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% 198: A person suffering from possible broken bones and internal injuries should __________.
N a. be assisted in walking around N b. be examined then walked to a bunk Y c. not be moved but made comfortable until medical assistance arrives N d. not be allowed to lie down where injured but moved to a chair or bunk 280: In the regulations that apply to small passenger vessels an "open boat" is a vessel __________.
N a. that is used for charter fishing or tours and is open to the public N b. on which gambling and consumption of alcoholic beverages is permitted N c. that is docked and open for visitors Y d. that is not protected from entry of water by means of a complete weathertight deck 496: The lifeboat releasing gear lever should be marked with the words __________.
N a. "DANGER, DO NOT TOUCH" N b. "DANGER, BOAT MAY DROP" N c. "DANGER, LEVER RELEASES BOAT" Y d. "DANGER, LEVER DROPS BOAT" 519: A vessel must have at least two fireman's outfits aboard if she __________.
N a. is documented N b. is over 100 gross tons N c. is under foreign articles Y d. has more than 49 people aboard 533: What is the purpose of limber holes?
N a. To allow for air circulation N b. To allow for stress and strain in rough waters N c. To allow water in the boat to drain overboard Y d. To allow water in the bilge to get to the boat drain 544: In radiotelephone communications, the prefix PAN-PAN indicates that __________.
N a. a ship is threatened by grave and imminent danger and requests immediate assistance Y b. a calling station has an urgent message about the safety of a person N c. the message following the prefix will be about the safety of navigation N d. the message following is a meteorological warning 555: The transfer procedures for oil products are required to be posted __________.
N a. in the pilothouse N b. in the officer's lounge N c. in the upper pumproom flat Y d. where they can be easily seen or readily available 770: A vessel is described as a two compartment vessel when it __________.
N a. has no more than two compartments N b. has two compartments in addition to the engine room N c. will sink if any two compartments are flooded Y d. will float if any two adjacent compartments are flooded 918: Fires which occur in energized electrical equipment, such as switchboard insulation, are class __________.
N a. A N b. B Y c. C N d. D 1068: The "flammable limits" of an atmosphere are the __________.
N a. two temperatures between which an atmosphere will self ignite Y b. upper and lower percentage of vapor concentrations in an atmosphere which will burn if an ignition source is present N c. upper and lower pressures between which an atmosphere will not burn N d. two temperatures between which an atmosphere will burn if an ignition source is present 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 1106: On small passenger vessels, when may a flexible hose be used in gasoline or diesel fuel lines?
N a. In diesel installations only N b. In gasoline installations only Y c. In both diesel and gasoline installations N d. In neither diesel nor gasoline installations 1220: Lines passed around the falls to hold the boat while passengers are boarding are __________.
N a. life lines Y b. frapping lines N c. tricing lines N d. tripping lines 1572: Your fishing vessel operates more than 25 miles from the coastline on the Great Lakes. Which distress signal is NOT required to be on board?
N a. 3 red parachute flares N b. 6 red hand flares Y c. 1 electric distress light N d. 3 orange smoke signals 1597: Which characteristic is an advantage of Halon as a fire extinguishing medium?
Y a. Electrically non-conductive N b. Relatively inexpensive N c. Effective against chemicals containing an oxidizer N d. All of the above 1830: Your voyage planning indicates you will arrive at a waypoint in longitude 149°16.3'E at 0947 ZT on 3 March 1988. How should this date be entered into an AMVER report?
N a. 030947K MAR N b. 094703K Y c. 022347Z N d. 234703Z 1832: For GMDSS, when may a compulsory vessel not be allowed to leave port?
N a. When the vessel is in an overloaded condition N b. When the vessel has arranged for both duplication of equipment AND shore-based maintenance Y c. When the vessel has replaced a required piece of GMDSS-related equipment but its performance has not been verified or logged N d. When the vessel is carrying only two licensed GMDSS Radio Operators and is capable of performing all required functions 1955: How often must the emergency generator be tested on a mobile offshore drilling unit?
N a. Once each day N b. Once each week Y c. Once each month N d. Once each year 2070: You have 360 tons of below deck tonnage and 210 tons of above deck cargo on board. You must load 100 tons of liquid mud below deck. How much more deck cargo can you load? (See illustration D036DG, stability letter for M.V. Hudson.) (D036DG )
N a. 25 tons Y b. 65 tons N c. 95 tons N d. 175 tons 2213: When abandoning a MODU, after launching the survival craft you should __________.
N a. plot a course for the nearest land N b. take a vote on which direction you should go Y c. stay in the immediate area N d. go in one direction until fuel runs out 2214: Which statement concerning maintenance requirements is FALSE?
N a. Compulsory vessels sailing in Sea Areas A1 and A2 must provide any one of the three maintenance options which are duplication of equipment, shore based or at-sea maintenance capability. N b. Compulsory vessels sailing in Areas A3 and A4 must provide any two of the three maintenance options which are duplication of equipment, shore based or at-sea maintenance capability. Y c. If shore-based maintenance is used, maintenance services do not have to be completed or performance verified unless the vessel will be sailing to a non-US port. N d. Equipment warranties do not satisfy GMDSS maintenance requirements. 2226: You are sailing on a close reach when a strong wind suddenly heels the vessel hard over. To reduce the heeling and yet maintain speed, you should __________.
Y a. ease the mainsheet and bear more away from the wind N b. haul in on the mainsheet and steer more towards the wind N c. haul in on the mainsheet and ease the jib sheet N d. ease all sheets and bear more into the wind 2336: While loading bulk oil in a barge, you notice oil on the water alongside. What should you do FIRST?
N a. Search the vessel for leaks. N b. Notify the terminal superintendent. Y c. Stop loading. N d. Notify the Coast Guard. 2364: Your vessel is limited to a maximum draft of 27'-06". The present drafts are: FWD 24'-10", AFT 26'-00". How much more cargo can be loaded and where should it be located if a drag of 1 foot is desired? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
Y a. 950 tons 2.5 feet forward of the tipping center N b. 950 tons 5.6 feet aft of amidships N c. 1250 tons 4.3 feet forward of amidships N d. 1250 tons 1.4 feet aft of the tipping center 2436: Your vessel's drafts are FWD 20'-09", AFT 21'-01". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the final drafts if: (1) 320 tons are loaded 47 feet forward of amidships; (2) 82 tons are discharged 110 feet forward of amidships; and (3) 50 tons of fuel are pumped 60 feet forward.
N a. FWD 21'-05", AFT 21'-00" Y b. FWD 21'-06", AFT 21'-02" N c. FWD 21'-04", AFT 21'-05" N d. FWD 21'-04", AFT 21'-06" 2465: The element that supports the weight of the drill stem, allows the drill stem to rotate, and provides a pressure-tight seal and passageway for the drilling mud to be pumped down the inside of the drill stem is called the __________.
Y a. swivel N b. bail N c. kelly N d. cock 2485: A drilling bit which is doughnut shaped to permit recovery of the center portion of the hole drilled is called a __________.
N a. diverter bit N b. hole reamer Y c. core bit N d. conventional bit 2561: The weight of the loaded personnel carrier, when transferring personnel from a MODU with a crane, must not exceed __________.
N a. 2/3 of the static rated load at the lift radius N b. 1/2 of the static rated load at the lift radius N c. 1/5 of the breaking strength of the hoist rope times the parts of the line used Y d. 1/10 of the breaking strength of the hoist rope times the parts of line used 2611: The central longitudinal structural hull strength member of the lower hulls of semisubmersible MODU's is called the __________.
N a. stress plate Y b. keel N c. rider plate N d. main beam 2651: Load line regulations are designed to insure that a MODU has adequate structural strength and sufficient __________.
N a. lifesaving equipment Y b. stability N c. mooring tension N d. riser tension 2656: How long must the GMDSS radio log be retained on board before sending it to the shoreside licensee?
N a. At least two years after the last entry N b. At least one year after the last entry N c. At least 90 days after the last entry Y d. At least 30 days after the last entry 2734: Your vessel's drafts are: FWD 17'-07", AFT 16'-09"; and the KG is 24.8 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 15° inclination.
Y a. 0.7 foot N b. 1.2 feet N c. 1.9 feet N d. 4.8 feet 2811: A vessel heading SW is on a course of __________.
N a. 202.5° Y b. 225.0° N c. 247.5° N d. 270.0° 2824: Your vessel's drafts are: FWD 23'-01", AFT 24'-05"; and the KG is 22.8 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the remaining righting arm at 30° inclination if the center of gravity is 1.9 feet off the centerline.
N a. 3.7 feet N b. 2.3 feet N c. 1.4 feet Y d. 0.7 foot 3021: A semisubmersible which flops between port and starboard angles of list is likely to have __________.
N a. KMT greater than KML Y b. KMT less than KGT N c. an off-center LCG N d. TCG greater than level-vessel TCB 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 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 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 3376: Outlets in gasoline fuel lines are _____________,
N a. permitted for drawing fuel samples N b. permitted for draining fuel from lines N c. permitted for bleeding air from lines Y d. prohibited 3669: The free surface correction depends upon the dimensions of the surface of the free liquid and the __________.
N a. volume of liquid in the tank Y b. displacement of the vessel N c. location of the tank in the vessel N d. height of the center of gravity of the vessel 3676: You have abandoned ship and after two days in a liferaft you can see an aircraft near the horizon apparently carrying out a search pattern. You should __________.
N a. switch the EPIRB to the homing signal mode N b. use the voice transmission capability of the EPIRB to guide the aircraft to your raft N c. turn on the strobe light on the top of the EPIRB Y d. use visual distress signals in conjunction with the EPIRB 3705: 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 margin on maximum allowable KG?
N a. 1.55 feet N b. 1.23 feet Y c. 0.50 foot N d. -1.45 feet 3743: An unconscious person should NOT be __________.
N a. placed in a position with the head lower than the body N b. given an inhalation stimulant Y c. given something to drink N d. treated for injuries until conscious 3763: What is the procedure for checking for spinal cord damage in an unconscious patient?
N a. Beginning at the back of the neck, and proceeding to the buttocks, press the spine to find where it hurts Y b. Prick the skin of the hands and the soles of the feet with a sharp object to check for reaction N c. Selectively raise each arm and each leg and watch patient's face to see if he registers pain N d. Roll patient onto his stomach and prick along the length of his spine to check reaction 3962: When should food or water be provided to survivors after boarding a liferaft?
N a. After 12 hours Y b. After 24 hours N c. After 48 hours N d. Some food and water should be consumed immediately and then not until 48 hours later 4066: The most important concern in treating a person with extensive burns is __________.
N a. reducing disfigurement Y b. preventing infection N c. cooling with ice water N d. reducing swelling 4152: Coast Guard Regulations require that OSV's under 100 GT must have a steering system that is capable of moving the rudder __________.
N a. by a required auxiliary steering system under emergency conditions when duplicated main steering power systems are provided N b. at one-half the maximum astern speed without damage Y c. from 35° on one side to 30° on the other side, in no more than 28 seconds, while making maximum headway N d. from 15° on one side to 15° on the other side, in 30 seconds at 7 knots, or one-half the maximum speed 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 5067: While a MODU is underway, a look-out must be maintained __________.
Y a. at all times N b. only during periods of restricted visibility N c. only when other vessels are present N d. only during the hours of darkness 5247: In case of major damage to column C1P while the DEEP DRILLER is on location, you should pump from port-forward lower-hull tanks using __________.
N a. all four ballast pumps Y b. both port-side ballast pumps N c. saltwater service pump to supplement port-side ballast pumps N d. drill water pump to supplement port-side ballast pumps 5914: On a vessel of 6500 tons displacement, a tank 35 ft. long, 25 ft. wide, and 8 ft. deep is half filled with liquid cargo (S.G. 1.053) while the vessel is floating in saltwater (S.G. 1.026). What is the free surface constant for this tank?
N a. 1152 Y b. 1336 N c. 1371 N d. 16,036 6276: Your drafts are: FWD 17'-09", AFT 18'-03". Use the blue pages of the Stability Data Reference Book to determine the location of the center of flotation relative to amidships.
N a. 5.6 feet forward Y b. 5.1 feet forward N c. at the center of flotation N d. 0.8 foot aft 6921: The notice of casualty to a MODU must include __________.
N a. a request for assistance Y b. the location of the unit at the time of the casualty N c. an estimate of the cost to repair damages N d. the amount of fuel remaining 7417: You receive a call from the U.S. Coast Guard addressed to all stations. The call begins with the words "Pan-Pan" (3 times). Which type of emergency signal would this be?
N a. Safety signal Y b. Urgency signal N c. Distress signal N d. Red alert signal 8225: On what type of pump would you find an impeller?
Y a. Centrifugal N b. Gear N c. Piston N d. Vane 8321: The maximum concentration of H2S to which workers may be regularly exposed without adverse effects is __________.
N a. 10 ppm Y b. 20 ppm N c. 40 ppm N d. 80 ppm 8397: What is the best indication of the loading of a diesel engine?
N a. Oil temperature N b. Manifold pressure Y c. Exhaust gas temperature N d. Fuel consumption 8615: The LWT anchor has two angular positions for the flukes. These are __________.
N a. 30° and 40° Y b. 30° and 50° N c. 30° and 60° N d. 40° and 60° 9633: Which of the following statements is true concerning the control activators, i.e., pull-handles, push-buttons or levers, for a space protected by a CO2 fixed fire extinguishing system?
N a. Only one control activator is required for discharge piping systems designed without a stop valve. N b. Two control activators are required when a stop valve is installed in the main discharge line to a space. N c. An alarm must sound for at least 20 seconds before CO2 is released into a space that is likely to be occupied. Y d. All of the above