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.
218: A compound fracture is a fracture in which __________.
N a. more than one bone is broken N b. the same bone is broken in more than one place N c. there is never any internal bleeding Y d. the bone may be visible 410: The effect of free surface on initial stability depends upon __________.
N a. the amount of liquid in the compartment Y b. the dimensions of the liquid surface and the vessel's displacement N c. only the length of the compartment N d. the vertical position of the liquid in the vessel 533: What is the purpose of limber holes?
N a. To allow for air circulation N b. To allow for stress and strain in rough waters N c. To allow water in the boat to drain overboard Y d. To allow water in the bilge to get to the boat drain 645: A tug should not come alongside a tank vessel in way of its cargo tanks while it is loading grade A, B, or C cargo without the permission of the __________.
N a. the cognizant OCMI N b. superintendent of the shoreside facility N c. local fire department Y d. person in charge of the transfer 655: The spread of fire is NOT prevented by __________.
N a. shutting off the oxygen supply N b. cooling surfaces adjacent to the fire N c. removing combustibles from the endangered area Y d. removing smoke and toxic gases by ensuring adequate ventilation 678: Fire may be spread by which means?
N a. Conduction of heat to adjacent surfaces N b. Direct radiation N c. Convection Y d. All of the above 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 792: What is an advantage of a dry chemical extinguisher as compared to a carbon dioxide extinguisher?
N a. It has a greater duration. N b. It provides a heat shield for the operator. N c. It is nontoxic. Y d. It offers lasting, effective protection against burn-back. 941: You are on a supply run to an offshore drilling rig. On board is the cargo listed. What is the height above the main deck of the center of gravity of the cargo? ST-0019
N a. 0.96 foot Y b. 1.45 feet N c. 1.96 feet N d. 2.96 feet 1030: Which vessel(s) is(are) required to comply with the "Vessel Bridge-to-Bridge Radiotelephone Regulations" while navigating?
N a. Towing vessels 25 feet or less in length, engaged in towing operations N b. Passenger vessel 50 gross tons or less, carrying passengers for hire Y c. Dredges engaged in operations likely to restrict navigation of other vessels in or near a channel or fairway N d. An intermittently manned floating plant under the control of a dredge 1217: Which types of portable fire extinguishers are designed for use on electrical fires?
Y a. Dry chemical and carbon dioxide N b. Foam (stored pressure) and soda-acid N c. Carbon dioxide and foam (stored pressure) N d. Dry chemical and soda-acid 1474: In cleaning up an oil spill, straw is an example of a __________.
N a. chemical agent N b. blocker Y c. sorbent N d. None of the above 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 1582: You are off the coast of South Africa, when a seaman is injured. What indicator should be used in a message requesting medical advice from a South African station?
N a. DH MEDICO N b. XXX RADIOMEDICAL N c. MEDRAD Y d. PORT HEALTH 1624: A sail plan, including the vessel's itinerary, name, number, and persons aboard, should be filed with __________.
N a. the FAA N b. the Coast Guard N c. U.S. Customs Y d. a responsible person 1688: Each commercial fishing vessel must have at least one immersion suit, exposure suit, or life preserver for each __________.
Y a. person aboard N b. person working on deck N c. crew member N d. None of the above are correct. 1692: You are preparing for what promises to be a rough ocean passage. Your 120-foot schooner carries a yard on the foremast, about 50 feet above the water. The yard weighs about 1000 pounds. If you take the yard down and stow it on deck for the trip, you will __________.
Y a. increase your vessel's GM N b. decrease the metacentric height N c. give the vessel a gentler roll N d. increase the reserve buoyancy 2190: You have approximately 24 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 8 feet? (total displacement is 540 tons)
N a. 0.14 foot N b. 0.23 foot Y c. 0.36 foot N d. 0.44 foot 2222: Which system is most likely to be affected by atmospheric disturbances?
Y a. MF/HF radiotelephony N b. VHF DSC N c. INMARSAT N d. SafetyNET 2272: According to the Chemical Data Guide, what is NOT a characteristic of allyl chloride?
N a. It has a Reid vapor pressure of 10.3 (psig). N b. It is a clear to strawberry colored liquid. Y c. It has sour odor. N d. It is classified as a grade B poison. 2281: When retrieving the survival craft, the winch operator should stop the winch and check __________.
N a. that all personnel are seated in the craft Y b. that the cable has not jumped any grooves on the drum N c. which way the wind is blowing N d. the hydraulic fluid level before lifting 2425: Every seaman injured on a fishing vessel must report the injury to the Master, individual in charge, or other agent of the employer __________.
N a. before the end of the voyage N b. no later than 24 hours after the vessel docks Y c. no later than 7 days after the injury occurred N d. only if the injury prevents him from working 2446: If a GMDSS radio operator initiates a DSC distress transmission but does not insert a message, what happens?
N a. The transmission is aborted and an alarm sounds to indicate this data must be provided by the operator. N b. The transmission is not initiated and "ERROR" is indicated on the display readout. Y c. The transmission will be made with "default" information provided automatically. N d. The receiving station will poll the DSC unit of the vessel in distress to download the necessary information 2518: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the KG of the liquid load. ST-0067
N a. 4.0 feet N b. 5.6 feet Y c. 6.0 feet N d. 6.8 feet 2615: On a MODU, the keel is the primary strength member of the lower hull form in which direction?
N a. transverse N b. diagonal Y c. longitudinal N d. vertical 2728: Your vessel's drafts are: FWD 14'-00", AFT 14'-08"; and the KG is 25.8 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the remaining righting arm at 30° inclination if the center of gravity is 1.5 feet off the centerline.
Y a. 0.6 foot N b. 1.3 feet N c. 1.9 feet N d. 2.9 feet 2765: The maximum draft to which a drilling unit may be safely loaded is called __________.
N a. mean draft N b. calculated draft N c. deep draft Y d. load line draft 2852: You are fighting a fire in a watertight compartment using hoses and river water. Stability may be reduced because of __________.
N a. progressive downflooding N b. reduction of water in the storage tanks Y c. increase in free surface which reduces the metacentric height N d. reduction of KG to the minimum allowable 2884: The sailing drafts are: FWD 23'-02", AFT 24'-06" and the GM is 2.8 feet. Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the available righting arm at 30° inclination.
N a. 1.3 feet Y b. 2.5 feet N c. 3.2 feet N d. 3.7 feet 2930: You have loaded a deck cargo, and the vessel has assumed a 5° list due to negative GM. Your salt water drafts are: FWD 16'-10", AFT 16'-08". If you then load 1225 tons of cargo in the lower hold (VCG 12 feet) and 875 tons of cargo in the lower 'tween decks (VCG 24 feet), what is the final GM? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 0.0 feet Y b. 0.8 foot N c. 1.2 feet N d. 1.9 feet 2933: Movement of liquid in a tank when a drilling barge inclines causes an increase in __________.
N a. righting arm N b. metacentric height N c. height of the uncorrected KG Y d. natural rolling period 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 2992: A 98 GT uninspected towing vessel with a 1500 B.H.P. engine capability would be required to carry how many type B-II hand portable fire extinguishers on board? (Uninspected Vessel Regulations)
N a. 2 Y b. 4 N c. 6 N d. 8 3052: Which statement is TRUE concerning work vests on a small passenger vessel?
N a. They may be worn during drills N b. They may be substituted for up to 10% of the required life jackets on board N c. They need not be an approved type Y d. They must be stowed separately from approved life jackets 3054: Your sailing drafts are: FWD 22'-04", AFT 23'-06" and the GM is 3.2 feet. What will be the angle of list if #3 starboard double bottom (capacity 97 tons, VCG 2.5 feet and 23 feet off the centerline) is filled with saltwater? (Use the data in Section 1, the blue pages, of the Stability Data Reference Book)
N a. Less than 1° Y b. 3° N c. 7° N d. 11° 3298: Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatches 2, 6, & 10, while using a single belt loader, to arrive at a desired mean keel draft of 27'-07"? (use the Guidance Manual for Loading M.V. GRAND HAVEN)
N a. 510 tons per hatch Y b. 530 tons per hatch N c. 590 tons per hatch N d. 610 tons per hatch 3321: A semisubmersible displacing 18,000 long tons has an LCG 2 feet forward of amidships. Bulk, weighing 400 long tons, is discharged from P-tanks located 50.8 feet aft of amidships. What is the new LCG?
N a. 0.8 foot forward of amidships N b. 1.20 feet forward of amidships N c. 3.11 feet forward of amidships Y d. 3.20 feet forward of amidships 3324: How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?
N a. With gooseneck vents N b. With warning signs Y c. With flame screens N d. With pressure-vacuum relief valves 3415: A vessel has a strong wind on the port beam. This has the same affect on stability as __________.
Y a. weight that is off-center to starboard N b. increasing the draft N c. reducing the freeboard N d. increasing the trim 3804: All OSV personnel should be familiar with survival craft __________.
Y a. boarding and operating procedures N b. maintenance schedule N c. navigational systems N d. fuel consumption rates 3909: Which statement is TRUE concerning the testing of the line-throwing appliance?
N a. It shall be fired at least once in every three months. Y b. A drill in its use shall be held once in every 3 months. N c. Drills shall be held quarterly and it shall be fired annually. N d. No drills are required. 3982: In the illustration shown, the external lifelines are shown as item number __________. (D014SA )
N a. 1 N b. 12 Y c. 17 N d. 19 4092: On which route is a towing vessel over 39.4 feet in length NOT required to carry an echo-sounding device?
N a. Great Lakes N b. Inland Waters, other than the Western Rivers Y c. Western Rivers N d. Coastwise Routes 4402: The SS AMERICAN MARINER has on board 6584 tons of cargo with an LCG-FP of 277.84 feet. See the distribution of the cargo to be loaded. Use the white pages of The Stability Data Reference Book to determine the final LCG-FP of the cargo. ST-0161
N a. LCG-FP 271.2 feet N b. LCG-FP 272.1 feet N c. LCG-FP 273.6 feet Y d. LCG-FP 274.6 feet 4541: What is the weight in drill water tank #1 for the COASTAL DRILLER, if the sounding in the tank is 8 feet 2 inches?
N a. 202.16 kips Y b. 204.60 kips N c. 206.87 kips N d. 209.34 kips 4611: On the COASTAL DRILLER, the level of water in each of two pump bilge pits is monitored by __________.
N a. visual sight gages N b. low and high level alarms Y c. hydrostatic alarm switches N d. OSS units (overflow sequence selector units) 4716: What is the purpose of tricing pendants?
N a. They have the same function as frapping lines. N b. They are safety lines for personnel inside the lifeboat. N c. They slow the descent of the lifeboat. Y d. They hold the lifeboat alongside the embarkation deck. 4745: While loaded as shown in the COASTAL DRILLER sample load form #3 (drilling), all of the casing is discharged. What is the change in LCG?
N a. 1.98 feet forward N b. 1.95 feet forward Y c. 0.02 foot forward N d. 0.02 foot aft 5057: A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started?
N a. When the towing vessel enters the fog N b. When the drilling rig enters the fog N c. When the towing vessel can no longer be seen from the rig Y d. Immediately 5381: While preparing for a storm when elevated, the total weight of the COASTAL DRILLER is 14,150 kips, LM are 1,712,150 ft-kips, and TM are -9,905 ft-kips. The bow leg reaction is __________.
Y a. 4,536 kips N b. 4,716 kips N c. 4,748 kips N d. 4,866 kips 5413: The COASTAL DRILLER is loaded as shown in the Sample Load Form #2 (Preload). What would be the TCG if the preload is dumped and the cantilever and drill floor are skidded aft, placing the rotary 34 feet aft of the transom, and the drill floor is skidded 8 feet to port?
N a. -0.52 foot Y b. -0.33 foot N c. -0.17 foot N d. 0.52 foot 5911: What information must be entered on the MODU's muster list?
N a. Names of all crew members N b. Use and application of special equipment N c. Listing of approved emergency equipment Y d. Duties and station of each person during emergencies 6065: A fire pump on a MODU requires 175 psi discharge pressure to maintain the required 50 psi pitot tube pressure at the two highest hydrants. The maximum setting for the relief valve is __________.
N a. 125 psi N b. 175 psi Y c. 200 psi N d. 225 psi 6401: Why must the drilled hole be filled with drilling mud when tripping the drill string out of the hole?
N a. To maintain circulation to the mud pits N b. To compensate for MODU heave N c. To keep the mud agitated Y d. To prevent reduction of fluid head on the formations 6455: Most drill ships and barges have a walled opening below the derrick, open to the water's surface and through which various drilling tools can pass down to the sea floor called a __________.
Y a. moon pool N b. spider deck opening N c. pontoon N d. keyway 6761: Each distress signal and self-activated smoke signal must be replaced not later than the marked date of expiration, or, from the date of manufacture, not later than __________.
N a. 6 months N b. 12 months N c. 24 months Y d. 42 months 7321: The reception of weak radio signals may be improved by "opening up" the squelch control. What is the normal setting of the squelch control?
Y a. Just past the point where background noise is cut off N b. Completely closed with the volume at the highest level N c. Completely open with the volume at the lowest level N d. None of the above 8871: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions make it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. If the added ballast has an average VCG of 9.03 feet, what is the new KG?
N a. 54.76 feet N b. 55.76 feet Y c. 57.22 feet N d. 57.76 feet 9267: Lifeboat winches on a MODU are required to be inspected and an entry made in the logbook. What should this entry include?
N a. The time required to lower a lifeboat N b. The time required to raise a lifeboat Y c. The date of inspection and condition of the winch N d. All of the above 9445: The difference between the height of the metacenter and the height of the center of gravity is known as the __________.
Y a. metacentric height N b. height of the righting arm N c. fore and aft perpendicular N d. height of the center of buoyancy