更多"In fighting a fire in a fuel tank, "的相关试题:
[单项选择]When fighting an electrical fire, you should first （）.
A. stop ventilation to the area
B. stop the vessel
C. secure electricity to the circuit
D. apply CO2 to the fire
[单项选择]Fuel tank的中文含义是（）。
A. 供油泵
B. 燃料系
C. 燃油滤清
D. 燃料箱
[单项选择]Gasoline fuel tank vents should terminate（）.
A. in the engine compartment
B. in the fuel tank space
C. above or outside the hull
D. at the most convenient location
[单项选择]If fuel tank levels are found to have increased after a grounding, you should suspect （）.
A. a damaged pneumercator line
B. a puncture, crack, or hole in the skin of the vessel
C. improper record keeping of fuel transfer activities
D. contamination of the contaminated steam supply system
[单项选择]Before entering a fuel tank that has been cleaned, it should be checked with an oxygen indicator and a/an（）.
A. Orsat apparatus
B. flame safety lamp
C. Halide torch
D. combustible gas indicator
[单项选择]Before welding is permitted on a fuel tank, it must be certified or declared （）
A. safe for becoming rounded
B. safe for hot work
C. not safe for personnel
D. not safe for hot work
[单项选择]Prior to burning or welding on a fuel tank on a ship，regulations require that an inspection be made. An entry in the unofficial logbook is required if this inspection is made by（）.
A. a marine chemist
B. the Officer in Charge，Marine Inspection
C. the Master or person in charge of the ship
D. the National Fire Protection Association
[单项选择]The FIRST course of action in fighting a fire in a cargo or fuel oil tank is to （）.
A. secure all openings to the tank
B. discharge an initial charge of CO2 with a hand portable extinguisher
C. direct a fire hose into the tank and energize the fire main
D. spray the tank boundaries with a fire hose to promote cooling
[单项选择]The fire of fuel oil is classified as（） fire.
A. Class A
B. Class B
C. Class C
D. Class D
[单项选择]Before being used the fuel service tank should be drained of （）.
A. soda solution
B. mechanical impurities
C. ballast
D. water and residuals
[单项选择]Fuel oil tank vents are fitted with a screen which will stop（）.
A. oil from flowing out of the tank vent
B. air from entering the tank vent
C. vapors from leaving the tank vent
D. flames on deck from entering the tank vent
[单项选择]If the low level alarm of the diesel fuel day tank fails to function, you can expect trouble from（）
A. overheated injection pumps
B. water condensed in the cylinders
C. fuel dilution of the lube oil
D. air in the fuel system
[单项选择]The four basic components of a fire are fuel, heat, oxygen and a chain reactionWhich of the following statements best describes what must be eliminated to extinguish a fire?（）
A. Any one component can be eliminated to extinguish a fire
B. Any two components must be eliminated to properly extinguish a fire
C. Any three components must be eliminated to properly extinguish a fire
D. Ali four components must be eliminated to extinguish any fire
[单项选择]Permitting a diesel engine fuel oil day tank to run dry can cause （）
A. overheated injection pumps
B. water condensation in the cylinders
C. fuel dilution of the lube oil
D. air in the fuel system
[单项选择]The depth of fuel oil in a tank is normally measured through the（）
A. vent line
B. overflow line
C. feed line
D. sounding tube
[单项选择]How must each storage tank for helicopter fuel on a ship be marked?（）
A. DANGER - KEEP AWAY
B. DANGER - EXPLOSIVE VAPORS
C. DANGER - NO SMOKING
D. DANGER - FLAMMABLE LIQUID
[单项选择]Fuel oil is regularly transferred to the day tank in order to （）
A. allow impurities to settle out of the fuel
B. allow air to escape from the fuel
C. make fuel available for immediate use
D. all of the above
