A.clear
B.hazy light brown
C.hazy light blue
D.hazy light grey
您可能感興趣的試卷
你可能感興趣的試題
A.last part of the exhaust stroke, and the first part of the intake stroke
B.last part of the intake stroke only
C.early part of the injection stroke only
D.early part of the power stroke
A.fresh water expansion tank
B.sea water expansion tank
C.thermostatic expansion valve
D.jacket water cooler accumulator
A.The oil temperature is less than the cooling water temperature
B.The oil pressure is less than the cooling water pressure
C.The oil pressure is greater than the cooling water pressure
D.The oil flow control valve is always installed in the oil input line
A.casting interlocking components
B.welding plates to form sections for assembly
C.forging integral components
D.case hardening integral components
A.check and regulate the water level
B.close the air cock once fires are lit
C.blowdown the gage glass
D.crack the steam stop to assure protective steam flow
最新試題
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
Maximum horsepower of a diesel engine is attained （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
In a simple mechanical governor, the （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Lube oil cannot be efficiently filtered if its （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
The highest pressure in a diesel engine cylinder normally occurs （）.