汽车专业英语_智慧树知到答案2021年

第六章 润滑系统和冷却系：本章主要介绍润滑系和冷却系的功能和组成。6.1润滑系统:本小节主要讲述润滑系的作用，并介绍了飞溅润滑和压力润滑。
6.2冷却系统:本小节介绍了冷却系的组成，详细介绍了节温器的工作原理。

[单选题]What is the cooling agent in the liquid cooling system? ( )

选项:[gasoline
, air
, coolant
, lubrication
]
[单选题]The water pump uses ( ) to send fluid to the outside while it spins, causing fluid to be drawn from the center continuously.

选项:[centrifugal force
, gravity
, gas force
, friction
]
[多选题]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.

选项:[thermostat
, fuel cap
, water pump
, radiator
]
[单选题]The cooling system is designed to work all the time when the engine is running.（ ）

选项:[错, 对]
[单选题]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. （ ）

选项:[对, 错]