which toxic gas is a product of incomplete combustion, and is often present when a fire burns in a closed compartment?
Y a. Carbon monoxide N b. Carbon dioxide N c. Hydrogen sulfide N d. Nitric oxide 3734: Which procedure should be followed when individuals are rescued in cold climates and suffer from hypothermia?
N a. Give them brandy or other alcoholic stimulation to promote a return to an acceptable body temperature. Y b. Move them to a warm room to gradually raise their body temperature. N c. Keep them moving to stimulate circulation to raise their body temperature. N d. Warm them under an electric blanket to rapidly regain normal body temperature. 3770: The abandon ship signal is __________.
N a. a continuous ringing of general alarm bells for at least 10 seconds N b. a continuous ringing of the general alarm, and sounding of the ship's whistle Y c. more than 6 short blasts and 1 long blast of the ship's whistle and the same signal on the general alarm bells N d. a continuous sounding of the ship's whistle 3794: During an abandonment or drill, the first person to arrive at the survival craft should __________.
N a. pass out food and water to personnel N b. open the doors and start the sprinkler system N c. activate the emergency release handle Y d. open the doors and prepare the craft for boarding 3847: On the DEEP DRILLER, among the valves to open when transferring ballast from Tank 10S to Tank 1P using the #2 ballast pump is valve __________.
N a. 33 Starboard N b. 44 Starboard N c. 33 Port Y d. 34 Port 3915: The DEEP DRILLER, at a draft of 60 feet, has 35,000 ft-tons of longitudinal moments. How much ballast should be transferred between tanks 1P and 10P to level the unit longitudinally?
Y a. 25.5 long tons N b. 50.2 long tons N c. 165.3 long tons N d. 330.2 long tons 3994: The color of the signal flare sent up by a submarine about to surface due to an emergency condition within the submarine is __________.
N a. green Y b. red N c. white N d. yellow 4097: The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the new height of the longitudinal metacenter if all the bulk materials are discharged?
N a. 61.34 feet N b. 62.13 feet Y c. 62.35 feet N d. 64.00 feet 4119: A large fire, involving class "A" material, has developed in the ship's galley. In combating this fire, you should __________.
N a. keep the galley door closed until all the class "A" material has been consumed by the fire N b. have a hose team cool the galley door, then open the door and extinguish the fire using a type B-II extinguisher Y c. cool adjoining horizontal and vertical surfaces before opening the galley door N d. advance the hose team into the galley without any preparatory action 4238: You are the operator of a 296 GRT uninspected towing vessel. Its construction was contracted for after August 27, 2003. In addition to the hand portable fire extinguishers, how much other fire extinguishing equipment are you required to have on board? (Uninspected Vessel Regulations)
N a. Either an approved B-V semi-portable fire-extinguishing system or a fixed fire-extinguishing system Y b. Both an approved B-V semi-portable fire-extinguishing system and a fixed fire-extinguishing system N c. An approved water mist fire protection system and a fixed CO2 fire-extinguishing system N d. Both an approved B-V semi-portable fire-extinguishing system and an approved water mist fire protection system 4307: To what distance below the hull must the legs of the COASTAL DRILLER be lowered in order to meet the stability and leg strength requirements during the wind speeds greater than 70 knots?
N a. 0.0 feet N b. 1.2 feet N c. 25.0 feet Y d. 60.5 feet 4387: The COASTAL DRILLER is elevated in 192 feet of water. Leg penetration is 83 feet. The maximum leg reaction is 5,940 kips. The waves are 30 feet and the current is 2 knots. What is the maximum wind for drilling?
N a. 45 knots Y b. 50 knots N c. 57 knots N d. 62 knots 4402: The SS AMERICAN MARINER has on board 6584 tons of cargo with an LCG-FP of 277.84 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-0161
N a. LCG-FP 271.2 feet N b. LCG-FP 272.1 feet N c. LCG-FP 273.6 feet Y d. LCG-FP 274.6 feet 4417: The COASTAL DRILLER, while in an ocean transit, experiences a single amplitude roll of 8 degrees. What is the minimum period of motion which does not exceed the design limits of the legs?
Y a. 10 seconds N b. 8 seconds N c. 6 seconds N d. 4 seconds 4635: How much drill water is required for transfer between drill water tanks #25 and #26 in order to correct the list of the COASTAL DRILLER with total transverse moments of -6,800 ft-kips?
N a. 200 kips from tank #26 to tank #25 N b. 200 kips from tank #25 to tank #26 N c. 100 kips from tank #26 to tank #25 Y d. 100 kips from tank #25 to tank #26 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 5195: The DEEP DRILLER is under tow at a 20 foot draft. The rig motions are close to exceeding the limits for critical pitch and roll. The rig is also experiencing occasional pounding on the horizontal braces. In this situation you should __________.
Y a. ballast down to a 45 foot draft and check vessel motions N b. wait until pitch and roll exceed the limits before ballasting down N c. ballast up to a 15 foot draft and check vessel motions N d. shorten the tow wire for a smoother tow 5297: Among the possible causes of unexpected rapidly increasing inclination of the DEEP DRILLER while in transit is __________.
N a. consumption of on board variables N b. miscalculation of loads N c. external environmental forces Y d. flooding due to lower-hull damage 5354: You are scheduled to load 3200 tons of cargo, 45 tons of crew effects and stores and 323 tons of fuel. Use the blue pages of the Stability Data Reference Book to determine the vessel's mean draft in salt water.
N a. 17'-00" N b. 16'-10" N c. 16'-07" Y d. 16'-04" 5568: You are tending the lifeline of a man who entered a compartment using a breathing apparatus. How many tugs on the lifeline indicate the man should back out?
N a. 1 N b. 2 Y c. 3 N d. 4 5731: Given the same water depth and line tension, the catenary length of a 19 pound/foot wire rope mooring line in comparison to the catenary length of a 90 pound/foot mooring chain will be __________.
N a. shorter Y b. longer N c. identical N d. indeterminable 5901: With a rig in tow, there is immediate danger to the tug in the event of the __________.
Y a. tug losing power N b. tow line parting N c. bridle twisting N d. rig broaching 5913: If uniformly distributed in the cantilever pipe rack of the COASTAL DRILLER, how much pipe can be placed in the cantilever pipe rack area when the cantilever has been extended 40 feet aft of the transom?
N a. 630 kips N b. 609 kips Y c. 500 kips N d. 479 kips 6083: A fixed CO2 system on a MODU with a capacity of over 300 lbs (136 kilograms) CO2 which protects spaces other than tanks must have __________.
N a. two or more releasing stations N b. automatic release in event of a fire Y c. an audible alarm and time delay N d. an audible and visible alarm 6303: The most doubtful and unpredictable factor in a mooring system is the __________.
Y a. ability of the anchors to hold in a seabed N b. anchor chain catenary length N c. variability of the fairlead N d. angle of the flukes 6395: The term "lost circulation" refers to situations when drilling fluid is lost by __________.
N a. overflowing the drill nipple N b. making drill string connections Y c. flowing into drilled formations N d. an overflow in the mud pits 6521: When cargo aboard a jack-up in transit becomes adrift, the tow vessel should be asked to __________.
Y a. turn into the seas N b. turn to be parallel to the seas N c. reduce speed N d. increase speed 6721: Each hand portable, semi-portable and fixed fire extinguishing unit on a MODU must be tested and inspected at least once every __________.
N a. six weeks N b. six months Y c. twelve months N d. two years 8153: The DEEP DRILLER, at a draft of 60 feet and a total vertical moment of 1,012,598 foot-tons, pumps 2,068.7 long tons of ballast overboard. The VCG of the discharged ballast is 15.0 feet. What is the new height of the center of gravity?
N a. 50.62 feet N b. 55.89 feet N c. 60.56 feet Y d. 61.16 feet 8156: Category 1 EPIRBs are required to be carried on board __________.
N a. small passenger vessels on the Great Lakes N b. all deep draft vessels Y c. fishing industry vessels N d. small passenger vessels 8263: When removing the cap from a sounding tube on a MODU, the sound of air escaping indicates the tank __________.
N a. is full Y b. may be partially flooded N c. level has dropped N d. is completely flooded 8713: Port ballast pump #1 on the DEEP DRILLER has failed. If you want to deballast the forward-port column using port ballast pump #2, it is necessary to open valves __________.
Y a. 3, 34, 35, 36, 46, and 48 N b. 4, 34, 35, 36, 46, and 48 N c. 3, 34, 36, 46, and 48 N d. 4, 34, 36, 46, and 48 9704: Which of the following statements is/are TRUE in regard to Ro-Ro vessels' spaces which are "specially suitable for vehicles"?
N a. The spaces shall be fitted with an approved fire or smoke detecting system. N b. The spaces shall be fitted with an approved fixed fire extinguishing system. N c. The Commandant may permit the installation of an approved water sprinkler extinguishing system. Y d. All of the above