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章節(jié)練習
輪機英語船舶輔助機械章節(jié)練習(2018.02.26)
來源:考試資料網(wǎng)
1
After fitting back in place the gear wheels, don’t forget to () them.
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2
Which of the following types of hydraulic pumps would be used in a steering system?()
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3
The term "pour point" is defined as the lowest temperature at which lubricating oils will flow ().
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4
If a centrifugal pump vibrates and is noisy when operating, the cause could be ().
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5
Which characteristic or condition will have the greatest effect on increasing a hydraulic oils viscosity?()
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6
The safety valve should be () in the presence of C/E and Surveyor.
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7
Proper combustion in a boiler would be indicated by ().
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8
On all vessels equipped with refrigeration units of over 20 cubic foot capacity, ().
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9
Between the steam dram and the smaller water dram below, large numbers of smaller diameter () tubes are fitted.
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10
In general, () is suitable for delivering small quantifies at high pressure.
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