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.
12: The purpose of inert gas systems aboard tank vessels is to __________.
N a. allow sufficient oxygen in the tank to sustain life Y b. prevent outside air from entering the tank N c. provide increase in cargo discharge pressure N d. comply with double hull pollution prevention regulations 56: The required number and type of hand portable fire extinguishers for staterooms on cargo vessels is __________.
N a. one A-I N b. one B-I N c. one C-I Y d. none required 163: You are at sea in an inflatable liferaft. In high latitudes, the greatest danger is __________.
N a. asphyxiation due to keeping the canopy closed Y b. hypothermia caused by cold temperature N c. collapse of the raft due to cold temperatures N d. starvation 216: What is the total number of approved low-velocity spray ("water-fog") applicators required aboard a tankship?
N a. 4 Y b. 7 N c. 10 N d. 11 299: Which of the following statements relating to AMVER (Automated Mutual-assistance Vessel Rescue) is TRUE?
N a. An AMVER participant is under greater obligation to render assistance to a vessel in distress than a non-participant. Y b. There is no cost to the ship or owner for messages sent within the AMVER system. N c. An AMVER participant is not relieved of the obligation to give 24 hour advance notice to the U.S. Coast Guard before entering a U.S. port from offshore. N d. The AMVER system does not reduce the time lost for vessels responding to calls for assistance. 373: Your vessel is broken down and rolling in heavy seas. You can reduce the possibility of capsizing by __________.
N a. shifting the rudder constantly N b. moving all personnel forward and low N c. moving all personnel aft Y d. rigging a sea anchor 889: Small quantities of flammable liquids needed at a work site should be __________.
N a. used only under the supervision and direction of a ship's officer N b. tightly capped and stowed with other tools near the job site when securing at the end of the day N c. used only when a pressurized fire hose is laid out ready for immediate use Y d. in a metal container with a tight cap 936: If your vessel is equipped with inflatable liferafts, how should they be maintained?
N a. Have your crew check them annually. N b. They do not need any maintenance. Y c. Have them sent ashore to an approved maintenance facility annually. N d. Have them serviced by the shipyard annually. 1032: When used to fight fire, carbon dioxide __________.
Y a. is effective if used promptly on an oil fire N b. has a greater cooling effect than water N c. is lighter than air N d. is harmless to cargo and crew 1053: Your vessel is damaged and listing to port. The rolling period is long, and the vessel will occasionally assume a starboard list. Which action should you take FIRST?
N a. Fill an empty double bottom tank on the starboard side N b. Transfer all possible movable weights from port to starboard N c. Pump out ballast from the port and starboard double bottom tanks Y d. Press up a slack centerline double bottom tank 1152: Hand tillers are only accepted as an auxiliary means of steering if __________.
N a. they are at least 6 feet long N b. they are not operated through a reduction gear Y c. they are found satisfactory by the cognizant OCMI N d. Both A and C above 1217: Which types of portable fire extinguishers are designed for use on electrical fires?
Y a. Dry chemical and carbon dioxide N b. Foam (stored pressure) and soda-acid N c. Carbon dioxide and foam (stored pressure) N d. Dry chemical and soda-acid 1243: What is TRUE about hoisting operations?
N a. Personnel may work beneath suspended loads, as long as they are alert and wear hard hats. N b. If a suspended load with no tag begins to spin, personnel should attempt to stop the spinning if the load is within reach. N c. If tag lines are used to control a suspended load, they should be secured to the deck. Y d. Personnel not involved in the hoisting operation should be kept clear of the transfer area. 1513: Limit switches, winches, falls, etc. must be thoroughly inspected at least every __________.
N a. 2 months N b. 4 months N c. 6 months Y d. year 1596: By regulation, orange smoke distress signals will expire not more than how many months from the date of manufacture?
N a. 24 months N b. 36 months Y c. 42 months N d. 54 months 1715: After allowing for pressure losses, the pressure-volume capacity of an inert gas blower must be able to maintain a pressure, in any cargo tank, at a minimum of __________.
N a. 50 millimeters of water pressure Y b. 100 millimeters of water pressure N c. 150 millimeters of water pressure N d. 200 millimeters of water pressure 1778: The Sailing Plan, required by vessels participating in AMVER, should be sent __________.
N a. after the first position report N b. 24 hours prior to departure N c. 24 hours after departure Y d. within a few hours before or after departure 1823: What is the MINIMUM distance a vessel subject to the requirements of Annex V to MARPOL 73/78 must be located from nearest land to legally discharge paper trash?
N a. 5 nautical miles N b. 10 nautical miles Y c. 12 nautical miles N d. 25 nautical miles 2079: Your vessel displaces 479 tons. The existing deck cargo has a center of gravity of 3.0 feet above the deck and weighs 16 tons. If you load 23 tons of anchor and anchor chain with an estimated center of gravity of 9 inches above the deck, what is the final height of the CG above the deck?
N a. 0.33 foot N b. 1.00 foot N c. 1.45 feet Y d. 1.67 feet 2218: The maximum length allowed between main, transverse bulkheads on a vessel is referred to as the __________.
N a. floodable length N b. factor of subdivision N c. compartment standard Y d. permissible length 2275: INTERNATIONAL AND INLAND Your 18-meter vessel is propelled by sail and power. What action is required when the engine is stopped?
N a. Display a black diamond shape forward. Y b. Remove the black cone shape from forward. N c. Remove the black balls (one at the masthead and one on each spreader). N d. Display a black cylindrical shape at the masthead. 2309: Your vessel is preparing to lift a weight of 30 tons with a boom whose head is 30 feet from the ship's centerline. The ship's displacement not including the weight lifted is 8,790 tons. KM is 21.5 ft; KG is 20.5 ft. The angle of list when the weight is lifted will be __________.
N a. 1.4° N b. 2.8° N c. 3.4° Y d. 5.8° 2361: What are the conditions, under GMDSS, whereby a ship is NOT allowed to depart from any port?
Y a. The vessel is not capable of performing all required distress and safety functions. N b. The vessel is carrying more than the required number of qualified GMDSS radio operators. N c. The vessel has a temporary waiver of its radio license and Safety Certificate. N d. The vessel is not carrying a GMDSS radio maintainer, but has provided for shoreside maintenance plus duplication of equipment if required. 2412: 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 5 hold floods, the vessel will sink if the permeability exceeds what percent?
Y a. 66% N b. 70% N c. 74% N d. 79% 2447: The connected joints of pipe, usually made of three joints of pipe approximately 90 feet long, racked in the derrick when making a trip are called a __________.
N a. string Y b. stand N c. joint N d. standpipe 2523: How many B-II fire extinguishers must be in the machinery space of a 75-foot long fishing vessel propelled by engines with 2000 brake horsepower?
Y a. 2 N b. 3 N c. 4 N d. 5 2593: Bulkheads which form part of the tanks on a MODU are stiffened to withstand __________.
N a. deck loads from above N b. dynamic forces while afloat Y c. hydrostatic pressure N d. over-pressurization 2691: Two individuals authorized to serve as a lifeboatman must be assigned to any lifeboat that has a capacity of more than __________.
N a. 10 persons N b. 20 persons N c. 30 persons Y d. 40 persons 2778: Your vessel's drafts are: FWD 24'-06", AFT 25'-04"; and the KG is 17.8 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the remaining righting arm at 75° inclination if the center of gravity is 2.5 feet off the centerline.
N a. 2.5 feet N b. 3.3 feet Y c. 5.4 feet N d. 9.7 feet 2832: Which fuel cannot be used for cooking on vessels carrying passengers for hire? (small passenger vessel regulations)
N a. Kerosene N b. Coal N c. Wood Y d. Gasoline 3170: What would be an example of a B-I extinguisher? (small passenger vessel regulations)
N a. 2.5 gallon foam N b. 10 pound carbon dioxide Y c. 2 pound dry chemical N d. 5 pound foam 3219: The final inspection responsibility for seeing that a tank barge is provided with the required equipment and fittings in good and serviceable condition prior to loading cargo rests with the __________.
N a. terminal operator N b. owner of the barge Y c. tankerman or person in charge of loading N d. charterer through the Master of the towing vessel 3361: The moment created by a force of 12,000 tons and a moment arm of 0.25 foot is __________.
N a. 48,000 ft-tons N b. 6,000 ft-tons Y c. 3,000 ft-tons N d. 0 ft-tons 3361: The moment created by a force of 12,000 tons and a moment arm of 0.25 foot is __________.
N a. 48,000 ft-tons N b. 6,000 ft-tons Y c. 3,000 ft-tons N d. 0 ft-tons 3403: The COASTAL DRILLER has a trim of 2.13 feet by the stern. The draft at the forward draft marks is observed to be 8.0 feet. The draft at the center of flotation is __________.
N a. 7.00 feet N b. 8.58 feet N c. 9.00 feet Y d. 9.42 feet 3423: What is the trim of a jack-up with forward draft of 11 feet and aft draft of 13.75 feet?
N a. 1.38 feet by the stern N b. 1.45 feet by the stern Y c. 2.75 feet by the stern N d. 2.90 feet by the stern 3465: The free surface effects of a partially full liquid tank decrease with increased __________.
N a. density of the liquid N b. placement of the tank above the keel Y c. displacement volume of the vessel N d. size of the surface area in the tank 3690: The MOST important element in administering CPR is __________.
N a. having the proper equipment for the process Y b. starting the treatment quickly N c. administering of oxygen N d. treating for traumatic shock 3713: The DEEP DRILLER is loaded as shown in the Sample Load Form #5 (Survival) when an unexpected slowly increasing starboard list and bow down trim occurs. A leak in 1S is found. By deballasting from ballast tanks 2S and 3S, the inclination slowly decreases. The increase in the transverse free surface corrections is __________.
N a. 1.25 feet N b. 0.90 foot N c. 0.84 foot Y d. 0.22 foot 3891: Which statement is TRUE concerning distress signals in a survival craft?
Y a. Hand held flares and orange smoke signals are required. N b. If hand-held rocket-propelled parachute flares are provided, they are the only distress signals required. N c. Two hand-held smoke signals shall be provided. N d. A Very pistol with twelve flares is required. 3913: The DEEP DRILLER, at a draft of 60 feet, has 50,000 ft-tons of longitudinal moments. How much ballast should be transferred between tanks 1P and 10P to level the unit longitudinally?
Y a. 45.3 long tons N b. 90.6 long tons N c. 118.1 long tons N d. 236.1 long tons 4133: The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). According to the deck load graph, how much additional deck load could be added to the unit?
Y a. 526.87 long tons N b. 276.87 long tons N c. 241.50 long tons N d. 189.51 long tons 4183: What is the shift in KG if all the liquid mud is dumped when the DEEP DRILLER is loaded as shown in the Sample Load #3 (Preparing to Drill)?
N a. 1.26 feet downward Y b. 1.51 feet downward N c. 2.77 feet downward N d. 1.47 feet downward 4267: For the COASTAL DRILLER, what is the maximum rotary load that can be used when the rotary has been extended 40 feet aft of the transom?
N a. 750 kips N b. 630 kips Y c. 609 kips N d. 531 kips 4557: The sounding level of 12 lb. per gallon mud in mud pit 1S of the COASTAL DRILLER is 5.5 feet. What is the weight of the mud?
N a. 104.53 kips Y b. 114.37 kips N c. 116.45 kips N d. 127.41 kips 4572: You are underway at sea. A fire is reported in the forward part of the vessel. The wind is from dead ahead at 20 knots. You should __________.
N a. remain on course and hold speed Y b. change course and put the stern to the wind N c. change course to put the wind on either beam and increase speed N d. remain on course but decrease speed 5163: The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new height of the longitudinal metacenter?
N a. 61.13 feet Y b. 61.19 feet N c. 61.22 feet N d. 62.94 feet 5233: During counterflooding to correct a severe list or trim aggravated by an off-center load, a MODU suddenly takes a list or trim to the opposite side. You should __________.
N a. continue counterflooding in the same direction N b. continue counterflooding, but in the opposite direction Y c. immediately stop counterflooding N d. deballast from the low side 5586: Your drafts are: FWD 17'-09", AFT 21'-01". Use the blue pages of the Stability Data Reference Book to determine the location of the center of flotation relative to amidships.
N a. 5.1 feet forward Y b. 4.7 feet forward N c. 2.6 feet aft N d. 0.8 foot forward 5586: Your drafts are: FWD 17'-09", AFT 21'-01". Use the blue pages of the Stability Data Reference Book to determine the location of the center of flotation relative to amidships.
N a. 5.1 feet forward Y b. 4.7 feet forward N c. 2.6 feet aft N d. 0.8 foot forward 5616: You are tending the lifeline of a man who entered a tank using a breathing apparatus. How many tugs on the lifeline indicate that the man should come out immediately?
N a. 1 N b. 2 N c. 3 Y d. 4 6037: When testing fire hoses on offshore drilling units, each hose must be subjected to a test pressure of at least __________.
Y a. 100 psi N b. 110 psi N c. 120 psi N d. 150 psi 6856: Fire dampers prevent the spread of fire by __________.
N a. conduction Y b. convection N c. radiation N d. direct contact 6905: The Master or person in charge of a MODU is required to submit a casualty report of an intentional grounding when it __________.
Y a. creates a hazard to the vessel N b. will last longer than 24 hours N c. will last longer than 48 hours N d. occurs in international waters 7027: To treat a person suffering from heat exhaustion, you should __________.
N a. administer artificial respiration N b. put him in a tub of ice water Y c. give him sips of cool water N d. cover him with a light cloth 8491: The DEEP DRILLER, at a draft of 50 feet, has a KGT of 52.12 feet and TCG of 0.5 foot to port of the longitudinal centerline. What is the list in feet?
N a. 2.7 feet to port Y b. 5.4 feet to port N c. 5.7 feet to port N d. 10.8 feet to port 8775: While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected forward inclination. The wind and waves are light from the starboard bow. Among the possible causes, you should consider __________.
N a. failure of mooring lines 2 and 3 N b. drilling crew has dumped the mud Y c. the drill string has broken N d. ballast tanks equalizing into tank 1P 9375: After extinguishing a paint locker fire using the fixed CO2 system, the next action is to have the space __________.
N a. opened and burned material removed Y b. left closed with vents off until all boundaries are cool N c. checked for oxygen content N d. doused with water to prevent reflash 9531: When the height of the metacenter is greater than the height of the center of gravity, the upright equilibrium position is stable and stability is __________.
N a. unstable N b. neutral N c. negative Y d. positive 9537: When the height of the metacenter is less than the height of the center of gravity of a vessel, the upright equilibrium position is __________.
N a. stable N b. neutral Y c. unstable N d. negative