汽车专业英语答案2023

第六章测试

1.What is the cooling agent in the liquid cooling system? ( )
A:air
B:lubrication
C:coolant
D:gasoline

答案:C
2.The water pump uses ( ) to send fluid to the outside while it spins, causing fluid to be drawn from the center continuously.
A:gravity
B:gas force
C:centrifugal force
D:friction
3.The cooling system of a water-cooled engine consists of the engine’s water jacket, a（ ）and radiator cap, a cooling fan (electric or belt-driven), hoses, and usually an expansion (overflow) tank.
A:water pump
B:radiator
C:fuel cap
D:thermostat
4.The cooling system is designed to work all the time when the engine is running.（ ）
A:对 B:错 5.Some engines are coated the inside of the top of the cylinder head with a thin layer of ceramic to reduce the amount of heat that is transferred from the combustion chamber to the metal parts of the engine. （ ）
A:错 B:对