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.
33: Inflatable liferafts are less maneuverable than lifeboats due to their __________.
N a. shape N b. shallow draft N c. large sail area Y d. All of the above 259: What does NOT affect the value of the free surface correction?
N a. Width of the tank N b. Length of the tank Y c. Registered tonnage N d. Specific gravity of the liquid in the tank 286: On cargo vessels, the discharge of the required quantity of carbon dioxide into any "tight" space shall be completed within __________.
N a. 1 minute Y b. 2 minutes N c. 4 minutes N d. 6 minutes 398: For small, first-degree burns the quickest method to relieve pain is to __________.
Y a. immerse the burn in cold water N b. administer aspirin N c. apply petroleum jelly N d. apply a bandage to exclude air 450: Which type of portable fire extinguisher is best suited for putting out a Class D fire?
N a. Dry chemical N b. CO2 N c. Foam Y d. Dry powder 623: In how many locations must lifeboats be installed on a mobile offshore drilling unit?
N a. 1 Y b. 2 N c. 3 N d. 4 699: What is the minimum length of a life floats paddle on a small passenger vessel?
N a. Three feet Y b. Four feet N c. Five feet N d. Six feet 890: All of the following can be determined by use of a stabilogauge EXCEPT __________.
N a. metacentric height N b. mean draft Y c. moment to trim one inch N d. deadweight 939: CO2 cylinders forming part of a fixed fire extinguishing system must be pressure tested at least every __________.
N a. year N b. 2 years N c. 6 years Y d. 12 years 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 1095: When launching a lifeboat, frapping lines should be rigged __________.
N a. before the gripes are released N b. before the boat is moved from the davits Y c. at the embarkation deck N d. after the boat is in the water 1494: Your vessel has 3 lifeboats on each side. The aftermost boat on the port side is designated as boat number __________.
Y a. 6 N b. 5 N c. 3 N d. 3 PORT 1691: When anchoring a small sailing vessel in rough weather, the best anchor line would be composed of __________.
N a. chain-wire N b. chain-manila Y c. chain-nylon N d. all chain 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% 1825: Each drilling unit equipped with helicopter fuel storage tanks must have the tanks installed as far as practicable from the __________.
Y a. landing area and sources of vapor ignition N b. main deck N c. engine room N d. drill floor 1952: Your vessel displaces 497 tons. The existing deck cargo has a center of gravity of 2.5 feet above the deck and weighs 24 tons. If you load 18 tons of ground tackle with an estimated center of gravity of 18 inches above the deck, what is the final height of the CG of the deck cargo?
N a. 1.86 feet Y b. 2.07 feet N c. 2.35 feet N d. 2.76 feet 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. 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. 2016: Your vessel measures 125 feet long by 17 feet in beam. If the natural rolling period at a draft of 7'-09" is 6 seconds, what is the GM?
N a. 0.95 foot N b. 1.25 feet Y c. 1.55 feet N d. 1.78 feet 2169: The flammable limits of gasoline are 1.3 to 7.6 percent volume of air. You are testing a tank that contained gasoline by using a combustible gas indicator. Under testing, the tank sample caused the needle to move rapidly to 100 on the dial and remain there. What is the concentration of flammable gas?
N a. 0 Y b. 1.3 to 7.6% N c. over 7.6% N d. over 100% 2385: When drilling from a MODU, the conductor casing is landed with its top extending to just __________.
N a. above the sea floor Y b. below the drill floor N c. below sea level N d. below the sea floor 2454: In order to determine the fire and explosion hazard data for naphtha, you would use that information contained in the Chemical Data Guide for which chemical?
N a. Treacle N b. Napthalene N c. Tar camphor Y d. Mineral spirits 2491: The platform that supports the derrickman when tripping pipe is called the __________.
N a. Texas deck N b. water table N c. stabbing board Y d. monkey board 2527: 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-0070
N a. 1171.5 tons N b. 1311.0 tons Y c. 1503.0 tons N d. 1710.5 tons 2531: What is the fundamental purpose for imposing radio silence?
N a. To ensure that interference to proprietary communications is minimized N b. To ensure that only voice communications can be effected on the distress frequency or channel N c. To ensure that a distressed vessel will have a "window" twice each hour for transmitting routine messages Y d. To ensure that interference on a particular frequency or channel to communications concerning emergency traffic is minimized 2841: The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a MODU is the __________.
Y a. air gap N b. freeboard N c. penetration N d. water depth 2921: A MODU is inclined at an angle of loll. In the absence of external forces, the righting arm (GZ) is __________.
N a. positive N b. negative Y c. zero N d. vertical 3008: 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-0095
N a. 280.2 ft N b. 284.1 ft N c. 285.3 ft Y d. 286.2 ft 3018: Each life float on an inspected vessel shall be fitted and equipped with __________. (small passenger vessel regulations)
N a. a lifeline, a painter, and one paddle N b. a lifeline, a painter, and a water light N c. two paddles, a light, and a lifeline Y d. two paddles, a light, a lifeline, a painter and pendants 3110: When a vessel is not in compliance with its Certificate of Inspection, which certificate may be issued to allow its movement to a repair facility? (small passenger vessel regulations)
N a. Change of Employment Y b. Permit to Proceed N c. Application for Inspection N d. Temporary Certificate of Inspection 3172: Your vessel has a gasoline engine and a mechanical exhaust ventilation system. BEFORE starting the engine, the exhaust blower should be run long enough to __________.
N a. warm up the exhaust blower motor N b. provide a proper supply of fresh air for the engine(s) N c. see the system is in good operating condition Y d. insure at least one complete change of air in the compartments concerned 3192: Which statement is FALSE concerning the use of approved buoyant work vests on board uninspected towboats? (Uninspected Vessel Regulations)
Y a. They may be substituted for up to 50% of the required life preservers. N b. They shall be of an approved type. N c. They shall be stowed separately from required lifesaving equipment. N d. They may be worn by crew members when working near or over the water. 3336: Which statement is TRUE concerning gasoline vapors on board a vessel?
Y a. They are heavier than air and will settle in the lowest part of the vessel. N b. They are lighter than air and will settle in the highest part of the vessel. N c. They should be vented into the engine to improve combustion. N d. They should be vented into the wheelhouse. 3632: When using a handheld smoke signal in a liferaft, you should activate the signal __________.
N a. on the upwind side N b. inside the boat N c. at the stern Y d. on the downwind side 3643: Under extremely heavy weather on the DEEP DRILLER, when operating conditions are too severe to permit the drill string from being tripped out of the hole and laid down in the pipe racks, it may be __________.
Y a. hung off N b. placed in the setback N c. supported by the lower marine riser package N d. supported by the tensioners 3731: If the DEEP DRILLER is damaged, the unit is designed to avoid downflooding in wind speeds up to __________.
Y a. 50 knots N b. 70 knots N c. 90 knots N d. 100 knots 3765: When administering first aid you should avoid __________.
N a. any conversation with the patient N b. instructing bystanders Y c. unnecessary haste and appearance of uncertainty N d. touching the patient before washing your hands 3819: If there are a number of survivors in the water after abandoning an OSV and no rescue craft are in sight, they should __________.
N a. tie themselves to the unit to avoid drifting with the current Y b. group to form a small circle of survivors to create a warmer pocket of water in the center of the circle N c. send the strongest swimmer to shore for assistance N d. from a raft by lashing their life jackets together 3918: If your liferaft is to leeward of a fire on the water, you should FIRST __________.
Y a. cut the line to the sea anchor N b. paddle away from the fire N c. splash water over the liferaft to cool it N d. get out of the raft and swim to safety 3981: While loaded as shown in the DEEP DRILLER Sample Load Form #4 (Drilling), all of the liquid mud is dumped. What is the new position of the longitudinal center of buoyancy?
N a. 0.00 feet N b. 1.69 feet N c. 2.25 feet Y d. 2.29 feet 4148: The action necessary to transfer the steering control from the wheelhouse to local control in order to use the steering gear room trick wheel, is to __________.
Y a. align the trick wheel to the rudder angle position N b. set the six-way control valve in the trick wheel position N c. open the power transfer switch before engaging the trick wheel N d. always place the rudder in the midship position to engage the trick wheel 4174: Each EPIRB shall be tested using the integrated test circuit and output indicator every __________.
N a. week N b. two weeks Y c. month N d. quarter 4294: By regulation, you MUST keep a record of the use of your radiotelephone for a minimum of __________.
N a. six months N b. one year Y c. two years N d. thirty months 4622: The SS AMERICAN MARINER has drafts of: FWD 26'-04", AFT 28'-08". Use the white pages of the Stability Data Reference Book to determine the drafts if you ballast the forepeak with 101 tons of seawater.
N a. FWD 27'-00.6, AFT 28'-01.7" Y b. FWD 27'-01.2", AFT 28'-02.5" N c. FWD 27'-01.8", AFT 28'-03.1" N d. FWD 27'-02.4", AFT 28'-03.7" 4778: The SS AMERICAN MARINER has on board 5540 tons of cargo with an LCG-FP of 272.20 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-0169
N a. LCG-FP 266.5 feet Y b. LCG-FP 267.8 feet N c. LCG-FP 268.4 feet N d. LCG-FP 269.2 feet 5314: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 14'-04", AFT 18'-08". 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-0176
N a. 1.05 feet N b. 1.15 feet Y c. 1.25 feet N d. 1.31 feet 5553: The angle between the flukes and the shank of an anchor is called the __________.
N a. holding angle N b. fleet angle Y c. fluke angle N d. shank angle 5713: What pressure must a spring buoy, moored at a 500 foot depth, withstand?
N a. 100 psig N b. 150 psig Y c. 225 psig N d. 300 psig 5855: A mat-type drilling unit tows more slowly than a jack-up unit due to __________.
Y a. the drag of the mat N b. its deeper draft N c. its tubular legs N d. the design of the bow 6245: On board a mobile offshore drilling unit, the key to the most rapid and effective response to a man overboard situation is __________.
Y a. well-conducted drills N b. a dedicated crew N c. good equipment N d. good communication 6496: In a water-tube marine type boiler, after the steam leaves the generating tubes, in what part of the boiler is temperature of the steam increased?
N a. Mud drum Y b. Superheater N c. Economizer N d. Firebox 6619: The SS AMERICAN MARINER has on board 6450 tons of cargo with an LCG-FP of 270.89 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-0194
N a. LCG-FP 267.12 feet N b. LCG-FP 268.48 feet Y c. LCG-FP 270.97 feet N d. LCG-FP 273.06 feet 6687: A MODU must have a self-contained breathing apparatus to be used as protection from gas leaking from a refrigeration unit. To meet this requirement, you may use __________.
N a. a gas mask certified by the Mine Safety and Health Administration Y b. the same self-contained breathing apparatus required with the fireman's outfit N c. an oxygen breathing apparatus, provided that the device has been inspected within three years N d. a portable ventilation system that will provide a complete change of air every three minutes 6867: When must the Master or person in charge of a MODU log the position of load line marks in relation to the surface of the water in the logbook?
N a. Once a day N b. At the change of every watch N c. Only when in fresh or brackish water Y d. Prior to getting underway 8197: If a severe storm threatens the COASTAL DRILLER while elevated as shown in the Sample Load Form #3 (Drilling), the variable loads would have to be reduced by __________.
N a. 3,282.5 kips N b. 2,381.0 kips Y c. 1,000.0 kips N d. 901.5 kips 8517: 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 port leg reaction is __________.
N a. 4,536 kips N b. 4,716 kips N c. 4,824 kips Y d. 4,890 kips 8555: The discharge side of every fire pump must be equipped with a __________.
N a. gate valve Y b. pressure gauge N c. check valve N d. strainer 8711: Starboard ballast pump #1 on the DEEP DRILLER has failed. If you want to deballast from the forward-starboard column using starboard pump #2, it is necessary to open valves __________.
Y a. 3, 34, 35, 36, 46, and 48 N b. 4, 34, 35, 36, 46, and 48 N c. 3, 34, 36, 46, and 48 N d. 4, 34, 36, 46, and 48 8711: Starboard ballast pump #1 on the DEEP DRILLER has failed. If you want to deballast from the forward-starboard column using starboard pump #2, it is necessary to open valves __________.
Y a. 3, 34, 35, 36, 46, and 48 N b. 4, 34, 35, 36, 46, and 48 N c. 3, 34, 36, 46, and 48 N d. 4, 34, 36, 46, and 48 9361: The principal personnel hazard unique to Halon extinguishers is __________.
N a. displacement of oxygen N b. skin irritation Y c. inhaling toxic vapors N d. eye irritation