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.
52: Which statement is TRUE concerning inert gas systems on tank vessels?
Y a. Flue gases from the ship's boilers are used in some systems. N b. Helium is the preferred inert gas. N c. Using the system accelerates the rusting of the tanks. N d. All of the above 393: A sea anchor is __________.
N a. a heavy anchor with an extra long line used to anchor in deep water Y b. a cone shaped bag used to slow down the wind drift effect N c. a pad eye to which the sea painter is made fast N d. made of wood if it is of an approved type 536: A fully loaded motor-propelled lifeboat must be capable of attaining a speed of at least __________.
N a. 3 knots in smooth water Y b. 6 knots in smooth water N c. 3 knots in rough water N d. 6 knots in rough water 856: Which statement about immersion suits is TRUE?
N a. Immersion suits should be worn during routine work on deck to provide maximum protection. N b. After purchasing, the suit should be removed from its storage bag and hung on a hanger where readily accessible. Y c. Immersion suits must have a PFD light attached to the front shoulder area. N d. Small leaks or tears may be repaired using the repair kit packed with the suit. 897: Which statement is TRUE concerning carbon dioxide?
N a. It is lighter than air. Y b. It is an inert gas. N c. It is used mostly on class A fires. N d. All of the above 943: You are at sea on a vessel that has a beam of 60 feet, and you calculate the period of roll to be 25 seconds. What is the vessel's metacentric height?
N a. 0.8 ft Y b. 1.1 ft N c. 1.4 ft N d. 1.6 ft 993: If your vessel has a GM of one foot and a breadth of 50 feet, what will be your full rolling period?
N a. 11 seconds N b. 15 seconds N c. 20 seconds Y d. 22 seconds 1056: U.S.C.G. approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew __________.
N a. in lieu of life preservers during fire drills N b. in lieu of life preservers during boat drills N c. in lieu of life preservers during an actual emergency Y d. when carrying out duties near a weather deck's edge 1142: While testing a cargo tank, your oxygen indicator reads 25% oxygen in the tank. You would then __________.
N a. enter the tank safely Y b. suspect the accuracy of the reading N c. ventilate the tank N d. test for nitrogen 1235: Which procedure should NOT be done for a person who has fainted?
N a. Revive the person with smelling salts. N b. Loosen the clothing. N c. Lay the person horizontally. Y d. Give pain reliever. 1275: A documented vessel's name is marked on a clearly visible exterior area of both sides of the bow and on the stern in block letters not less than __________.
N a. 6 inches in height N b. 5 inches in height Y c. 4 inches in height N d. 3 inches in height 1437: You are in a lifeboat when you sight the stars. You will be heading due north when you head for Polaris which is indicated by which letter? (D007SA )
Y a. F N b. G N c. J N d. K 1647: Electrical wiring on all "T-Boats" must be __________.
N a. concealed to prevent mechanical damage N b. concealed so the boat can be maintained more easily Y c. protected from the weather N d. in an accessible place behind the ceiling 1707: Your 40-foot auxiliary sailing vessel has just run aground on a bar. She has a relatively long, deep keel and the tide is falling. You have checked the bilges for damage and found none. Which is the most prudent action to take immediately?
N a. Sheet the sails in flat to try to heel her over with the wind and sail off. N b. Start the engine and run it hard in forward to try to drive over and off the bar. Y c. Strike the sails. Then run a kedge anchor out to one side, hook the main halyard to it, and heave the boat down onto one side. N d. Take soundings visually, by sounding pole, or lead line all around the vessel to locate the deepest water. 1936: Your vessel displaces 696 tons and measures 135'L by 34'B. What is the reduction in GM due to free surface if the fish hold (32'L by 29'B by 9'D) is filled with 2.0 feet of water? (Each foot of water weighs 26.5 tons)
N a. 1.96 feet N b. 2.04 feet N c. 2.25 feet Y d. 2.48 feet 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 1990: What product is considered a noxious liquid substance for regulatory purposes?
N a. Acetonitrile N b. Molten sulfur Y c. Dodecanol N d. Soybean oil 2035: What is usually the first step for a GMDSS Radio Operator to take when initiating a distress priority message via INMARSAT?
N a. Dialing the correct code on the telephone remote unit Y b. Pressing a "Distress Key" on the equipment N c. Contacting the CES operator and announcing a distress condition is in existence N d. Contacting the CES operator using the radiotelephone distress procedure "Mayday"...etc. 2072: By regulation, cargo tank atmosphere must be inert before and during which operation?
N a. stripping N b. topping off N c. gravitating Y d. All of the above 2215: If help has not arrived in 10-12 hours after you abandon a MODU in a survival craft, you should __________.
N a. go in one direction until the fuel runs out N b. plot a course for the nearest land N c. take a vote on which direction you should go Y d. shut down the engine(s) and set the sea anchor 2326: In order to carry a cargo of triethanolamine, what hull type is required?
N a. I N b. II Y c. III N d. IV 2338: In order to check your vessel's stability, a weight of 40 tons is lifted with the jumbo boom, the boom head being 50 feet from the ship's centerline. The clinometer is then carefully read and shows a list of 5°. The vessel's displacement is 8,000 tons including the suspended weight. What will be the metacentric height of the vessel at this time?
N a. 2.74 feet N b. 2.80 feet Y c. 2.86 feet N d. 2.93 feet 2426: Your vessel's drafts are: FWD 17'-05", AFT 20'-01"; and the KG is 22.4 feet. What is the righting moment when the vessel is inclined to 15°? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
Y a. 10,656 foot-tons N b. 12,340 foot-tons N c. 13,980 foot-tons N d. 17,520 foot-tons 2479: Coast Guard regulations require a shipboard Oil Pollution Emergency Plan to be reviewed __________.
Y a. annually N b. once every two years N c. once every four years N d. once every five years 2668: As a vessel changes course to starboard, the compass card in a magnetic compass __________.
Y a. remains aligned with compass north N b. also turns to starboard N c. first turns to starboard then counterclockwise to port N d. turns counterclockwise to port 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 2718: Your vessel's drafts are: FWD 22'-04", AFT 22'-10"; and the KG is 18.4 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 30° inclination.
N a. 1.6 feet N b. 2.9 feet N c. 3.8 feet Y d. 4.6 feet 2777: The lubber's line on a magnetic compass indicates __________.
N a. compass north Y b. the direction of the vessel's head N c. magnetic north N d. a relative bearing taken with azimuth circle 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 2893: The downflooding angle for a MODU is the maximum angle at which __________.
N a. stability is positive N b. neutral equilibrium exists N c. the load line is not submerged Y d. intact stability curves are valid 2922: Whenever practicable, the Certificate of Inspection must be posted __________. (small passenger vessel regulations)
N a. as high as feasible in the pilot house N b. near the area where passengers embark N c. in any location desired Y d. in a conspicuous place where it will most likely be observed by the passengers 2961: The Certificate of Inspection issued to a vessel carrying more than six passengers must be __________. (small passenger vessel regulations)
Y a. posted on board under glass, if practical N b. posted on the dock where passengers are embarked N c. retained at the owner's principal place of business N d. kept on file by the Collector of Customs 3080: When inspecting a tank barge to see that it has all the required fire extinguishers and other safety items aboard, which of the following is the best source for determining what is required?
N a. The supervisor in charge of the dock to which the barge is tied up N b. Part 38 of the Rules and Regulations for Tank Vessels Y c. The Certificate of Inspection of the barge N d. The local fire marshal 3279: You have orders to drop off a barge loaded with propylene oxide at a fleet. In doing so, you must ensure that __________.
N a. all wing voids and rakes are pumped dry before tying off the barge N b. the barge is moored next to the bank where it will be protected from a possible collision Y c. the barge is under the care of a watchman N d. a rake end is facing upstream to minimize the effect of current on the mooring lines 3315: 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-0122
N a. 271.2 ft Y b. 291.0 ft N c. 288.8 N d. 305.3 ft 3413: With no environmental forces on the DEEP DRILLER, the average of the forward drafts is 59.0 feet, and the average of the aft drafts is 61.0 feet. KGL is 51.13 feet. What is the value of LCG?
N a. -0.12 foot N b. 0.12 foot Y c. 2.11 feet N d. 2.35 feet 3649: A man aboard a vessel, signaling by raising and lowering his outstretched arms to each side, is indicating __________.
N a. danger, stay away N b. all is clear, it is safe to pass N c. all is clear, it is safe to approach Y d. a distress signal 3939: You board an inflatable liferaft that has been hand launched from a sinking vessel. What should you do FIRST after everyone is onboard the liferaft?
Y a. Cut the painter. N b. Operate the radio equipment. N c. Open the equipment pack. N d. Ventilate the liferaft of CO2. 4020: The control panel of a fire detection system must have all of the following EXCEPT _____________ .
N a. a power-available light N b. an audible alarm to notify the crew and identify the origin of the fire N c. a means to silence audible alarms while maintaining visible alarm lights Y d. a way to bypass the entire panel if it malfunctions 4139: Rotation of the steering wheel on the navigation bridge initiates oil pressure being applied to the steering gear rams by __________.
N a. regulating the oil flow with the six-way valve N b. moving the automatic differential valve N c. moving the follow up indicator which regulates the six-way valve Y d. varying the angle of a tilting box or eccentricity of a floating ring 4153: 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 draft?
N a. 60 feet 9.6 inches N b. 59 feet 2.7 inches N c. 57 feet 11.5 inches Y d. 56 feet 10.9 inches 4523: The capacity of the COASTAL DRILLER preload tanks is __________.
N a. 21,297.0 kips N b. 11,777.2 kips N c. 9,753.7 kips Y d. 8,708.0 kips 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 5083: When a mobile offshore drilling unit on the waters of the U.S. Outer Continental Shelf has more than one obstruction light, the lights must be operated to flash __________.
Y a. at the same time N b. in sequence at intervals of five seconds N c. in sequence at intervals of ten seconds N d. in sequence at intervals of fifteen seconds 5245: To maintain a high state of readiness against the possibility of damage and subsequent flooding while aboard the DEEP DRILLER, you should __________.
N a. post a watch in the pump room N b. keep tanks no more than half filled Y c. cap sounding tubes except when in use N d. keep bilge pumps operating continuously 5271: The DEEP DRILLER, loaded as shown in Sample Load Form #5 (Survival), suffers major damage which results in flooding in tank C1P. Your best countermeasure is to pump from __________.
N a. 1P Y b. 3P N c. C1P N d. C2P 5701: The vessel motion that can significantly affect mooring line tensions on a MODU is __________.
N a. roll N b. yaw Y c. surge N d. pitch 5923: The relief valve on a fire pump is set at 25 psi above the pressure necessary to maintain required fire streams, or __________.
N a. 50 psi N b. 75 psi Y c. 125 psi N d. 150 psi 5936: The SS AMERICAN MARINER is ready to sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the available GM. ST-0188
N a. Available GM 4.1 ft Y b. Available GM 4.3 ft N c. Available GM 4.7 ft N d. Available GM 5.1 ft 5946: The SS AMERICAN MARINER has drafts of: FWD 25'-11", AFT 26'-11". Use the white pages of the Stability Data Reference Book to determine the drafts if you ballast the forepeak with 83 tons of seawater.
N a. FWD 26'-05.6", AFT 26'-07.5" N b. FWD 26'-06.2", AFT 26'-06.9" Y c. FWD 26'-06.8", AFT 26'-06.3" N d. FWD 26'-07.7", AFT 26'-05.4" 6087: Portable Halon extinguishers used on MODU's may use __________.
N a. HALON 1301 only N b. HALON 22 only Y c. HALON 1211 only N d. HALON 1301 or 1211 6093: On offshore drilling units where foam systems are installed on the heliport, the system must be able to discharge continuously for at least __________.
Y a. 5 minutes N b. 6 minutes N c. 8 minutes N d. 10 minutes 6246: The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?
N a. A fusible link will automatically open after a fire is extinguished and reset the damper. N b. Fusible links must be replaced at every inspection for certification. Y c. Fusible links must be replaced if a damper is activated. N d. Fusible links are tested by applying a source of heat to them. 6307: Using high working tensions in the mooring system reduces the __________.
N a. hook load at drilling depths over 10,000 feet N b. possibility of dragging anchors N c. allowable deck load at operating draft Y d. margin between working tension and breaking strength 6475: The pneumatic containers which store bulk dry mud additives and cement on a MODU are called __________.
N a. mud hoppers N b. bulk bins Y c. P-tanks N d. mud tanks 6793: The person on a MODU who is responsible for maintaining the engineering spaces in a clean and sanitary condition is the __________.
N a. Master, or person in charge Y b. Chief Engineer, or engineer in charge if no chief engineer is required N c. senior mechanic, or mechanic on duty if no senior mechanic designated N d. senior electrician, or electrician on duty if no senior electrician designated 8061: When drilling from a MODU the weight in air of tubular goods on the racks is reduced when run into the drilled hole because of the effect of __________.
N a. drill string compensators N b. formation pressure Y c. buoyancy of the mud N d. vessel motion 9273: After being launched from MODUs, totally enclosed survival craft which have been afloat over a long period require __________.
N a. frequent opening of hatches to permit entry of fresh air Y b. regular checks of bilge levels N c. use of ear plugs to dampen engine noise N d. frequent flushing of the water spray system with fresh water 9281: A floating jack-up with displacement of 15,000 kips has its LCG 106 feet aft of frame zero (AF0). If 200 short tons are loaded at 20 feet AF0 and 400 short tons are loaded 149 feet AF0, what is the new LCG?
N a. 105.5 feet Y b. 106.0 feet N c. 108.3 feet N d. 111.8 feet 9371: Overhauling a fire in the living quarters on a vessel must include __________.
Y a. opening dead spaces to check for heat or fire N b. evacuation of the vessel N c. sounding the "all clear" signal N d. operation of the emergency generator