更多"Using a file without a handle may r"的相关试题:
[单项选择]Using a file without a handle may result in （）
A. your work becoming rounded
B. injury to your hand
C. overheating of the file
D. pinning
[单项选择]Low compression of diesel engine may result from （）
A. a worn cylinder
B. broken piston rings
C. any of A and B
D. none of the above
[单项选择]Overheating of a hydraulic system may be a result of （）.
A. changing pump discharge pressure in response to normal load variations
B. a high oil level
C. incorrect fluid viscosity
D. continued slow re-circulation of the oil
[单项选择]Which harmful consequence may be the result of lube oil sludge accumulation? （）
A. Clogged oil pump suction screens
B. Increased oil operating temperatures
C. Sticking piston rings
D. All of the above
[单项选择]When the order given by bridge may have bad results, the duty engineer should（）
A. inform the captain for a further consideration, then perform it
B. inform the captain, and not perform it
C. stop the M/E immediately, and then inform the chief engineer
D. stop the M/E immediately, and then inform the captain
[单项选择]I must hold（）for any damage which may result from the accidents you have caused.
A. your responsible
B. you responsible
C. you are responsible
D. your are responsible
[判断题]命令cat file1 file2 >file3把file1和file2组合成file3。
[判断题]如当前目录中没有file文件，touch file命令建立长度为0的文件file。
[单项选择]条件表达式（result）？"true"："false"的意义是（），其中result是逻辑表达式。
A. 如果result为true，则表达式的值是true，否则为false
B. 如果result为false，则表达式的值是true，否则为false
C. 如果result为true，则表达式的值是false，否则为true
D. 表达式错误
[单项选择]（）may be laid ready for the cargo or may just be put in bundles ready for the stevedores to lay out as the cargo is loaded.
A. Wedge
B. Dunnage
C. Shore
D. Store
[单项选择]Problems may （）
A. rise
B. jump
C. arise
D. lift
[单项选择]Crankcase explosions in propulsion diesel result from（）
A. the splashing of lubrication oil by the crankshaft
B. the dilution of crankcase oil with particles of combustion
C. broken fuel lines spraying oil on the crankcase
D. the ignition of unburned fuel and air in the crankcase
[单项选择]What could be a result of insufficient lubrication of lifeboat winches and davits?（）
A. Moisture accumulation in winch motor damaging the electrical wiring
B. Freezing of gears in cold weather
C. Corroding of sheaves on the davits so they will not rotate
D. All of the above
[单项选择]RESULT OF SEARCH NEGATIVE means（）.
A. the search has found nothing
B. the derelict has been found
C. the derelict has been located
D. the derelict has been sighted
[单项选择]What condition will result in the automatic shutdown of a diesel engine? （）
A. High jacket water pressure
B. High lube oil pressure
C. Low lube oil pressure
D. Excessive turbo charger speed
[单项选择]Spontaneous ignition can result from（）.
A. an unprotected drop-light bulb
B. careless disposal or storage of material
C. smoking in bed
D. worn electrical wires on power tools
[单项选择]Scouring is the result of（）.
A. interruption of the normal current flow by the footing
B. elevating in mud-slide zones
C. penetrating rapidly through a hard crust into weaker soils
D. extracting legs from soils with high cohesion
