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.
127: Before welding in a tank that has carried petroleum products, the tank must be certified by __________.
N a. the Coast Guard N b. the American Bureau of Shipping N c. the shipyard fire department Y d. a certified marine chemist 165: Which statement is FALSE regarding Halon as a fire extinguishing agent?
N a. It is more effective than CO2. N b. It leaves no residue. N c. It is noncorrosive. Y d. It is always non-toxic. 186: Fire hose stations shall be marked in red letters and figures such as Fire Station No. "1", "2", "3", etc. The height of the letters and figures must be at least __________.
N a. 1/2 inch N b. 1 inch N c. 1-1/2 inches Y d. 2 inches 194: Which signal given by flashing light changes a statement into a question?
N a. C Y b. RQ N c. N N d. NO 276: For a cargo vessel of 1,000 GT or over, on an international voyage, the required minimum pitot tube pressure from the two highest outlets when two fire pumps are operating simultaneously is approximately __________.
N a. 35 psi Y b. 50 psi N c. 70 psi N d. 100 psi 504: If you wished to transmit a message by voice concerning the safety of navigation, you would preface it by the word __________.
N a. Mayday N b. Pan-pan Y c. Securite N d. Safety 610: The amount of freeboard which a ship possesses has a tremendous effect on its __________.
N a. initial stability N b. free surface N c. permeability Y d. stability at large angles of inclination 683: The purpose of air tanks in a lifeboat is to __________.
N a. make the boat float higher N b. provide a stowage place for provisions N c. add strength to the boat Y d. keep the boat afloat if flooded 693: You are operating a fire hose with an applicator attached. If you put the handle of the nozzle in the vertical position you will __________.
N a. produce high-velocity fog Y b. produce low-velocity fog N c. produce a straight stream N d. shut off the water 944: The lifesaving signal indicating "You are seen - Assistance will be given as soon as possible" is the __________.
N a. vertical motion of white flags N b. vertical motion of a white light or flare N c. firing of a green star signal Y d. None of the above 990: If your vessel will list with equal readiness to either side, the list is most likely caused by __________.
Y a. negative GM N b. off-center weight N c. pocketing of free surface N d. excessive freeboard 1014: Which signal would be used by a shore rescue unit to indicate "Landing here highly dangerous"?
N a. The firing of a white star signal Y b. Horizontal motion with a white flag N c. Vertical motion of a white light N d. Code letter "K" by blinker light 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 1259: When an autopilot is being used aboard small passenger vessels, who must make or supervise the changeover from automatic to manual steering and vice versa?
N a. A licensed state or federal pilot N b. A certified quartermaster Y c. The Master or Mate on watch N d. A qualified Engineer 1479: If your vessel is aground at the bow, it would be preferable that any weight removals be made from the __________.
Y a. bow N b. mid-section N c. stern N d. All of the above 1605: What entry would NOT be shown on the V line of an AMVER report?
N a. MD Y b. MT N c. PA N d. NURSE 1652: An inland oil barge must have equipment available to remove an on-deck oil spill of at least __________.
Y a. one barrel N b. two barrels N c. five barrels N d. ten barrels 1748: In an inert gas system, high pressure alarms are set in the main vapor collection line to cause an audible and visual alarm if the pressure reaches a certain level. What is the percentage of the lowest relief valve setting at which the alarm must sound?
N a. 70% N b. 80% Y c. 90% N d. 95% 1890: Spaces containing batteries require good ventilation because __________.
N a. ventilation avoids CO2 build up N b. ventilation supplies extra oxygen for charging the battery Y c. ventilation avoids flammable gas accumulation N d. less electrolyte is required to maintain the batteries' charge 1979: A documented oceangoing fishing vessel is required to have emergency instructions posted if it __________.
N a. exceeds 49 feet in length N b. is over 25 gross tons Y c. carries more than 16 persons N d. has sleeping accommodations 2065: By regulation, cargo tank atmosphere must be inert before and during which operation?
N a. crude oil washing N b. topping off N c. stripping Y d. All of the above 2123: Your oceangoing vessel has medical waste to be disposed of ashore. How many hours advance notice must you give the port or terminal?
N a. 6 N b. 12 Y c. 24 N d. 48 2133: If a vessel is sagging, which kind of stress is placed on the sheer strake?
Y a. Compression N b. Racking N c. Tension N d. Thrust 2252: According to the Chemical Data Guide, piperylene possesses which characteristic?
N a. Specific Gravity of 0.86 N b. A boiling point of 43°F N c. A Reid vapor pressure of 14 psia Y d. Insoluble in water 2266: Which fire extinguishing agent can NOT be used on an ethylenediamine?
Y a. Water foam N b. Dry chemical powder N c. Water fog N d. Alcohol foam 2314: Cargo tanks on barges fitted with goose neck vents and flame screens are limited to carrying which grade of cargo?
N a. A and below N b. B and below N c. C and below Y d. D and E only 2590: Regulations require that tank vessels handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by __________.
N a. cofferdams N b. empty cargo spaces Y c. gas tight bulkheads N d. areas equipped with power ventilation 2619: The SS AMERICAN MARINER is loaded with the cargo shown. Use the white pages of The Stability Data Reference Book to determine the amount of liquid loading required in the double bottom tanks to meet a one compartment standard. ST-0073
N a. 1171.5 tons N b. 1311.0 tons N c. 1503.0 tons Y d. 1710.5 tons 2638: Marine Safety Information is promulgated via satellite through which system?
N a. AMVER Y b. SafetyNET N c. NAVTEX N d. INMARSAT-M SES 2714: 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 1 hold floods, the vessel will sink if the permeability exceeds what percent?
N a. 63 N b. 66 Y c. 71 N d. 77 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 2776: The lubber's line of a magnetic compass __________.
N a. always shows true north direction Y b. indicates the vessel's heading N c. is always parallel to the vessel's transom N d. is located on the compass card 2829: Aboard small passenger vessels the steering gear, signaling whistle, controls, and communication system shall be tested by the Master __________.
N a. once a week Y b. before getting underway for the day's operation N c. at every inspection and reinspection N d. at least once in every 48 hours 3206: Your tow contains a barge carrying carbon tetrachloride. What is NOT required?
N a. Cargo warning signs on barge N b. Cargo information card on barge N c. Cargo information card in pilothouse Y d. Certificated tankerman on towboat 3270: Which portable fire extinguisher is required just outside the exit of the propulsion machinery space of a 75-ton passenger vessel?
N a. 2-1/2 gallon foam extinguisher Y b. 15 lb. CO2 extinguisher N c. 2 lb. dry chemical extinguisher N d. None of the above 3355: The sea painter of an inflatable liferaft should be __________.
N a. free running on deck N b. faked out next to the case Y c. secured to a permanent object on deck via a weak link N d. stowed near the raft 3356: The tank barge on which you are preparing to load petroleum is required to have on board one B-II fire extinguisher. What does NOT meet this requirement?
N a. 2-1/2 gallon foam Y b. 5 gallon water (stored pressure) N c. 10 pound dry chemical N d. 15 pound CO2 3500: How should the letter "Z" be pronounced when spoken on the radiotelephone?
N a. ZEE BR AH N b. ZEE ZE N c. ZE HE Y d. ZOO LOO 3580: How should the letter "V" be pronounced when spoken on the radiotelephone?
Y a. VIK TAH N b. VIC TO RE N c. VIX TOO RE N d. VEE 3829: Inflatable liferafts shall be serviced at an approved servicing facility every 12 months or not later than the next vessel inspection for certification. However, the total elapsed time between servicing cannot exceed __________.
N a. 12 months N b. 15 months Y c. 17 months N d. 18 months 3933: On the DEEP DRILLER, the drill water pump may be used to supplement the bilge pumps. Its normal pumping rate is __________.
N a. 250 gallons per minute N b. 350 gallons per minute Y c. 500 gallons per minute N d. 700 gallons per minute 3949: When should you first have any food or water after boarding a lifeboat or liferaft?
N a. After 12 hours Y b. After 24 hours N c. Within 48 hours N d. Some food and water should be consumed immediately and then not until 48 hours later 4068: On board an OSV, the key to the most rapid and effective response to a man overboard situation is __________.
N a. switching to hydraulic steering N b. a dedicated crew N c. good equipment Y d. good communication 4222: 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-0157
Y a. 273.5 ft N b. 288.8 ft N c. 292.3 ft N d. 305.3 ft 4311: The COASTAL DRILLER, in transit with winds expected to exceed 70 knots, must lower the legs to 60.5 feet below the hull in order to meet the requirements for stability and __________.
Y a. leg strength N b. variable load N c. environmental load N d. load line 4525: Preload tank 22B on the COASTAL DRILLER contains 5.0 feet of preload. It is decided to complete filling the tank. What is the TCG of the added liquid?
N a. 65.60 feet N b. 65.74 feet N c. 65.77 feet Y d. 65.83 feet 5053: Which shape shown would be displayed by a mobile offshore drilling unit that is being towed more than 200 meters astern of a towing vessel? (DIAGRAM 16 )
N a. A Y b. B N c. C N d. D 5511: When inspecting anchor chain, the American Petroleum Institute recommends checking the length over 5 links every __________.
N a. 10 feet Y b. 100 feet N c. 250 feet N d. 500 feet 6491: How wide must the safety net be that is required on the unprotected perimeter of the helicopter landing deck on a MODU?
N a. 1.0 meter Y b. 1.5 meters N c. 2.0 meters N d. 2.5 meters 6703: The person-in-charge of a mobile offshore drilling unit must be designated by the __________.
N a. Coast Guard N b. Minerals Management Service N c. operator or his agent Y d. owner or his agent 6847: What must the Master or person in charge of a MODU enter in the logbook after conducting a boat drill?
Y a. Which survival craft was used in the drill N b. The number of each lifeboat not lowered during each drill N c. Only the number of each motor propelled lifeboat that is lowered N d. The length of time an oar propelled lifeboat is rowed 7147: What should you do if you have transmitted a distress call a number of times on channel 16 and have received no reply?
Y a. Repeat the message using any other channel on which you might attract attention. N b. Key the microphone several times before transmitting again. N c. Turn up the volume on the receiver before transmitting again. N d. Report the problem to the head electrician. 8421: If an engine shuts down due to high jacket water temperature, what action should be taken?
N a. Open crankcase explosion covers Y b. Allow engine to cool gradually N c. Slowly add cool water to the expansion tank N d. Back flush the cooling water system 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 8927: On the COASTAL DRILLER, placing the rotary 34 feet aft of the transom and two feet to starboard of the centerline, limits the maximum hook load to __________.
N a. 1000 kips Y b. 875 kips N c. 750 kips N d. 450 kips 9087: No outlet on a fire hydrant may point above the horizontal in order to __________.
Y a. avoid kinking the hose N b. avoid personal injury during connection N c. make connecting easier N d. prevent spray on electrical equipment 9153: The two factors which make underwater hull repair of a MODU difficult are accessibility and the __________.
N a. availability of tools N b. shape of the hull Y c. pressure exerted by the water N d. threat of progressive flooding 9282: There is a fire aft aboard your vessel. To help fight the fire, you should put the __________.
N a. wind off either beam N b. stern into the wind and increase speed Y c. bow into the wind and decrease speed N d. stern into the wind and decrease speed 9564: Automatic fire dampers in ventilation systems are operated by use of __________.
N a. remotely operated valves N b. C02 system pressure switches Y c. fusible links N d. heat or smoke detectors 9702: Which of the following is/are NOT required on Ro-Ro vessels, regarding spaces that are "specially suitable for vehicles"?
N a. The spaces shall be fitted with an approved fire or smoke detecting system. Y b. The spaces shall have designated smoking areas. N c. The spaces shall be fitted with an approved fixed fire extinguishing system. N d. All of the above