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.
176: On tank vessels, fully charged fire extinguishers are considered semi-portable when they have a gross weight of more than __________.
Y a. 55 pounds N b. 75 pounds N c. 95 pounds N d. 125 pounds 324: The national distress, safety, and calling frequency is channel __________.
N a. 13 Y b. 16 N c. 18 N d. 22 362: Water fog from an all-purpose nozzle may be used to __________.
N a. fight an electrical fire N b. fight a magnesium fire Y c. eliminate smoke from a compartment N d. All of the above 394: If you are transmitting a distress message by radiotelephone you should __________.
Y a. use English language N b. always use the International Code N c. preface it by the word "Interco" N d. follow the transmission with the radio alarm signal 529: You are ordering ship's stores. Which statement is TRUE?
Y a. Up to five gallons of a flammable liquid may be stowed in the engine room. N b. All stores of line, rags, linens and other similar type stores must be certified by UL as being fire retardant. N c. Cylinders containing compressed gasses must be constructed and tested in accordance with the Bureau of Standards. N d. All distress flares when received must be stored in the portable magazine chest. 802: A portable dry chemical fire extinguisher discharges by __________.
N a. gravity when the extinguisher is turned upside down Y b. pressure from a small CO2 cartridge on the extinguisher N c. air pressure from the hand pump attached to the extinguisher N d. pressure from the reaction when water is mixed with the chemical 1005: Which signal should be used to send the group "Distance 750 nautical miles"?
N a. D750 N b. D750N Y c. R750 N d. R750N 1119: A fill pipe for a gasoline tank on board a small passenger vessel must be __________.
N a. arranged so neither liquid gasoline nor its vapors can overflow or escape inside the vessel N b. terminated on the weather deck and extend to within one-half of its diameter from the bottom of the tank N c. fitted with a suitably marked watertight deck plate or screw cap Y d. All of the above 1178: The lowest temperature required to cause self-sustained combustion of a substance independent of any outside source of ignition is called __________.
N a. explosive range N b. flash point Y c. ignition temperature N d. combustion temperature 1205: On board small passenger vessels, storage batteries containing an electrolyte must be set in trays constructed of __________.
N a. a fireproof material Y b. a material resistant to damage by the electrolyte N c. a porous material that permits drainage of any acid overflow N d. suitably strong to hold the weight of the batteries 1402: When using carbon dioxide to fight a fire on a bulkhead, the CO2 should be applied __________.
Y a. first to the bottom of the flaming area, sweeping from side to side, and following the flames upward N b. in a circular motion from the middle of the bulkhead outward N c. to the top of the flaming area, sweeping from side to side, and working toward the bottom N d. in an up-and-down motion from one side of the bulkhead to the other 1434: Halon fire extinguishers are NOT effective when used on which types of fires?
N a. Fires in electrical equipment N b. Flammable oils and greases N c. Class "A" fires in ordinary combustibles Y d. Materials containing their own oxygen 1556: Which fire extinguishing agent has the greatest capacity for absorbing heat?
Y a. Water N b. Foam N c. Dry chemical N d. Carbon Dioxide 1584: 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 1610: An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in __________.
Y a. a mattress N b. spilled liquids such as oil or paint N c. high voltage electrical gear N d. a trash can 1652: An inland oil barge must have equipment available to remove an on-deck oil spill of at least __________.
Y a. one barrel N b. two barrels N c. five barrels N d. ten barrels 1706: The major lift-producing part of a sail is the __________.
Y a. leading edge N b. trailing edge N c. head N d. foil 1826: Your vessel displaces 747 tons and measures 136'L by 34'B. You ship a large wave on the after deck. What is the reduction to GM due to free surface before the water drains overboard, if the after deck measures 56'L x 34'B and the weight of the water is 58.6 tons?
N a. 6.04 feet N b. 6.23 feet Y c. 6.51 feet N d. 6.76 feet 1858: A sailing vessel with the wind coming from 180° relative would be __________.
N a. close hauled on the port tack N b. close hauled on the starboard tack Y c. running before the wind N d. on a broad reach 1940: Life jackets should be stowed in __________.
N a. survival craft N b. messrooms Y c. readily accessible locations N d. locked watertight containers 2193: On offshore drilling units, the lifeboats' fuel tanks must be emptied and the fuel changed at least once every __________.
Y a. 12 months N b. 24 months N c. 36 months N d. 48 months 2311: What causes cavitation in a centrifugal pump?
Y a. Vapor pockets in the flow stream N b. Rough impeller surfaces N c. Worn wearing rings N d. Heavy fluid in the flow stream 2725: The stability of a semisubmersible MODU would be seriously reduced if flooding occurred in the __________.
N a. submerged hulls Y b. column void spaces N c. dry mud tanks N d. ballast tanks 2829: Aboard small passenger vessels the steering gear, signaling whistle, controls, and communication system shall be tested by the Master __________.
N a. once a week Y b. before getting underway for the day's operation N c. at every inspection and reinspection N d. at least once in every 48 hours 2859: For emergency communications, vessels operating on oceans, coastwise, or Great Lakes routes, on runs of more than 30 minutes shall carry in a portable watertight container at or near the operating station __________. (small passenger vessel regulations)
N a. six orange hand smoke distress signals N b. six red hand flare distress signals N c. one 3-cell flashlight Y d. six red hand flare distress signals and six orange hand smoke distress signals 2938: What equipment must be on a life float? (small passenger vessel regulations)
Y a. Two paddles, a light, painter, lifeline and pendants N b. Water-light, painter, and signal mirror N c. Water-light and painter only N d. Two paddles, painter, and six red flares 2944: Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 25.0 feet and the drafts are: FWD 15'-04", AFT 15'-08".
N a. 12° N b. 17° N c. 20° Y d. 23° 2999: The use of portable electrical equipment in the pumproom on tank barges is prohibited unless __________.
N a. the pumproom is gas-free N b. spaces with bulkheads common to the pumproom are either gas-free, inert, filled with water, or contain grade E liquid N c. all other compartments in which flammable vapors and gases may exist are closed and secured Y d. All of the above 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 3142: In the machinery space of all uninspected motor vessels, there must be one type B-II hand portable fire extinguisher for every __________. (Uninspected Vessel Regulations)
N a. 500 S.H.P. of the main engines or fraction thereof N b. 1000 S.H.P. of the main engines or fraction thereof N c. 500 B.H.P. of the main engines or fraction thereof Y d. 1000 B.H.P. of the main engines or fraction thereof 3152: U. S. Coast Guard approved work vests may be substituted life jackets __________. (Uninspected Vessel Regulations)
N a. aboard work vessels N b. aboard towing vessels N c. aboard sailing vessels Y d. under no circumstances 3361: The moment created by a force of 12,000 tons and a moment arm of 0.25 foot is __________.
N a. 48,000 ft-tons N b. 6,000 ft-tons Y c. 3,000 ft-tons N d. 0 ft-tons 3595: The DEEP DRILLER is level at a draft of 58 feet when there are no environmental forces. What is the value of TCG?
Y a. 0.00 on the centerline N b. 2.23 feet forward of amidships N c. 2.26 feet forward of amidships N d. 2.31 feet forward of amidships 3614: While proceeding towards a distress site you hear the message "Seelonce Feenee" over the radiotelephone. Which action should you take?
N a. Resume base course and speed because the distress situation is over. N b. Do not transmit over the radiotelephone. N c. Relay the initial distress message to the nearest shore station. Y d. Resume normal communications on the guarded frequency. 3852: The light on a personal flotation device on an OSV 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 3862: In accordance with Coast Guard Regulations, Coast Guard approved buoyant work vests __________.
N a. should be stowed in engineering spaces in lieu of approved life jackets because they are less bulky and permit free movement in confined spaces N b. may be used as a substitute for approved life preservers during routine drills, but never during an emergency Y c. should not be stowed where they could be confused with life jackets in an emergency N d. All of the above 3891: Which statement is TRUE concerning distress signals in a survival craft?
Y a. Hand held flares and orange smoke signals are required. N b. If hand-held rocket-propelled parachute flares are provided, they are the only distress signals required. N c. Two hand-held smoke signals shall be provided. N d. A Very pistol with twelve flares is required. 3943: On the DEEP DRILLER, to use the drill water pump to supplement the bilge pumps, it is necessary to open valves 28 and __________.
N a. 25 Y b. 26 N c. 29 N d. 48 4183: What is the shift in KG if all the liquid mud is dumped when the DEEP DRILLER is loaded as shown in the Sample Load #3 (Preparing to Drill)?
N a. 1.26 feet downward Y b. 1.51 feet downward N c. 2.77 feet downward N d. 1.47 feet downward 4355: If the maximum leg penetration of the COASTAL DRILLER is 75 feet, the water depth value in the Allowable Wind and Wave Charts must be increased by __________.
N a. 75 feet Y b. 50 feet N c. 25 feet N d. 0 feet 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) 4662: Most covered lifeboats will right themselves after capsizing if the __________.
N a. lower ballast tanks are filled with water N b. sea anchor is deployed to windward N c. fuel tanks are not less than half full Y d. passengers are strapped to their seats 4683: What is the change in longitudinal moments for the Coastal Driller if 2.5 feet of drill water is discharged from drill water tank #23?
N a. 1,671 ft-kips N b. -161 ft-kips N c. -4,708 ft-kips Y d. -20,052 ft-kips 5177: The DEEP DRILLER departs a fresh water port at a draft of 20 feet. What will be the draft in sea water?
N a. 19.0 feet N b. 19.3 feet Y c. 19.6 feet N d. 20.4 feet 5385: While preloading, the COASTAL DRILLER has a total weight of 21,401 kips. The LM are 2,560,416 ft-kips, and the TM are -6,206 ft-kips. What is the starboard leg reaction?
Y a. 7,099 kips N b. 7,134 kips N c. 7,151 kips N d. 7,203 kips 5517: Grinding to eliminate shallow surface defects should be done __________.
Y a. parallel to the longitudinal direction of the chain N b. perpendicular to the direction of the anchor chain N c. diagonally across the link of the anchor chain N d. around the circumference of the chain link 5547: In a combination chain and wire rope mooring system, the chain is deployed at the anchor end of the line to __________.
N a. increase fatigue life N b. eliminate the need for mooring buoys N c. prevent the anchor from fouling Y d. increase the catenary 5691: In a storm, the windward lines of a MODU's mooring system provide __________.
N a. a positive righting moment N b. an increase in KM N c. a negative restoring force Y d. a positive restoring force 5725: Given the same water depth and line tension, the catenary length of a 90 pound/foot mooring chain in comparison to the catenary length of a 19 pound/foot wire rope mooring line will be __________.
N a. longer N b. identical Y c. shorter N d. indeterminable 5883: In selecting a tug for moving a MODU, consideration should be given to its __________.
N a. indicated horsepower, bollard pull, and displacement N b. indicated horsepower, maneuverability, and displacement N c. indicated horsepower, bollard pull, and maneuverability Y d. bollard pull, displacement, and maneuverability 5941: Each fire hydrant serving machinery spaces containing oil fired boilers, internal combustion machinery, or oil fuel units must be equipped with a __________.
N a. fireman's outfit Y b. low-velocity spray applicator N c. marine strainer N d. pick axe 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 6817: How long must the records of tests and inspections of fire fighting equipment on board a MODU be retained on board?
N a. 6 months N b. 1 year N c. 3 years Y d. Until the next inspection for certification 7317: When sending and receiving messages on the marine radio, confusion over unusual words can be avoided by using the __________.
N a. delimiter switch Y b. standard phonetic alphabet N c. low power switch N d. high power switch 8155: The moment created by a force of 12,000 tons and a moment arm of 0.25 foot is __________.
N a. 48,000 ft-tons N b. 6,000 ft-tons Y c. 3,000 ft-tons N d. 0 ft-tons 8405: The most serious effect of oxygen retained in a diesel engine jacket water cooling system is that it __________.
Y a. causes corrosion N b. reduces the effectiveness of the coolant N c. can form air pockets which exclude coolant contact with hot surfaces N d. accelerates formation of hydrogen peroxide deposits 8576: The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?
N a. A fusible link will automatically open after a fire is extinguished and reset the damper. Y b. Fusible links must be replaced if a damper is activated. N c. Fusible links are tested by applying a source of heat to them. N d. Fusible links must be replaced at every inspection for certification. 9351: Halon from extinguishers used on a class B fire, should be directed __________.
N a. at the top of the flames Y b. at the base of the fire near the edge N c. in short quick bursts N d. toward the upwind side of the fire 9487: The geometric center of the underwater volume of a floating vessel is the center of __________.
N a. hydrodynamic forces N b. flotation N c. gravity Y d. buoyancy 9703: Which of the following statements is/are FALSE in regard to Ro-Ro vessels' spaces that are "specially suitable for vehicles"?
N a. The spaces shall be fitted with an approved fire or smoke detecting system. N b. The spaces shall be fitted with an approved fixed fire extinguishing system. Y c. The installation of a water sprinkler extinguishing system is prohibited. N d. All of the above