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.
57: The minimum concentration of a vapor in air which can form an explosive mixture is called the __________.
N a. auto-ignition point N b. flash point Y c. lower explosive limit (LEL) N d. threshold limit value (TLV) 133: You have abandoned ship and are in charge of a liferaft. How much water per day should you permit each occupant to drink after the first 24 hours?
N a. 1 can Y b. 1 pint N c. 1 quart N d. 1 gallon 168: In all but the most severe cases, bleeding from a wound should be controlled by __________.
Y a. applying direct pressure to the wound N b. submerging the wound in lukewarm water N c. cooling the wound with ice N d. applying a tourniquet 198: A person suffering from possible broken bones and internal injuries should __________.
N a. be assisted in walking around N b. be examined then walked to a bunk Y c. not be moved but made comfortable until medical assistance arrives N d. not be allowed to lie down where injured but moved to a chair or bunk 321: A signal indicating Greenwich mean time would be preceded with __________.
N a. a code hoist to indicate Greenwich mean time to follow N b. the letter G N c. the letters GT Y d. the letter Z 336: Carbon dioxide cylinders which protect machinery spaces, paint lockers and tanks may be located within those spaces when the amount of carbon dioxide does not exceed __________.
N a. 150 lbs Y b. 300 lbs N c. 450 lbs N d. 600 lbs 771: You are approaching another vessel and see that she has the signal flag "F" hoisted. What should you do?
N a. Continue on your present course since the vessel is signaling for a pilot. Y b. Attempt to call the vessel on VHF radiotelephone because she is disabled. N c. Stop your vessel instantly. N d. Change course to keep clear of the vessel because she is maneuvering with difficulty. 962: A carbon dioxide fire extinguisher should be recharged __________.
N a. at least annually Y b. whenever it is below its required weight N c. only if the extinguisher has been used N d. before every safety inspection 989: First-, second-, and third-degree burns are classified according to the __________.
N a. area of the body burned N b. source of heat causing the burn Y c. layers of skin affected N d. size of the burned area 1047: The main advantage of a steady stream of water on a class "A" fire is that it __________.
Y a. breaks up and cools the fire N b. protects the firefighting crew N c. removes the oxygen N d. washes the fire away 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 1153: According to 46 CFR Subchapter T, rigid plastic and other nonmetallic piping materials __________.
N a. may replace metal pipe or tubing in any installation N b. may not be used on inspected vessels Y c. may only be used in non-vital systems N d. are preferable to steel pipe 1213: When a wind force causes a vessel to heel to a static angle, the __________.
N a. centers of buoyancy and gravity are in the same vertical line Y b. righting moment equals the wind-heeling moment N c. center of buoyancy remains the same N d. deck-edge immersion occurs 1227: Which type of portable fire extinguishers is NOT designed for use on flammable liquid fires?
N a. Foam (stored-pressure) Y b. Water (cartridge-operated) N c. Dry chemical N d. Carbon dioxide 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 1343: The SS NORTHLAND is loaded to drafts: FWD 26'-09", AFT 28'-03". The KG is 25.4 feet. Use the salmon pages of the Stability Data Reference Book to determine the angle of list if #6 starboard tank is fully loaded with 1624 tons of salt water ballast (VCG is 36.5 feet off the centerline).
N a. 3.0° Y b. 4.5° N c. 5.0° N d. 6.5° 1522: The pollution prevention regulations in MARPOL apply to U. S. flag vessels __________.
N a. only on the Great Lakes and international waters N b. only on the western rivers and international waters N c. only on international voyages outside U.S. territorial waters Y d. on all international and inland waters 1585: Up to two thirds of a survival crafts required drinking water may be produced by a manually-powered reverse osmosis desalinator if it can be done in __________.
N a. 12 hours N b. 1 day Y c. 2 days N d. 4 days 1608: Cold water, in commercial fishing, means water where the monthly mean low water temperature is normally __________.
N a. 39°Fahrenheit or less N b. 44°Fahrenheit or less N c. 49°Fahrenheit or less Y d. 59°Fahrenheit or less 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% 1925: A construction portfolio prepared for each new offshore drilling unit must be approved by the __________.
N a. American Bureau of Shipping N b. National Cargo Bureau Y c. U.S. Coast Guard N d. Minerals Management Service 1959: You have approximately 34 tons of fish on deck. What will be the shift in the center of gravity after you shift the fish to the fish hold, a vertical distance of 7.5 feet? (total displacement is 638 tons)
N a. 0.1 foot N b. 0.2 foot N c. 0.3 foot Y d. 0.4 foot 1986: Which statement is TRUE?
N a. You need not keep a record of ground garbage dumped into the sea more than 25 miles offshore. Y b. You must keep a record of garbage discharged in port to a shore facility. N c. You need not keep a record of garbage incinerated on the ship. N d. You must keep a record of the approximate weight of the garbage dumped. 2139: Use the material in Section 1, the blue pages, of the Stability Data Reference Book. If the KG is 24.0 feet, and the drafts are: FWD 28'-01", AFT 28'-06"; at what angle will the vessel lose positive stability?
N a. 64° Y b. 71° N c. 77° N d. 82° 2160: You have approximately 29 tons of fish on deck. What will be the shift in the center of gravity after you shift the fish to the fish hold, a vertical distance of 5 feet? (total displacement is 483 tons)
Y a. 0.3 foot N b. 0.4 foot N c. 0.5 foot N d. 0.6 foot 2221: In heavy seas the helmsman should steer the survival craft __________.
Y a. into the seas N b. broadside to the seas N c. in the same direction as the seas N d. in a series of figure-eights 2248: A product is classified at grade B when it has a Reid vapor pressure of __________.
N a. 7 psia and a flash point of 80°F Y b. more than 8 1/2 psia but less than 14 psia and a flash point of 72°F N c. 9 1/2 psia and a flash point of 95°F N d. above 14 psia 2303: The air cylinder bottles in the survival craft should be refilled with __________.
N a. oxygen N b. nitrogen Y c. compressed air N d. nitrogen and oxygen 2388: At sea, all required GMDSS equipment (other than survival craft equipment) must be proven operational by __________.
N a. daily testing Y b. either A or C N c. operational use of the equipment N d. testing at least every 48 hours 2516: When heated to breakdown, tetraethyl or tetramethyl lead compounds emit highly toxic fumes of __________.
N a. hydrogen gas Y b. lead N c. bromide N d. phosgene 2742: A vessel with a small GM will __________.
N a. have a large amplitude of roll Y b. provide a comfortable ride for the crew and passengers N c. have drier decks in heavy weather N d. be likely to have cargo shift in heavy weather 2754: Which lifesaving equipment must be tested monthly?
N a. Inflatable PFD's Y b. EPIRB N c. Hydrostatic releases N d. Dated batteries 2820: The SS AMERICAN MARINER will sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the drafts. ST-0082
N a. FWD 26'-02", AFT 26'-08" Y b. FWD 25'-09", AFT 27'-02" N c. FWD 25'-03", AFT 28'-09" N d. FWD 24'-11", AFT 29'-11" 2868: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 14'-06", AFT 17'-00". After all bunkers are on board, soundings indicate the tonnages shown. Use the white pages of The Stability Data Reference Book to determine the free surface correction. ST-0085
N a. 0.52 foot N b. 0.70 foot Y c. 0.84 foot N d. 1.10 feet 3003: How is the external flotation bladder of an immersion suit inflated?
N a. It is inflated by a small CO2 bottle that is automatically tripped when the front zipper is at the top of the zipper track. N b. It is inflated by a small CO2 bottle that is manually tripped. Y c. It is inflated by blowing through an inflation tube. N d. It inflates by seawater bleeding into the inflation bladder and reacting with a chemical. 3104: An emergency check-off list is required on vessels carrying six or fewer passengers for hire. The list must contain information on all of the following EXCEPT __________. (Uninspected Vessel Regulations)
N a. precautions for rough weather Y b. actions required in the event of accident N c. procedures for man overboard emergencies N d. emergency procedures for fire at sea 3138: Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatch No. 20 while using a single belt loader to arrive at a desired mean keel draft of 29'-06"? (Use the Guidance Manual for Loading M.V. GRAND HAVEN.)
N a. 1550 tons Y b. 2920 tons N c. 3010 tons N d. 3515 tons 3347: The DEEP DRILLER is level at a draft of 60 feet in calm water. What is the value of the righting moment?
N a. 18,118 foot-tons N b. 9,059 foot-tons N c. 4,529 foot-tons Y d. 0 foot-tons 3409: To launch a liferaft by hand, you should __________.
N a. cut the casing bands, throw the raft over the side and it will inflate by itself N b. detach the operating cord, throw the liferaft over the side and it will then inflate N c. cut the casing bands, throw the raft over the side and pull the operating cord Y d. throw the liferaft over the side and pull the operating cord 3495: The SS AMERICAN MARINER arrived in port with drafts of: FWD 17'-10", AFT 19'-06". Cargo was loaded and discharged as indicated. Use sheet 2 in the white pages of the Stability Data Reference Book to determine the final drafts. ST-0134
N a. FWD 16'-10", AFT 21'-02" N b. FWD 17'-00", AFT 21'-00" N c. FWD 17'-02", AFT 20'-10" Y d. FWD 17'-04", AFT 20'-08" 3537: The marine riser on the DEEP DRILLER should be disconnected if it appears the mooring line tensions will exceed 522 kips or the ball joint angle will exceed __________.
N a. 4° N b. 5° N c. 7° Y d. 10° 3710: Which statement is CORRECT with respect to inserting an airway tube?
Y a. Only a trained person should attempt to insert an airway tube. N b. A size 2 airway tube is the correct size for an adult. N c. The airway tube will not damage the victim's throat. N d. Inserting the airway tube will prevent vomiting. 3762: The symptoms of a fractured back are __________.
N a. leg cramps in the muscles in one or both legs N b. pain and uncontrolled jerking of the legs and arms N c. vomiting and involuntary urination or bowel movement Y d. pain at the site of the fracture and possible numbness or paralysis below the injury 3810: If help has not arrived in 10-12 hours after having abandoned an OSV in a survival craft, you should __________.
N a. go in one direction until the fuel runs out N b. plot course for the nearest land N c. take a vote on the direction in which to go Y d. shutdown the engines and put out the sea anchor 3826: You have abandoned ship and are in charge of a liferaft or survival craft. How much water per day should you permit each person to have after the first 24 hours?
N a. 1 can Y b. 1 pint N c. 1 quart N d. 1 gallon 3876: What is NOT a requirement for testing the line throwing appliance on a vessel?
N a. A drill should be conducted every three months. Y b. A regular service line must be used when it's fired. N c. A regular projectile must be used when it's fired. N d. The actual firing is at the discretion of the Master. 4253: What is the maximum weight permitted on the cantilever pipe racks for the COASTAL DRILLER?
N a. 450 kips Y b. 500 kips N c. 750 kips N d. 1000 kips 4265: The rotary of the COASTAL DRILLER is located 36 feet aft of the transom and 6 feet to starboard of the centerline. The hook load is 300 kips. Considering the changes to lightweight shown in the Operating Manual, the maximum amount of setback is __________.
N a. 545 kips N b. 450 kips N c. 245 kips Y d. 224 kips 4625: The order to abandon a MODU should only be given by the __________.
Y a. Offshore Installation Manager N b. Barge Engineer N c. Ballast Control Operator N d. Rig Safety Supervisor 4673: 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 height of the center of gravity corrected for longitudinal free surface effects?
N a. 48.41 feet N b. 49.16 feet Y c. 50.79 feet N d. 51.40 feet 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 5731: Given the same water depth and line tension, the catenary length of a 19 pound/foot wire rope mooring line in comparison to the catenary length of a 90 pound/foot mooring chain will be __________.
N a. shorter Y b. longer N c. identical N d. indeterminable 5824: The vertical distance between G and M is used as a measure of __________.
N a. stability at all angles of inclination Y b. initial stability N c. stability at angles less than the limit of positive stability N d. stability at angles less than the downflooding angle 6707: The immersion suit requirements apply to MODU's operating in all waters above __________.
N a. 20°N and below 25°S N b. 25°N and below 30°S N c. 23°N and below 23°S Y d. 32°N and below 32°S 7431: What time of day would an SSB radio have the longest transmitting range?
N a. Daylight before noon N b. At noon N c. Daylight after noon Y d. During darkness 7687: When displacement increases, the free surface moments of slack tanks __________.
N a. increase N b. decrease N c. are inversely proportional Y d. remain unchanged 8407: If you are unable to stop a diesel engine by any other means, you should __________.
Y a. discharge a CO2 extinguisher in the air inlet N b. pull off the distributor cap N c. secure the jacket water N d. secure the starting air supply valve 8991: The enclosed area defined as the intersection of the surface of the water and the hull of a vessel is the __________.
N a. amidships plane N b. longitudinal reference plane N c. baseline Y d. waterplane 9283: A jack-up with displacement of 10,000 kips has its LCG 100 feet aft of frame zero (AFO). If 200 kips are loaded at 60 feet AFO and 100 kips are discharged from 20 feet AFO, what is the new LCG?
Y a. 100.0 feet N b. 100.4 feet N c. 100.8 feet N d. 101.2 feet 9507: With no environmental forces, the center of gravity of an inclined vessel is vertically aligned with the __________.
N a. longitudinal centerline N b. center of flotation N c. original vertical centerline Y d. center of buoyancy