题目内容

Fuel has been injected but ignition fails. The possible cause may be ______.

A. slightly leaky exhaust valve
B. increased scavenging air temperature
C. engine cylinders not scavenged sufficiently
D. too much water in the fuel oil

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During the valve overlap period, the exhaust pressure of a turbocharged four-stroke/cycle

A. effective cylinder scavenging and cooling
B. constant pressure from the turbochargers
C. cooler operation of the exhaust system
D. effective constant pressure for turbocharger operation

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The meat box temperature control circuit, as used in the ship service refrigeration system, is an example of ______.

A. two position control
B. single speed floating control
C. proportional(比例) control
D. reset control

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不属于“十字文明”用语的是“()”。

A. 您好
B. 谢谢
C. 告辞
D. 对不起

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下面属于非银行业金融机构的有：()

A. 金融资产管理公司
B. 汽车金融公司
C. 企业集团财务公司
D. 金融租赁公司
E. 信托公司
F. 保险公司
G. 货币经纪公司

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Fuel has been injected but ignition fails. The possible cause may be ______.

A. slightly leaky exhaust valve B. increased scavenging air temperature C. engine cylinders not scavenged sufficiently D. too much water in the fuel oil

During the valve overlap period, the exhaust pressure of a turbocharged four-stroke/cycle

The meat box temperature control circuit, as used in the ship service refrigeration system, is an example of ______.

不属于“十字文明”用语的是“()”。

下面属于非银行业金融机构的有：()

A. slightly leaky exhaust valve
B. increased scavenging air temperature
C. engine cylinders not scavenged sufficiently
D. too much water in the fuel oil