题目内容

Before starting the engine, the air bottle should be ____.

A. pumped up
B. loaded
C. discharged
D. closed

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how is the oil sample taken during bunkering ？

In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve？

A. Noise coming from that air starting valve
B. Continuous operation of the starting air compressor
C. Zero air pressure in the air starting system
D. Overheated starting air pipe to the cylinder head

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Diesel engines driving alternators operating in parallel must maintain a set frequency regardless of load changes. The governor characteristic used to accomplish this is known as _______.

A. actuation
B. sensitivity
C. compensation
D. promptness

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如果美联储降低联邦基金率，下面哪一种情况会发生？

A. 投资增加
B. 消费支出减少
C. 美元在外汇市场上的价格上升
D. 净出口下降
E. 政府在产品和服务上的支出增加

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Before starting the engine, the air bottle should be ____.

A. pumped up B. loaded C. discharged D. closed

how is the oil sample taken during bunkering ？

In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve？

Diesel engines driving alternators operating in parallel must maintain a set frequency regardless of load changes. The governor characteristic used to accomplish this is known as _______.

如果美联储降低联邦基金率，下面哪一种情况会发生？

A. pumped up
B. loaded
C. discharged
D. closed