超星 - 题库第三章 - 查题吧

单选题

______ is a mixture of water, oil, dirt and other products of combustion.

A. petrol
B. distillate
C. oil sludge
D. lutrication

单选题

Cylinder head contains water ______ for cooling engine.

A. jacket
B. pump
C. tank
D. pipe

单选题

Thus, there is constant circulation of ______ between the pan and the working parts of the engine.

A. oil
B. fuel
C. water
D. coolant

单选题

In an automobile engine, heat flows or transfer from the iron or aluminum ______ to the cooling water, and from the coolant to the copper or aluminum radiator.

A. rocker arm
B. fan
C. radiator
D. cylinder

单选题

Sometimes the fan is installed on the ______.

A. flywheel
B. water pump shaft
C. radiator
D. thermostat

单选题

Automobile engine ______ are of many designs, but most are the centrifugal type.

A. radiator
B. cylinder
C. fan
D. water pump

单选题

______is constructed to hold a large amount of water in tubes which provided a large area in contact with the atmosphere.

A. The cylinder
B. The oil pan
C. The radiator
D. The water jacket

单选题

______is designed to seal the cooling system so that it operates under some pressure.

A. The radiator core
B. The radiator cap
C. The fan blade
D. The oil sludge

单选题

The _____ is designed to draw cooling air through radiator core.

A. thermostat
B. radiator cap
C. fan
D. radiator core

单选题

The _____ is designed to close off the flow of water from engine to radiator until the engine has reached the desired operating temperature.

A. radiator cap
B. thermostat
C. fan
D. radiator core

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