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.
301: Which factor has the greatest effect on the value of the free surface correction?
Y a. The width of the tank N b. The length of the tank N c. The draft of the vessel N d. The specific gravity of the liquid in the tank 457: According to the "Vessel Bridge-to-Bridge Radiotelephone Act", your radiotelephone log must contain __________.
N a. a record of all routine calls N b. a record of your transmissions only N c. the home address of the vessel's Master or owner Y d. a summary of all distress calls and messages 877: A marine chemist issues gas free certificates and is certified by the __________.
N a. Mine Safety Appliance Association N b. American Chemical Society N c. Marine Chemists Association Y d. National Fire Protection Association 927: The extinguishing agent most effective for combating wood fires is __________.
Y a. water N b. carbon dioxide N c. foam N d. dry chemical 1085: When lowering lifeboats in heavy seas, a good practice is to rig frapping lines __________.
N a. on only the forward falls N b. on only the after falls Y c. with a lead of about 45 degrees to the boat N d. from the falls to the main deck of the vessel 1105: In launching a lifeboat, when should the tricing pendants be released?
N a. Before the boat is lowered from the stowage position N b. As soon as the boat-fall blocks clear the davit head N c. After the limit switch is activated Y d. After all people have been embarked 1162: Which instrument is suitable for determining the presence of explosive concentrations of fuel oil vapors in tanks?
N a. A flame safety lamp Y b. A combustible gas indicator N c. A liquid cargo meter N d. All of the above 1228: When approaching a fire from leeward, you should shield firefighters from the fire by using __________.
N a. low-velocity fog Y b. high-velocity fog N c. a straight stream of water N d. foam spray 1245: The Master of a small passenger vessel fitted with loading doors must ensure that the doors are closed, watertight and secured __________.
Y a. at all times when underway unless operating on protected or partially protected waters N b. when leaving the dock N c. when loading cargo N d. at all times, at the dock or underway when the loading door is not actually being used for passage 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 1341: Persons who have swallowed a non-petroleum based poison are given large quantities of warm soapy water or warm salt water to __________.
Y a. induce vomiting N b. absorb the poison from the blood N c. neutralize the poison in the blood N d. increase the digestive process and eliminate the poison 1483: The SS AMERICAN MARINER is partially loaded with a GM of 3.1 feet and drafts of: FWD 19'-06", AFT 21'-04". Use the white pages of the Stability Data Reference Book to determine what tank(s) you should ballast to increase the GM to 3.7 feet.
N a. Tanks: DT1 Y b. Tanks: DB3, DT8 N c. Tanks: DB2, DB7 N d. Tanks: DB5 1571: A Halon 1301 cylinder is periodically tested for weight loss and pressure loss. It must be recharged if it has lost more than what minimum percentage of its weight?
N a. 3% Y b. 5% N c. 10% N d. 15% 1787: Which GMDSS control selection may result in limited receiving range?
N a. Setting the squelch control to its minimum level N b. The power switch is set to the "high" output position resulting in receiver over loading Y c. Setting the squelch control to its maximum level N d. Setting the channel selection switch midway between channels 6 and 16 1792: For GMDSS, which statement concerning a compulsory vessel is FALSE?
N a. A conditional or partial exemption may be granted, in exceptional circumstances, for a single voyage outside the sea area for which the vessel is equipped. Y b. Once a compulsory vessel's GMDSS station has been fitted and inspected, the station must be inspected only once every five years. N c. All passenger vessels regardless of size and all cargo vessels that are 300 Gross Tons or larger must comply. N d. Compulsory vessels must carry at least two licensed GMDSS Radio Operators for Distress and Safety radio-communications purpose.. 1968: Which categories of NAVTEX messages may not be selectively rejected through receiver programming?
N a. Navigational warnings N b. Weather warnings N c. SAR information Y d. All of the above 2012: What is the primary purpose for Digital Selective Calling (DSC)?
N a. DSC provides reception of weather and navigational warnings plus search and rescue information. N b. DSC provides low-cost, routine communications for the vessel operator. Y c. DSC is to be used for transmitting and receiving distress alerts to and from other ships or coast radio stations via radio. N d. This aids SAR authorities in tracking a vessel's position by satellite. 2153: On offshore drilling units each ring life buoy must be marked, in a contrasting color, with the unit's __________.
Y a. name and port of registry N b. owner and port of registry N c. port of registry and identification number N d. name and owner 2256: 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-0054
N a. Available GM 6.8 ft N b. Available GM 5.4 ft N c. Available GM 4.1 ft Y d. Available GM 3.6 ft 2285: When retrieving the survival craft, the helmsman should instruct the crewman to __________.
N a. check the fuel level N b. open the doors N c. take the life preservers off Y d. check that hooks are fully locked in place 2345: During an annual FCC inspection __________.
N a. all required documents and publications may have to be produced N b. licensed GMDSS radio operators may be required to demonstrate equipment competencies N c. all required equipment must be fully operational Y d. All of the above 2861: What is the minimum number of portable fire extinguishers required on board a 45-foot towing vessel having a fixed fire system on board? (Uninspected Vessel Regulations)
N a. 1 B-I Y b. 2 B-I N c. 3 B-I N d. 4 B-I 3007: A floating MODU with an initial negative metacentric height __________.
N a. will capsize N b. will incline further Y c. may lie at an angle of loll N d. may be initially level 3158: Electric generators can be protected against overload __________.
N a. with switches N b. with a governor on the engine Y c. with fuses or circuit breakers N d. by using heavy wire 3371: The DEEP DRILLER at a draft of 60.0 feet discharges 68.94 long tons of ballast. What is the new draft?
N a. 66.0 feet N b. 60.5 feet Y c. 59.5 feet N d. 55.0 feet 3378: Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatch No. 1 while using a single belt loader to arrive at a desired mean keel draft of 29'-11"? (use the Guidance Manual for Loading M.V. GRAND HAVEN)
Y a. 2230 tons N b. 2270 tons N c. 2310 tons N d. 2350 tons 3381: The DEEP DRILLER, at a mean draft of 60 feet, has a two-foot trim by the head and a three foot list to starboard. What is the draft at the port aft draft mark?
Y a. 57.5 feet N b. 59.5 feet N c. 60.5 feet N d. 62.5 feet 3483: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 Drill Water Tanks are discharged, what is the new transverse free surface correction?
N a. 1.77 feet Y b. 1.67 feet N c. 1.56 feet N d. 1.45 feet 3556: The normal equipment of every rescue boat shall include __________.
Y a. compass N b. one 50 meter line N c. one can opener N d. All of the above 3596: The light on a life jacket must be replaced __________.
N a. when the power source is replaced N b. each year after installation N c. every six months Y d. when it is no longer serviceable 3612: Your vessel's existing draft is FWD 14'-00", AFT 16'-00". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 350 long tons are discharged from No. 13 hatch.
N a. FWD 13'-03 5/8", AFT 15'-03 1/8" N b. FWD 13'-04 3/4", AFT 15'-03 1/4" N c. FWD 13'-05 1/5", AFT 15'-04 3/5" Y d. FWD 13'-08 4/5", AFT 15'-08 4/5" 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 3670: On a passenger vessel with stateroom accommodations, which space would NOT be required to be checked by the patrol between 10 pm and 6 am?
N a. galley N b. public spaces with an automatic fire detection system Y c. pilothouse N d. weather decks 3745: In reviving a person who has been overcome by gas fumes, what would you AVOID doing?
Y a. Giving stimulants N b. Prompt removal of the patient from the suffocating atmosphere N c. Applying artificial respiration and massage N d. Keeping the patient warm and comfortable 3851: On the DEEP DRILLER, among the valves to open when transferring ballast from Tank 10P to Tank 1S using the #2 ballast pump is valve __________.
N a. 33 Starboard Y b. 36 Starboard N c. 33 Port N d. 36 Port 3905: On the DEEP DRILLER, when using the starboard #2 ballast pump to provide water to the main deck from the sea, it is necessary to open valves __________.
Y a. 37, 35, 36, 45 N b. 37, 36, 46, 47 N c. 38, 47 N d. 38, 47, 45, 46 3936: After abandoning ship which action should be taken IMMEDIATELY upon entering a liferaft?
N a. Open equipment pack. N b. Issue anti-seasickness medicine. Y c. Get clear of the ship. N d. Dry the liferaft floor and inflate. 4051: The DEEP DRILLER, loaded as shown in the Sample Load Form #4 (Drilling), discharges a non-liquid load of 275.8 long tons from a position 130 feet above the keel, 40 feet forward of amidships, and 30 feet to port of the centerline. What is the resulting list angle?
N a. 2.11 degrees to port N b. 1.43 degrees to starboard Y c. 2.87 degrees to starboard N d. 3.02 degrees to starboard 4053: The DEEP DRILLER, loaded as shown in the Sample Load Form #4 (Drilling), discharges a non-liquid load of 275.8 long tons from a position 130 feet above the keel, 40 feet forward of amidships, and 30 feet to port of the centerline. What is the resulting trim angle?
N a. 3.49 degrees to the stern N b. 4.69 degrees to the stern Y c. 5.18 degrees to the stern N d. 5.68 degrees to the stern 4054: Which navigational equipment is required to be tested and logged before a towing vessel embarks on a voyage of more than 24 hours?
N a. Compass and/or swing meter N b. Radar(s) and VHF radio(s) N c. LORAN-C and/or GPS receiver(s) Y d. All required navigational equipment, without exception 4155: The DEEP DRILLER is loaded as shown in the sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #4 (see table 8) is dumped, what would be the new uncorrected height of the center of gravity?
N a. 50.72 feet N b. 51.25 feet Y c. 51.87 feet N d. 53.22 feet 4266: Which statement about immersion suits is TRUE?
Y a. The suit must, without assistance, turn an unconscious person's mouth clear of the water within 5 seconds. N b. The immersion suit seals in body heat and provides protection against hypothermia for weeks. N c. The suit will still be serviceable after a brief (2-6 minutes) exposure to flame and burning. N d. The collar must be inflated before abandoning ship. 4513: When the COASTAL DRILLER is level at a draft of 10.5 feet, what is the value of the LCG?
N a. 00.0 feet N b. 111.35 feet Y c. 119.44 feet N d. 120.59 feet 4807: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new transverse free surface correction (FSCT) if the entire contents of drill water tanks 6 and 7 are discharged?
N a. 2.24 feet N b. 2.14 feet N c. 2.10 feet Y d. 1.67 feet 5232: Fusible-link fire dampers are operated by __________.
N a. a mechanical arm outside the vent duct N b. electrical controls on the bridge Y c. the heat of a fire melting the link N d. a break-glass and pull-cable system 5503: What are the two main types of stud link chain?
N a. Oil Rig chain and Oil Field Stud Link chain Y b. Flash-butt welded chain and Di-Lok chain N c. Flash-butt welded chain and Oil Rig chain N d. Oil Field Stud Link chain and Flash-butt welded chain 6107: The preferred agent used in fighting a helicopter crash fire on a MODU is __________.
N a. CO2 N b. dry chemical N c. water Y d. foam 6515: While off-loading from an offshore supply vessel with the crane, the wind increases in strength and changes direction significantly, you should __________.
N a. expedite off-loading N b. stop off-loading, but keep the offshore supply vessel in the present location N c. continue off-loading with no changes Y d. move the offshore supply vessel to the downwind side 7685: The free surface corrections depend upon the dimensions of the surface of the free liquids and the __________.
N a. volume of liquid in the tank Y b. displacement of the MODU N c. location of the tank in the MODU N d. height of the center of gravity of the MODU 7725: Reserve buoyancy is the __________.
N a. unoccupied space below the waterline Y b. volume of intact space above the waterline N c. excess of the buoyant force over the gravity force N d. difference in the buoyant force in salt and fresh waters 8477: You are on a semisubmersible being towed and are concerned that a fishing vessel is not taking sufficient action to avoid you. To signal your concern, you should __________.
N a. fire a red flare at 15 second intervals N b. fire a green flare at 15 second intervals Y c. sound five or more short blasts on the whistle N d. broadcast a Mayday message on the radiotelephone 8651: While the DEEP DRILLER is loaded as shown in Sample Form #4 (Drilling), casing is accidentally dropped over the port side. Because the sounding level and port aft inclination are slowly increasing, you decide that tank 10P has minor damage. Among the possible corrective actions is __________.
Y a. deballast from tank 9P N b. dump the mud N c. counterflood into 2S N d. counterflood into 10P 8655: While the DEEP DRILLER is loaded as shown in Sample Form #4 (Drilling), casing is accidentally dropped on the starboard side. Because the sounding level and starboard aft inclination are slowly increasing, you decide that tank 10S has minor damage. Among the possible corrective actions is __________.
N a. deballast from tank 9P N b. dump the mud N c. counterflood into 2P Y d. place a wooden plug into the vent of tank 10S 8885: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). If the maximum permissible deck load were placed aboard at a VCG of 130 feet, what would be the new draft?
Y a. 19 feet 9 inches N b. 20 feet 4 inches N c. 20 feet 8 inches N d. 21 feet 4 inches 9155: In plugging submerged holes on a MODU, rags, wedges, and other materials should be used in conjunction with plugs to __________.
N a. reduce the water pressure on the hull Y b. reduce the water leaking around the plugs N c. prevent progressive flooding N d. reduce the possibility of stress fractures 9245: The object of plugging holes below the waterline on a MODU should be to __________.
N a. eliminate all water entering the hole N b. only plug holes in machinery or other vital spaces Y c. reduce the entry of water as much as possible N d. plug the largest holes first 9331: Paints and solvents on a vessel should be __________.
N a. stored safely at the work site until work is completed Y b. returned to the paint locker after each use N c. covered at all times to protect from ignition sources N d. stored in a suitable gear locker 9465: When inclined to an angle of list, the value of the righting arm is __________.
N a. negative Y b. zero N c. positive N d. maximum 9565: The LCG of a vessel may be found by dividing displacement into the __________.
N a. longitudinal center of gravity of the vessel N b. sum of the vertical moments of the vessel Y c. sum of the longitudinal moments of the vessel N d. longitudinal baseline of the vessel 9652: When pilot cylinder pressure is used as a means to release the CO2 from a fixed fire extinguishing system consisting of four storage cylinders, the number of pilot cylinders shall be at least __________.
N a. 1 Y b. 2 N c. 3 N d. 4