更多"A small fuel spillage has occurred "的相关试题:
[单项选择]During the fuel injection period, fuel pressure must exceed cylinder gas pressure to （）.
A. ensure penetration and distribution of the fuel in the combustion chamber
B. ensure the needle valve is flushed clean during each injection
C. prevent combustion gas blowback into the open needle valve
D. prevent reflected pressure waves when the needle valve closes
[单项选择]Fuel has to be injected into the engine at a high pressure so that it （） correctly.
A. is purified
B. in timed
C. is compressed
D. atomizes
[单项选择]Fuel has been injected but ignition fails The possible cause may be （）.
A. leaky exhaust valve
B. increased scavenging air temperature
C. engine cylinders not scavenged sufficiently
D. water in the fuel oil
[单项选择]Each hose in the fuel transfer system for helicopter refueling must have a（）.
A. static grounding device
B. quick-disconnect nozzle
C. splash guard
D. vapor recovery system
[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 temperature of the fuel oil received during bunkering operation 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
[单项选择]If，during helicopter refueling operations，fuel is spilled on clothing，the person should first（）.
A. see the medic immediately
B. spray himself with foam or CO2
C. complete his task and then see the medic
D. remove the clothing and wash
[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]Heat damage to fuel injection nozzles on small high-speed diesel engines, can be prevented by（）
A. employing fuel oil as a cooling medium
B. preventing hard carbon deposit on nozzle tips
C. avoiding fuel oil temperature exceeding builder’s specification
D. ensuring good metallic contact between nozzles and cylinder heads
[单项选择]Your vessel is taking on fuel oil when a small leak develops in the hose and you have ordered the pumping stoppedBefore resuming pumping，you should（）.
A. notify the terminal superintendent
B. place a large drip pan under the leak and ping the scuppers
C. repair the hose with a patch
D. replace the hose
[单项选择]The engine has one or two group of fuel pumps, depending upon （）.
A. the number of fuel valves
B. the number of cylinders
C. the speed of engine
D. the power of engine
[单项选择]During a stability test on a small passenger vessel（）.
A. the vessel must be moored snugly
B. each tank must be partially full to show it does not leak
C. all dunnage，tools，and extraneous items are secured
D. water under vessel must be deep enough to prevent grounding
[单项选择]To repair a small electrical motor that has been submerged in saltwater, you should （）.
A. wash it with fresh water and apply an external source of heat
B. renew the windings
C. send it ashore to an approved service facility
D. rinse all electrical parts with a carbon tetrachloride cleaning solvent and then blow dry the motor with compressed air
[单项选择]Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increasedYou therefore should suspect （）.
A. condensation in the fuel tank
B. a crack in the hull portion of the fuel tank
C. a load of bad fuel
D. contamination from the saltwater flushing system
[单项选择]She has been working hard day and night during these years（）she could pay for the lost necklace.
A. in order that
B. as long as
C. the moment
D. because
