更多"If the low level alarm of the diese"的相关试题:
[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]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]In fighting a fire in a fuel tank, the FIRST action you should attempt is to （）.
A. secure all sources of fresh air to the tank
B. begin transferring the fuel to other tanks
C. top off the tank to force out all vapors
D. station someone at the fixed CO2 release controls
[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]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
[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]Fuel oil day tanks for diesel engines must be checked and cleaned and cleaned at regular intervals in order to remove（）
A. sludge
B. water
C. micro-organism growth
D. all of the above
[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]If the overflow tank high-level alarm sounds while the fuel oil tanks are being topped off, the engineer should （）.
A. close the static leg filling valve
B. close the overflow tank falling valve
C. reduce the fuel oil pumping rate
D. stop the fuel oil pumping operation
[单项选择]Fuel oil having a low cetane rating could result in（）
A. improved cold weather starting
B. excessive fuel oil consumption
C. reduced ignition lag
D. smoother engine operation
[单项选择]A diesel engines crankcase oil level is found to be too high√ You should suspect that （）.
A. the engine was over filled
B. there might be a fuel leak
C. there might be a water leak
D. all of the above
