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.
10: What is the definition of transverse metacenter?
N a. The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stability. Y b. The point to which G may rise and still permit the vessel to possess positive stability. N c. The sum of the center of buoyancy and the center of gravity. N d. The transverse shift of the center of buoyancy as a vessel rolls. 90: Refer to the illustration below. Which represents the righting arm? (D001SA )
N a. GM Y b. GZ N c. BM N d. Angle MGZ 158: A person has suffered a laceration of the arm. Severe bleeding has been controlled by using a sterile dressing and direct pressure. What should you do next?
N a. Apply a tourniquet to prevent the bleeding from restarting. Y b. Apply a pressure bandage over the dressing. N c. Remove any small foreign matter and apply antiseptic. N d. Administer fluids to assist the body in replacing the lost blood. 221: Which statement about the free surface effect is TRUE?
N a. It increases in direct proportion to the length of the tank times the breadth squared. Y b. It decreases at increased angles of heel due to pocketing when a tank is 90% full. N c. It decreases in direct proportion to increasing specific gravity of the liquid in the tank. N d. In practice, the correction is considered to be a virtual reduction of KG. 513: Number 3 lifeboat would be __________.
N a. the forward boat on the starboard side N b. behind boat number 1 on the port side Y c. behind boat number 1 on the starboard side N d. behind boat number 2 on the port side 652: How does foam extinguish an oil fire?
N a. By cooling the oil below the ignition temperature N b. By removing the fuel source from the fire Y c. By excluding the oxygen from the fire N d. By increasing the weight of the oil 743: In order for the automatic lifeboat drain to operate properly __________.
N a. the cap should be removed to drain the boat when it is waterborne Y b. the cage must be free of rubbish or the ball may not seat properly N c. there is an automatic ball check located in a siphon tube N d. the small lever to release the rubber ball float must be turned counterclockwise 788: Fires of which class would most likely occur in the engine room of a vessel?
N a. Classes A and B Y b. Classes B and C N c. Classes C and D N d. Classes A and D 802: A portable dry chemical fire extinguisher discharges by __________.
N a. gravity when the extinguisher is turned upside down Y b. pressure from a small CO2 cartridge on the extinguisher N c. air pressure from the hand pump attached to the extinguisher N d. pressure from the reaction when water is mixed with the chemical 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 957: An engine compartment gasoline fire requires which type of extinguisher?
N a. Carbon dioxide N b. Dry chemical N c. Foam Y d. All of the above 967: Gasoline fuel tanks on small passenger vessels must be installed __________.
Y a. independent of the hull N b. on a level higher than the engine N c. in a cool and insulated place N d. so the fuel line to the engine leads from a shut-off valve at the bottom of the tank 1071: Aboard small passenger vessels, which material may be used for diesel fuel line installations but not for gasoline fuel lines?
N a. Annealed copper tubing N b. Nickel-copper tubing N c. Copper-nickel tubing Y d. Seamless steel pipe or tubing 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 1108: The vapor pressure of a substance __________.
Y a. increases with the temperature N b. decreases as temperature increases N c. is not affected by temperature N d. may increase or decrease as the temperature rises 1145: When hoisting a boat on gravity type davits using an electric motor driven winch, the davit arms should be brought up __________.
N a. to their final position with the winch operating at slow speed N b. to the bar stop, and then hand cranked to their final position Y c. until just before they make contact with the limit switch, and then hand cranked to their final position N d. to the embarkation deck, and then hand cranked to their final position 1296: Hand holds or straps on the underside of an inflatable liferaft are provided __________.
Y a. to right the raft if it capsizes N b. to carry the raft around on deck N c. for crewmen to hang on to N d. to hang the raft for drying 1297: A small passenger vessel of not more than 65 feet in length must have a collision bulkhead if it __________.
N a. operates on exposed waters N b. carries more than 49 passengers N c. is more than 40 feet in length and operates on partially exposed waters Y d. All of the above 1310: Frapping lines are fitted to lifeboat davits to __________.
Y a. reduce the swinging of the lifeboat as it is being lowered from the embarkation level N b. secure the lifeboat in the davits when in the stowed position N c. hold the lifeboat to the ship's side until the tricing lines are passed N d. be used as a safety line in an emergency 1351: While operating off the coast of Greece, a seaman is injured. What indicator should be in the preamble of a radio telegram asking for medical advice from a Greek station?
Y a. RADIO MEDICAL N b. DH MEDICO N c. MEDICO ELLAS N d. MAYDAY 1378: The most effective cooling agent among those normally used to fight fires is __________.
Y a. water fog or spray N b. chemical foam N c. mechanical foam N d. carbon dioxide 1414: What should be used to steer an open lifeboat if the rudder becomes lost or damaged?
N a. Sea anchor Y b. Steering oar N c. Spare rudder N d. Daggerboard 1434: Halon fire extinguishers are NOT effective when used on which types of fires?
N a. Fires in electrical equipment N b. Flammable oils and greases N c. Class "A" fires in ordinary combustibles Y d. Materials containing their own oxygen 1452: First aid means __________.
N a. medical treatment of accident N b. setting of broken bones Y c. emergency treatment at the scene of the injury N d. dosage of medications 1459: Which data is NOT painted on the bow of a lifeboat?
N a. Number of persons allowed N b. Name of the vessel Y c. Weight of the boat N d. Port of registry 1586: The success of an indirect attack on a fire depends on the __________.
N a. size of the fire when initially observed Y b. complete containment of the fire N c. cooling ability of the firefighting agent N d. class of the fire 1807: Which is standing rigging?
N a. Halyards Y b. Stays N c. Sheets N d. Downhauls 1863: On offshore drilling units, each storage battery for emergency lighting and power systems must be tested every six months under actual connected load for a period of at least __________.
N a. 1 hour Y b. 2 hours N c. 3 hours N d. 4 hours 2009: Your vessel measures 114 feet long by 16 feet in beam. If the natural rolling period at a draft of 5'-06" is 6 seconds, what is the GM?
Y a. 1.38 feet N b. 1.53 feet N c. 1.76 feet N d. 1.98 feet 2053: What is the international calling and distress channel found on all VHF-FM equipped drilling rigs?
N a. Channel 1 N b. Channel 10 Y c. Channel 16 N d. Channel 68 2296: Regulations require that cargo pumps in tank vessels carrying grade D liquid cargo shall be isolated from sources of vapor ignition by __________.
N a. cofferdams Y b. gastight bulkheads N c. passageways or living quarters N d. general cargo spaces 2429: A vessel trimmed by the stern has a __________.
N a. list Y b. drag N c. set N d. sheer 2526: 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-0069
N a. Available GM 4.2 ft Y b. Available GM 3.9 ft N c. Available GM 3.7 ft N d. Available GM 3.5 ft 2602: In order to determine the health hazard data for carbolic acid, you would use that information contained in the Chemical Data Guide for which chemical?
N a. Acetic oxide N b. Carbinol N c. Carbon bisulfide Y d. Phenol 2743: Compliance with the terms of the load line certificate on a MODU is the responsibility of the __________.
N a. Ballast Control Operator N b. Barge Supervisor Y c. Master or Offshore Installation Manager N d. operators representative 2923: 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-0088
N a. Available GM 4.01 ft Y b. Available GM 4.16 ft N c. Available GM 4.69 ft N d. Available GM 4.81 ft 3196: What shall be conducted during a fire and boat drill?
Y a. All watertight doors in the vicinity of the drill shall be operated. N b. All lifeboat equipment shall be examined. N c. Fire pumps shall be started and all exterior outlets opened. N d. All of the above 3289: A warship indicates that it wishes to communicate with a merchant ship by hoisting __________.
N a. the merchant ship's identity signal and keeping it hoisted during the entire communication N b. the national ensign of the merchant vessel at the starboard yard N c. the flags MV close up until acknowledged and then lowering them to the dip Y d. the code pennant, and keeping it flying during the entire communication 3493: The longitudinal distance between draft marks for the DEEP DRILLER is __________.
N a. 122'-09" Y b. 164'-00" N c. 260'-00" N d. 260'-05" 3870: Each EPIRB required on an OSV shall be tested using the integrated test circuit and output indicator every __________.
N a. week N b. two weeks Y c. month N d. two months 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. 4061: In the DEEP DRILLER, TCG is obtained from the sum of the transverse moments by __________.
N a. adding the free surface correction N b. subtracting the free surface correction N c. multiplying by displacement Y d. dividing by displacement 4071: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What are the new LM (longitudinal moments) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?
Y a. 5,191 ft-tons N b. 13,414 ft-tons N c. 31,992 ft-tons N d. 69,175 ft-tons 4125: The DEEP DRILLER is observed to be level at a draft of 60.0 feet. At the same time, the calculated load form shows the displacement to be 17,845 long tons, total longitudinal moment 51,466 foot-kips, and total transverse moments -10,000 foot-kips. What is the transverse location of the missing load?
N a. 36.67 feet N b. 0.56 foot N c. -0.55 foot Y d. -36.67 feet 4404: The letter and number symbols, such as B-II, used to classify portable fire extinguishers indicate the __________.
Y a. class of fire and size of the extinguisher N b. class of fire and location aboard vessel N c. extinguishing agent and relative size of the extinguisher N d. extinguishing agent and location aboard vessel 4547: What are the vertical moments for 14.0 feet of drill water in the COASTAL DRILLER's #1 drill water tank?
Y a. 2.455 ft-kips N b. 2.543 ft-kips N c. 2.725 ft-kips N d. 2.997 ft-kips 4647: What is the increase in transverse moments for the Coastal Driller if 2.0 feet of drill water is transferred from a full drill water tank #23 to an empty drill water tank #6?
Y a. 4783 foot-kips N b. 3446 foot-kips N c. 2109 foot-kips N d. 1234 foot-kips 5481: A common means of connecting shots of anchor chain in the field is to use a __________.
N a. sprocket Y b. Kenter link N c. swivel N d. end shackle 5587: What is the primary disadvantage of a permanent chain chaser system?
N a. It requires anchor handling boats with more horsepower. N b. Chain chasers work in shallow water only. Y c. Chain chasers will not work with piggyback anchors. N d. It takes longer to deploy anchors using chain chasers. 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 5897: The type of shackle used in making up tow lines to a MODU should be __________.
N a. screw pin N b. chain N c. anchor Y d. safety 5898: What is the meaning of the signal VJ 8 when sent by the International Code of Signals?
N a. Winds of force 8 are expected. N b. Low clouds cover 8 octants of the sky. N c. You should stop hauling your warps. Y d. A gale is expected from the north. 6213: When patching holes in the hull of a MODU, pillows, bedding, and other soft materials can be used as __________.
N a. caulking Y b. gaskets N c. strongbacks N d. wedges 6245: On board a mobile offshore drilling unit, the key to the most rapid and effective response to a man overboard situation is __________.
Y a. well-conducted drills N b. a dedicated crew N c. good equipment N d. good communication 6663: A branch line valve of a fire extinguishing system on a MODU must be marked with the __________.
N a. maximum pressure allowed at that branch Y b. name of the space or spaces which it serves N c. date of the last maintenance inspection N d. pressure needed to maintain an effective stream at that point 7053: When a patient is suspected of having appendicitis, the pain should be relieved by __________.
Y a. keeping an ice bag over the appendix area N b. giving the patient a laxative N c. giving the patient morphine sulfate N d. giving the patient aspirin with a glass of water 7343: What is maximum power allowed by the FCC for VHF-FM radio transmissions?
N a. One watt N b. Five watts N c. 15 watts Y d. 25 watts 7345: What is the average range of vessel-to-vessel VHF-FM radio communications?
Y a. 15 to 20 miles N b. 60 to 90 miles N c. 90 to 120 miles N d. 120 to 150 miles 7648: Buoyant apparatus are required to be fitted or equipped with all of the following equipment EXCEPT __________. (small passenger vessel regulations)
N a. life lines Y b. paddles N c. water lights N d. painters 9257: The shear rams of a MODU blowout preventer stack are used in emergency well control to __________.
N a. close and seal around the drill pipe N b. close and seal around casing Y c. cut off pipe inside the preventer stack N d. close and seal around drill collars