轮机英语船舶动力装置单项选择题每日一练(2019.01.20)

单项选择题
The crankshaft receives and transmits the full working power of the engine and is subjected to fluctuating （）.
A.bending stresses弯曲应力
B.torsion stresses扭转应力
C.shear stresses剪应力
D.All of the above
单项选择题
The ability of a fuel particle to travel into the combustion chamber before burning is called （）.
A.penetration
B.permanence
C.turbulence
D.atomization
单项选择题
（） water is more expensive than fresh water It has high specific heat and low viscosity.
A.Distilled
B.Distilling
C.Boiling
D.Boiled
单项选择题
The air supplied to a diesel engine is compressed to （）(1) provide heat for the ignition of the fuel(2) decrease injection delay
A.(1) only is correct
B.(2) only is correct
C.both (1) and (2) are correct
D.neither (1) or (2) are correct
单项选择题
In the combustion chamber, the part whose surface is exposed to the highest temperature is the （）.
A.cylinder liner
B.cylinder cover
C.piston
D.exhaust valve