單項(xiàng)選擇題

（） the cylinder will contain a great weight of air and will be capable of burning a great quantity of fuel.

A.At the beginning of the compression stroke
B.At the beginning of the suction stroke
C.At the end of the working stroke
D.At the end of the exhaust stroke

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單項(xiàng)選擇題

（） should not undertake any task which will interfere with the supervision duties relating to the main machinery and associated equipment.

A.The watch keeping personnel
B.The chief engineer
C.The person on a bunker barge
D.Any of the above

單項(xiàng)選擇題

（） pistons have low inertia and high coefficient of thermal expansion.

A.Cast iron
B.Cast steel
C.Forged steel
D.Aluminum

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（） the cylinder will contain a great weight of air and will be capable of burning a great quantity of fuel.

你可能感興趣的試題

（） should not undertake any task which will interfere with the supervision duties relating to the main machinery and associated equipment.

（） pistons have low inertia and high coefficient of thermal expansion.

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