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章节练习
轮机英语章节练习(2020.03.19)
来源:考试资料网
1
() is not installed on the main switchboar.
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2
Before liquid can flow into a pump, the air in the suction line must be () sufficiently to cause the liquid to flow into the suction chamber.
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3
The use of sinking and dispersing agents for the removal of surface oil is ().
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4
In the refrigeration system, a shortage of refrigerant is indicated by ().
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5
Voltage generated by most AC generators is fed from the machine to the bus by means of().
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6
Emulsion oils and sodium nitrite are both approved additives, but the latter cannot be used if any pipes are () or if any soldered joints exit.
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7
In the two stroke diesel engine, it is designed so that the oil impingement is timed to proceed only on the piston ring belt during()
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8
The fire drill must, as far as practicable, be conducted if ().
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9
When a ship is entering to narrow waterway and the fuel feeding of the main engine is keeping unchanged, which of the following is the wrong conclusion?()
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10
The four basic components of a fire are fuel, heat, oxygen and a chain reactionWhich of the following statements best describes what must be eliminated to extinguish a fire?()
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