更多"After taking on fuel oil, the hoses"的相关试题:
[单项选择]Machinery driving fuel oil transfer and fuel oil service pumps must be fitted with a remote means of stopping the machinery from （）.
A. within the space concerned
B. outside the space concerned
C. the throttle station
D. within the fire room
[单项选择]When separating fuel oil in oil separator, the separating quantity is（） of the real quantity.
A. 100%
B. 80%
C. 1/2
D. 1/3
[单项选择]Fuel injectors used in heavy fuel oil systems are usually provided with cooling to reduce（）.
A. cold corrosion of the nozzles
B. fuel viscosity for better atomization
C. carbon accumulation on the nozzles
D. fuel detonation in the cylinders
[单项选择]In a commonly used fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.
A. a service tank
B. a settling tank
C. an expansion tank
D. a double bottom tank
[单项选择]In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.
A. a service tank
B. a collecting tank
C. a sump
D. a settling tank
[单项选择]
When fuel oil is accidentally missed with lube oil which of the following processes can be used to separate them?（）
Ⅰ.filtering
Ⅱ.settling
A. Ⅰ only
B. Ⅱ only
C. either Ⅰ or Ⅱ
D. neither Ⅰ or Ⅱ
[单项选择]After an occurrence of oil pollution，what shall be done first by a vessel in Chinese port? （）.
A. use oil dispersion agent and wait for investigation
B. try to collect the oil on deck or in water
C. report to Harbor Master
D. B and C
[单项选择]Diesel engine fuel oil contamination often results in （）
A. governor malfunctions
B. fuel injection system malfunctions
C. high cylinder lube oil temperatures
D. low intake temperatures
[单项选择]One engine manufacturer recommends heavy fuel oil should not be heated above 80℃ to 95℃ (176 ℉ TO 203℉) before purificationThis upper limit should be observed to ensure against（）
A. flattening of the bowl neoprene O-rings
B. operation within the explosive rang of the fuel
C. excessive purifier operating pressures
D. excessive oil viscosity
[单项选择]Diesel engine lube oil diluted with fuel oil is indicated by（）
A. decreased viscosity
B. decreased pour point
C. increased flash point
D. increased viscosity
[单项选择]Which of the following fuel oil characteristics establishes the danger point when transferring, pumping, and firing procedures are concerned?（）
A. Fire point
B. Flash point
C. Specific gravity
D. viscosity
[单项选择]The minimum fuel oil delivery pressure required for diesel engine injection depends primarily on the（）
A. degree of cylinder air turbulence
B. firing pressure in the engine
C. quality of fuel to be injected
D. duration of the ignition delay period
[单项选择]Fuel oil discharged to the diesel engine cylinder is atomized at the （）
A. turbocharger
B. injection nozzle tip
C. carburetor
D. fuel oil pump
[单项选择]When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
A. filter to remove the fuel oil
B. use the settler to remove the fuel oil
C. remove the fuel oil by centrifuging
D. drain and then renew the lube oil supply
[单项选择]The quality of the fuel oil and lube oil （）, Im afraid.
A. has much to do with the operation of the engine and its life
B. have much to do with the operation of the engine and its life
C. has much doing with the operation of the engine and its life
D. have much doing with the operation of the engine and its life
[单项选择]Proper filtering and straining of fuel oil is important because the （）.
A. fuel oil pump will over-speed if dirt is not removed
B. fuel oil transfer pumps cannot tolerate small amounts of dirt in the oil
C. fuel injectors may be damaged by foreign particles in the fuel oil
D. dirty fuel will clog the intake air filter
[单项选择]To avoid excessive pressures in the fuel oil filling system during bunkering, you should （）.
A. close the tank filling valves quickly
B. top off all tanks at the same time
C. rill completely all tanks to less than 95% full
D. reduce the loading rate when topping off
[单项选择]Impurities in the fuel oil will affect the operation of the engine, which has （） the use of separator and some other devices.
A. brought about
B. caused for
C. resulted from
D. led
[单项选择]The temperature of the fuel oil received during bunkering operations is critical in determining the（）
A. expansion space to leave in a tank
B. flash point at which the fuel will burn
C. temperature to which the fuel must be heated
D. rate at which the fuel can be pumped during transfer operations
