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.
63: You have abandoned ship and are in an inflatable raft that has just inflated. You hear a continuous hissing coming from a fitting in a buoyancy tube. What is the cause of this?
N a. The saltwater is activating the batteries of the marker lights on the canopy. N b. The inflation pump is in automatic operation to keep the tubes fully inflated. N c. A deflation plug is partially open allowing the escape of CO2. Y d. Excess inflation pressure is bleeding off and should soon stop. 80: What represents the metacentric height? (D001SA )
N a. M Y b. GM N c. BM N d. GZ 178: Bleeding from a vein may be ordinarily controlled by __________.
Y a. applying direct pressure to the wound N b. heavy application of a disinfectant N c. pouring ice water directly onto the wound N d. pinching the wound closed 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 376: Valves on steam-smothering lines to cargo tanks shall be set with __________.
N a. the master control valve shut and valves to individual cargo tanks shut N b. the master control valve open and valves to individual cargo tanks shut Y c. the master control valve shut and valves to individual cargo tanks open N d. all valves open 390: A tank which carries liquid is dangerous to the stability of a vessel when it is __________.
N a. low in the vessel N b. completely empty N c. completely full Y d. slack 416: Under the regulations for cargo vessels, which statement is TRUE concerning fireman's outfits?
N a. If a vessel carries two outfits, they may be stored in the same location. Y b. Each fireman's outfit shall contain a flame safety lamp of an approved type. N c. Each fireman's outfit shall contain a fresh-air breathing apparatus. N d. All of the above 516: Which toxic gas is a product of incomplete combustion, and is often present when a fire burns in a closed compartment?
N a. Carbon dioxide N b. Hydrogen sulfide Y c. Carbon monoxide N d. Nitric oxide 706: The painter on a life float or buoyant apparatus shall __________.
N a. have a minimum breaking strength of 3,000 lbs. if the capacity of the lifesaving gear is 50 persons or greater N b. be resistant to ultraviolet sunlight deterioration N c. be stowed to pay out freely if the vessel sinks Y d. All of the above 710: Buoyancy is a measure of the ship's __________.
Y a. ability to float N b. deadweight N c. freeboard N d. midships strength 1063: Gasoline tank vent lines on board small passenger vessels must be fitted with removable flame screens __________.
N a. and 30 square inches of louvers N b. three inches in diameter with a check valve to prevent water from entering in heavy weather N c. three inches in circumference inside the fill pipe Y d. consisting of a single screen of at least 30 X 30 mesh, corrosion resistant wire 1262: Which portable fire extinguisher is normally recharged in a shore facility?
N a. Dry chemical (cartridge-operated) N b. Water (cartridge-operated) N c. Water (pump tank) Y d. Carbon dioxide 1265: The Master of a small passenger vessel must conduct sufficient drills and give sufficient instruction as necessary __________.
N a. At each crew change N b. Every week N c. Every month Y d. To ensure that all crew members are familiar with their duties during emergencies 1367: Determine the free surface constant for a fuel oil tank 30 ft. long by 40 ft. wide by 15 ft. deep. The specific gravity of the fuel oil is .85 and the ship is floating in saltwater (S.G. 1.026).
N a. .83 N b. 42.7 Y c. 3787 N d. 4571 1379: Which statement about inert gas pressures in a cargo tank is TRUE?
N a. The pressures of the inert gas in the tank may create excessive pressure at the pump while discharging. Y b. Gas pressures should be maintained at the highest permissible level throughout the discharging process. N c. High gas pressures may cause pyrophoric oxidation in the tank. N d. High gas pressures may cause loss of suction when stripping. 1415: You are reading the draft marks in illustration D032DG. The water level forward is at the top of the 8, and the mean water level aft is at the top of the 8. What is the mean draft?
Y a. 8'06" N b. 8'03" N c. 8'00" N d. 7'06" 1634: To prevent the spread of fire by convection you should __________.
Y a. close all openings to the area N b. shut off all electrical power N c. remove combustibles from direct exposure N d. cool the bulkhead around the fire 1700: How often must the impulse-projected line throwing appliance be test fired?
N a. Monthly Y b. At the Master's discretion N c. Semiannually N d. Annually 1810: Halon extinguishes a fire by __________.
Y a. breaking the chain reaction N b. smothering the fire N c. cooling the fire N d. coating the fuel with a nonflammable surface 2092: According to regulations, cargo pumps in tank vessels carrying grade A, B, C, or D liquid cargo, shall be isolated from sources of vapor ignition by __________. (vessel constructed 1970)
N a. cofferdams N b. general cargo spaces N c. passageways or living quarters Y d. gastight bulkheads 2214: Which statement concerning maintenance requirements is FALSE?
N a. Compulsory vessels sailing in Sea Areas A1 and A2 must provide any one of the three maintenance options which are duplication of equipment, shore based or at-sea maintenance capability. N b. Compulsory vessels sailing in Areas A3 and A4 must provide any two of the three maintenance options which are duplication of equipment, shore based or at-sea maintenance capability. Y c. If shore-based maintenance is used, maintenance services do not have to be completed or performance verified unless the vessel will be sailing to a non-US port. N d. Equipment warranties do not satisfy GMDSS maintenance requirements. 2290: In order to calculate the TPI of a vessel, for any given draft, it is necessary to divide the area of the waterplane by __________.
N a. 35 N b. 120 N c. 240 Y d. 420 2357: When may a compulsory vessel not be allowed to leave port?
N a. When the vessel is in an overloaded condition N b. When the vessel has arranged for both duplication of equipment AND shore-based maintenance Y c. When the vessel has replaced a required piece of GMDSS-related equipment but its performance has not been verified or logged N d. When the vessel is carrying only two licensed GMDSS Radio Operators and is capable of performing all required functions. 2502: The international shore connection __________.
N a. permits discharge of waste oil Y b. allows hook up of fire hoses from a dock or another vessel N c. satisfies pollution prevention requirements N d. allows emergency use of the fire main for deballasting 2621: The decks of a MODU are supported by transverse members called __________.
N a. trusses N b. deck longitudinals Y c. deck beams N d. web frames 2928: It is recommended that drip collectors required on all updraft carburetors be drained by __________. (small passenger vessel regulations)
Y a. a device to automatically return all drip to the engine air intakes N b. no means whatsoever N c. a separate pipe leading to the bilges N d. a pump leading to a point outside the hull 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 2932: What is FALSE concerning the use of unicellular plastic foam work vests on small passenger vessels? (small passenger vessel regulations)
Y a. They may be substituted for up to 50% of the required life jackets. 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. 2956: The SS AMERICAN MARINER arrived in port with drafts of: FWD 21'-10.6", AFT 22'-11.6". Cargo was loaded and discharged as shown. Use sheet 2 in the white pages of The Stability Data Reference Book to determine the final drafts. ST-0089
N a. FWD 22'-00.1", AFT 23'-00.1" N b. FWD 21'-11.0", AFT 23'-01.2" Y c. FWD 21'-10.0", AFT 22'-10.0" N d. FWD 21'-08.9", AFT 22'-11.1" 2993: Convection spreads a fire by __________.
N a. the transfer of heat across an unobstructed space N b. burning liquids flowing into another space N c. transmitting the heat of a fire through the ship's metal Y d. heated gases flowing through ventilation systems 3060: A vessel's drafts are: FWD 19'-00", AFT 17'-02". How much more cargo can be loaded to have the vessel down to the freeboard draft? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 5928 tons N b. 6016 tons Y c. 6149 tons N d. 6242 tons 3071: The free surface effects of a partially-full tank in a floating MODU increase with the __________.
Y a. surface area of the fluid in the tank N b. displacement volume of the MODU N c. draft of the MODU N d. height of the tank above the keel 3217: Which of the devices listed will prevent an inflated liferaft from being pulled under by a vessel which sinks in water over 100 feet deep?
N a. The hydrostatic release N b. A shear pin N c. A rottmer release Y d. A weak link in the painter 3383: The DEEP DRILLER, at a mean draft of 45 feet, has a three-foot trim by the stern and a two-foot list to port. What is the draft at the starboard forward draft mark?
Y a. 42.5 feet N b. 44.5 feet N c. 45.5 feet N d. 47.5 feet 3385: A jack-up, 180 feet in length, has the center of flotation at 110 feet aft of frame zero. The draft at the bow is 11.0 feet and the draft at the stern is 13.0 feet. What is the true mean draft?
N a. 11.78 feet N b. 12.00 feet Y c. 12.22 feet N d. 12.78 feet 3436: After launching, an inflatable raft should be kept dry inside by __________.
N a. opening the automatic drain plugs N b. draining the water pockets N c. using the electric bilge pump Y d. using the bailers and cellulose sponge 3437: A jack-up 180 feet in length with the LCF at 120 feet AFO has a draft of 8 feet at the bow and 11 feet at the stern. What is the trim by the stern?
N a. 2.0 feet N b. 2.4 feet Y c. 3.0 feet N d. 6.0 feet 3605: While anchored in 700 feet of water, 3,150 feet of chain is deployed for line #4. Tension on that line is 200 kips. According to the DEEP DRILLER Operating Manual, how much of that chain lies along the bottom?
N a. 1,218 feet Y b. 1,398 feet N c. 1,752 feet N d. 1,844 feet 3770: The abandon ship signal is __________.
N a. a continuous ringing of general alarm bells for at least 10 seconds N b. a continuous ringing of the general alarm, and sounding of the ship's whistle Y c. more than 6 short blasts and 1 long blast of the ship's whistle and the same signal on the general alarm bells N d. a continuous sounding of the ship's whistle 3775: The sounding in fuel oil tank 4P on the DEEP DRILLER is 8.75 feet. What are the transverse moments for this amount of fuel?
Y a. -17,416 ft-long tons N b. -874 ft-long tons N c. 3,992 ft-long tons N d. 17,416 ft-long tons 3809: Provided every effort is used to produce, as well as preserve body moisture content by avoiding perspiration, how long is it normally possible to survive without stored quantities of water?
N a. Up to 3 days Y b. 8 to 14 days N c. 15 to 20 days N d. 25 to 30 days 3904: 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 4147: According to Coast Guard Regulations (46 CFR), which of the following statements is correct regarding the steering gear on a vessel contracted for after June 9, 1995?
N a. Hydraulic structural rudder stops are mandatory. N b. On hydraulic type steering gears, a suitable arrangement of check valves in the main piping system may be considered as a means of steadying the rudder. Y c. A separate auxiliary means of steering is not required where the main gear is of the dual power hydraulic type, having two independent pumps and connections. N d. All of the above. 4317: Curve B in the Design Limits of Legs Chart of the Coastal Driller Operating Manual, shows the operating limits during normal transit based on __________.
Y a. leg strength N b. variable load N c. environmental load N d. load line 5671: When assuming the maximum ice weight accumulation on the DEEP DRILLER at survival draft, the vertical moments are increased by __________.
N a. 40,402 ft-long tons N b. 42,255 ft-long tons Y c. 45,593 ft-long tons N d. 49,280 ft-long tons 6265: During severe storms when survival becomes a major concern, it may become necessary to relieve high anchor tensions on the windward side of the unit by __________.
N a. deballasting the rig N b. ballasting the rig N c. paying out cable on the windward side Y d. paying out cable on the leeward side 6577: According to the regulations for mobile offshore drilling units, "industrial personnel" are considered to be all persons carried on the MODU for the sole purpose of carrying out the industrial business of the unit, except for __________.
N a. the operator's representative Y b. the crew required by the Certificate of Inspection N c. the galley personnel N d. the designated person in charge 6581: If a fixed foam firefighting system on a MODU is not of the premix type, a sample of the foam liquid must be tested by __________.
N a. a Coast Guard inspection officer N b. the safety man aboard the unit N c. the designated person in charge of the unit Y d. the manufacturer or his authorized representative 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 6605: All fire hoses on mobile offshore drilling units must be tested to a pressure of at least __________.
N a. 100 psi Y b. 110 psi N c. 120 psi N d. 130 psi 6617: On offshore drilling units, sleeping spaces for the regular personnel employed on board may not berth more than __________.
N a. two persons N b. three persons Y c. four persons N d. five persons 7035: If a diabetic suffers an insulin reaction and is conscious, he should be given __________.
N a. soda crackers and water Y b. orange juice N c. an ounce of whiskey N d. a glass of milk 7058: Blocking open or removing fire dampers can cause __________.
N a. fixed foam systems to be ineffective N b. faster cooling of the fire N c. the accumulation of explosive gases Y d. the fire to spread through the ventilation system 7121: CO2 cylinders equipped with pressure actuated discharge heads will discharge automatically when __________.
N a. the discharge valve is open N b. the control box glass is broken Y c. pressure from the control cylinders is detected N d. the control cylinders have been completely discharged 8447: Where is thicker plating usually found in the construction of integral tanks on a MODU?
N a. On the outside of the tank Y b. At the bottom of the tank N c. At the top of the tank N d. At the center of the tank 8905: When it is necessary to remove a victim from a life threatening situation, the person giving first aid must __________.
N a. pull the victim by the feet Y b. avoid subjecting the victim to any unnecessary disturbance N c. carry the victim to a location where injuries can be assessed N d. place the victim on a stretcher before attempting removal 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 9187: The external flotation bladder on an immersion suit should be inflated __________.
N a. before you enter the water Y b. after you enter the water N c. after one hour in the water N d. after you notice that your suit is losing buoyancy 9295: A jack-up 210 feet in length is level during transit. The LCF is 140 feet aft of the bow. How much weight should be applied at the bow to level the jack-up if 150 kips are loaded at the transom?
N a. 50 kips Y b. 75 kips N c. 100 kips N d. 200 kips 9705: Which of the following statements is/are FALSE in regard to Ro-Ro vessels' spaces that are "specially suitable for vehicles"?
Y a. The spaces shall NOT be fitted with a flame detecting system. N b. The spaces shall be fitted with an approved fixed CO2 fire extinguishing system. N c. As an alternative to a fixed CO2 system, the Commandant may permit a water sprinkler system. N d. All of the above