你可能感興趣的試題

單項選擇題

The air cylinder bottles in the survival craft should be refilled with（）.

A.oxygen
B.nitrogen
C.compressed air
D.nitrogen and oxygen

單項選擇題

The (auto)ignition temperature is that temperature atwhich（）.

A.no spark or flame is required to ignite gas or vapor
B.a fuel begins to give off explosive vapors
C.a fuel if ignited will continue to burn
D.a 1% mixture of the fuel with air will explode

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The Captain ordered the dangerous cargo on deck（）to lighten the ship and minimize the risk at sea.

你可能感興趣的試題

The air cylinder bottles in the survival craft should be refilled with（）.

The (auto)ignition temperature is that temperature atwhich（）.