In a four-stroke engine the camshaft rotates at （）.

【名词&注释】

洗衣粉(detergent)、清洗剂(cleaning agent)、增压器转子(blower rotor)

[单选题]In a four-stroke engine the camshaft rotates at （）.

A. half the engine speed
B. twice the engine speed
C. the engine speed
D. four times the engine speed

查看答案&解析 查看所有试题

学习资料：

[单选题]影响发动机加速时问长短的因素是它的（）。I.运行部件的质量惯性；Ⅱ.受热部件的热惯性

A. 仅Ⅰ对
B. 仅Ⅱ对
C. Ⅰ+Ⅱ
D. Ⅰ，Ⅱ都不对

[单选题]在船上，拆下来的增压器转子应该用（）浸泡清洗。

A. 硫酸溶液
B. 草酸溶液
C. 空冷器清洗剂
D. 热水+少量洗衣粉

[单选题]A charge of fresh air is drawn into the engine cylinder and then （） by the moving piston（） very high pressure.

A. pressed；to
B. pressurized；with
C. pushed；in
D. compressed；to

[单选题]The compressed air is supplied by （） to the air reservoirs.

A. compressors
B. forced fans
C. ventilators
D. generator

本文链接：https://www.51bdks.net/show/oqz7vo.html