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.
67: The explosive range of petroleum vapors mixed with air is __________.
N a. 0% to 1% Y b. 1% to 10% N c. 10% to 15% N d. 12% to 20% 73: A liferaft which has inflated bottom-up on the water __________.
Y a. should be righted by standing on the carbon dioxide cylinder, holding the righting straps, and leaning backwards N b. should be righted by standing on the life line, holding the righting straps, and leaning backwards N c. will right itself when the canopy tubes inflate N d. must be cleared of the buoyant equipment before it will right itself 247: During a stability test on a small passenger vessel __________.
N a. the vessel must be moored snugly N b. each tank must be partially full to show it does not leak N c. all dunnage, tools, and extraneous items are secured Y d. water under vessel must be deep enough to prevent grounding 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 543: Aluminum lifeboats are subject to damage by electrolytic corrosion (the aluminum being eaten away). In working around boats of aluminum you must be very careful __________.
N a. to keep the boats covered at all times Y b. not to leave steel or iron tools lying in or near these boats N c. to keep an electric charge on the hull at all times N d. to rinse these boats regularly with salt water 553: Which statement is TRUE concerning lifeboat gripes?
N a. They must be released by freeing a safety shackle. N b. They should not be released until the boat is in lowering position. Y c. They may be adjusted by a turnbuckle. N d. They are normally used only with radial davits. 570: On a vessel of 5,000 tons displacement there are two slack tanks of acid (SG 1.8). Each tank is 30 feet long and 20 feet wide. What is the reduction in metacentric height due to free surface with the vessel in sea water (SG 1.025)?
N a. .11 ft N b. .21 ft Y c. .40 ft N d. .82 ft 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 633: A sweep oar is an oar that is __________.
N a. generally shorter than the others and is used to steer with N b. is longer than the others and is used as the stroke oar N c. is raised in the bow of the boat for the steersman to steer by Y d. longer than the others used for steering 664: Your vessel is in distress and you have made radiotelephone contact with a U.S. Coast Guard vessel. The Coast Guard vessel requests that you give him a long count. This indicates that __________.
N a. your radio transmitter is not working properly N b. the Coast Guard vessel is testing its receiver Y c. the Coast Guard vessel is taking a radio direction finder bearing on your vessel N d. the Coast Guard vessel is requesting your position in latitude and longitude 908: If ignited, which material would be a class B fire?
N a. Magnesium N b. Paper N c. Wood Y d. Diesel Oil 913: On a vessel of 8,000 tons displacement, compute the reduction in metacentric height due to free surface in a hold having free water in the tank tops. The hold is 40 feet long and 20 feet wide. The reduction in metacentric height is __________.
Y a. 0.1 ft N b. 0.3 ft N c. 0.5 ft N d. 0.9 ft 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 1028: Symptoms of heat stroke are __________.
N a. cold and moist skin, high body temperature N b. cold and dry skin, low body temperature N c. hot and moist skin, high body temperature Y d. hot and dry skin, high body temperature 1029: Which vessel(s) is(are) required to comply with the vessel bridge-to-bridge radiotelephone regulations while navigating?
N a. Towing vessel 26 feet in length or greater N b. Passenger vessels of 100 gross tons or greater, carrying one or more passengers for hire N c. Power-driven vessels 20 meters in length or greater Y d. All of the above 1125: What is the best procedure for picking up a lifeboat at sea while utilizing the lifeboat's sea painter?
N a. Place the lifeboat ahead and to windward of your vessel with the wind about broad on the bow of your ship. Y b. Place the lifeboat ahead and to leeward of your ship with the wind about broad on the bow of your ship. N c. Place your ship to windward of the lifeboat with the wind on the quarter to allow your ship to drift down to the lifeboat. N d. Place the lifeboat ahead and to windward of your ship with the wind about broad on the quarter of your ship. 1470: If your vessel has a list to port due to negative GM and off-center weight, the first corrective measure you should take is to __________.
N a. move port-side main-deck cargo to the starboard side Y b. fill the starboard double-bottom N c. pump water from the port double-bottom to the starboard double-bottom N d. pump water from the port double-bottom over the side 1764: After jacking down your liftboat you have an unexpected list. You find that the only cause of this list must be a flooded leg. Raising the flooded leg further would adversely affect the boats stability by __________.
Y a. raising the KG and increasing the draft which may put you in an unsafe operating condition N b. increasing GM and causing a fast roll N c. increasing the righting arm on the high side N d. causing the vessel to yaw when underway 1876: A sailing vessel with the wind coming from 140° relative would be __________.
N a. close hauled on the starboard tack N b. close hauled on the port tack Y c. on a broad reach N d. running before the wind 1977: A stay is __________.
Y a. standing rigging N b. a downhaul N c. a halyard N d. a jib 2109: A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should __________.
Y a. change course and put the stern to the wind N b. remain on course and hold speed N c. change course to put the wind on either beam and increase speed N d. remain on course but slack the speed 2173: Which statement concerning exposure to radiation is TRUE?
N a. The INMARSAT unit's ray dome filters out potentially dangerous UV rays. Y b. Certain INMARSAT systems will automatically transmit when called and can expose an individual to harmful radiation. N c. INMARSAT-A and B antennas are safe because they are omnidirectional. N d. An INMARSAT-C antenna must be carefully avoided because it focuses the transmitter's signal into a fine beam of energy. 2219: Each buoyant work vest must be __________.
Y a. U.S. Coast Guard approved N b. marked with the name of the vessel N c. equipped with a water light N d. All of the above 2230: To check stability, a weight of 40 tons is lifted with the jumbo boom, whose head is 40 feet from the ship's centerline. The clinometer shows a list of 6.5° with the weight suspended. Displacement including weight is 16,000 tons. The GM while in this condition is __________.
N a. 0.21 foot N b. 0.43 foot Y c. 0.88 foot N d. 1.02 feet 2297: Each fire pump on a tankship must have a pressure gauge located at __________.
Y a. the pump discharge N b. the manifold connection N c. each fire station discharge N d. the pump station 2451: The end of the joint with the exterior threads is called the __________.
Y a. pin N b. stem N c. box N d. stand 2509: How many portable fire extinguishers are required in the cargo tank area of an unmanned tank barge during cargo transfer, if the barge has no cargo pumps of her own?
Y a. One N b. Two N c. Three N d. None 2550: According to regulations, how many B-II hand portable fire extinguishers are required in the cargo tank area of an unmanned, cargo pump-equipped tank barge engaged in transferring grade B flammable liquids?
N a. One Y b. Two N c. Three N d. None 2810: Your vessel assumes an angle of loll of 6° after loading a deck cargo. The drafts are: FWD 16'-00", AFT 16'-05". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the negative GM.
N a. -1.0 foot N b. -0.6 foot Y c. -0.1 foot N d. -0.02 foot 2952: Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil?
N a. The loading dock Y b. The midpoint of the barge N c. Within 25 feet of the pump engine N d. Above the forward rake end 3112: An 85 foot uninspected towing vessel with a crew of ten (10) persons on board must carry at LEAST __________. (Uninspected Vessel Regulations)
N a. 10 approved ring life buoys and 10 approved life preservers N b. 10 approved work vests Y c. 10 approved life jackets and 1 approved ring life buoy N d. 11 approved life preservers 3301: A semisubmersible, while floating level, displaces 25,000 long tons. LCG is 2 feet forward of amidships. Bulk, weighing 300 long tons, is placed in P-tanks located 50 feet aft of amidships. What is the new LCG?
N a. 1.43 feet forward of amidships Y b. 1.38 feet forward of amidships N c. 0.62 foot forward of amidships N d. 0.57 foot forward of amidships 3374: What is NOT listed on the metallic name plate required to be attached to hand portable fire extinguishers? (Uninspected Vessel Regulations)
N a. The rated capacity in gallons, quarts, or pounds Y b. The hydrostatic test date of the cylinder N c. The name of the item N d. An identifying mark of the actual manufacturer 3382: A 6,000 BHP, 199 GT tug operating on the Great Lakes is required to carry how many B-II extinguishers? (Uninspected Vessel Regulations)
N a. 2 N b. 3 N c. 6 Y d. 9 3410: How should the letter "I" be pronounced when spoken on the radiotelephone?
N a. IN DEE GO Y b. IN DEE AH N c. I EE N d. I VAN HO 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 3855: Which document will describe lifesaving equipment located aboard your vessel?
N a. Muster List ("Station Bill") Y b. Certificate of Inspection N c. Forecastle Card N d. Clearance Papers 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 3958: If there's a fire aboard your vessel, you should FIRST __________.
N a. notify the Coast Guard N b. have passengers put on life preservers Y c. sound the alarm N d. cut off air supply to the fire 3972: The external recognition light can be seem up to two miles and is shown as item number __________. (D014SA )
N a. 2 N b. 3 Y c. 6 N d. 16 4039: The fire protection regulations for towing vessels require the crew to be trained for fire fighting with drills and safety orientations __________.
N a. only if the vessel is greater than 100 gross tons Y b. always, as stated in the regulations N c. but, only applies to towing vessels constructed after August 27, 2003 N d. however, drills are not required for those holding a fire fighting certificate 4298: What would white exhaust smoke from a diesel engine probably mean?
Y a. Late fuel injection N b. Excess combustion air N c. High compression temperature N d. Excessive lube oil consumption 4583: The COASTAL DRILLER, elevated in 150 feet of water with 0 knots current, 10 foot waves, and wind speeds of 70 knots may continue drilling if the maximum leg reaction is less than __________.
N a. 5,940 kips N b. 6,020 kips Y c. 6,080 kips N d. 6,520 kips 4797: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new TCG if the entire contents of drill water tanks 6 and 7 are discharged?
Y a. -0.23 foot N b. 0.00 foot N c. 0.23 foot N d. 0.54 foot 5493: The American Petroleum Institute recommends that connecting links and anchor shackles be inspected using __________.
N a. visual examinations Y b. magnetic particle inspection N c. dye penetrant inspection N d. x-ray inspection 5791: In storm conditions, with the wind and waves from the port bow of the DEEP DRILLER in 400 feet water depth, the tensions in mooring lines 1 and 2 are 400 kips. Completely slacking the mooring lines 5 and 6 reduces the tension in mooring lines 1 and 2 to about __________.
N a. 375 kips Y b. 330 kips N c. 275 kips N d. 220 kips 5915: What is the most vulnerable part of the fire main system on board an offshore rig?
N a. The fire pump N b. Exposed hard piping N c. The hydrant valve Y d. The fire hose 6308: You are underway at sea when 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 N b. change course to put the wind on either beam and increase speed N c. remain on course but decrease speed Y d. change course and put the stern to the wind 6531: On the cargo manifest, the weight of the cargo inside a box is called the __________.
N a. gross weight Y b. net weight N c. light weight N d. rate weight 6583: When weight-testing a davit-launched liferaft on a mobile offshore drilling unit, the test weight must be equivalent to the weight of the raft, its required equipment, and __________.
N a. 90% of the allowed capacity of persons for the raft Y b. 100% of the allowed capacity of the persons for the raft N c. 110% of the allowed capacity of the persons for the raft N d. 120% of the allowed capacity of the persons for the raft 6742: With an approved combination nozzle, low-velocity fog is produced by __________.
Y a. inserting an applicator in the nozzle N b. putting the handle of the nozzle in the forward position N c. directing a straight stream of water against the ship's structure N d. the combination nozzle only when the water pressure exceeds 125 psi 6745: Fire axes required on MODU's must be stored in the enclosure for fire hoses with the location marked "________".
N a. Fire Axe Location N b. Hose Station No. ____ Y c. Fire Station No. ____ N d. Firefighting Equipment 7335: When making VHF radio calls to nearby stations, what level of transmitting power should you use?
Y a. Low power N b. Medium power N c. High power N d. Extra high power 8305: Since accumulations of H2S gas on a MODU can be dangerous to personnel, it is important to know that H2S gas is __________.
N a. lighter than air Y b. heavier than air N c. a yellow gas that is easily recognized N d. mildly toxic 8332: What type of stern tube bearing has the least friction?
Y a. Oil-lubricated bearings N b. Lignum vitae N c. Hard rubber N d. Bronze bushings 8387: On a MODU, the possibility of a blowout makes which type of diesel engine shutdown desirable?
N a. Overspeed trip Y b. Air inlet shut-off valve N c. Water injector N d. Fuel cutoff valve 8861: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions require ballasting to survival draft. Assume that upon arrival at 45 feet, port and starboard ballast tanks 2 and 9 will be full and that port and starboard ballast tanks 1, 3, and 8 will be slack. What would be the new value of the total longitudinal free surface moments (FSML)?
N a. 69,658 foot-tons Y b. 56,244 foot-tons N c. 42,830 foot-tons N d. 30,168 foot-tons 9091: The outlet at a fire hydrant may be positioned anywhere from horizontal to pointing __________.
N a. 45° upward N b. vertically upward Y c. vertically downward N d. all of the above 9341: Dry chemical extinguishers may be used on what class of fires?
N a. A only N b. B only N c. B and C only Y d. A, B or C as marked on the extinguisher 9382: Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by __________.
Y a. completely closing the compartment N b. closing the compartment except for the ventilators N c. leaving the compartment open to the air N d. increasing the air flow to the compartment by blowers