輪機(jī)英語單項(xiàng)選擇題每日一練(2019.09.13)

來源：考試資料網(wǎng)

1 To avoid damaging the components of a printed circuit board when testing it with a DC volt-ohmmeter, you should （）

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2 Large crosshead type engine generally has two lubrication systems, a function performed only by cylinder oil system is（）

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3 Routine maintenance of lead acid batteries should include （）.

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4 Overload protection on hydraulic system is provided by the use of （）.

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5 Following the failure of one turbocharger on a large, crosshead, main propulsion diesel engine, fitted with multiple turbochargers, which of the following actions should be taken prior to further operation of the engine? （）

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