你可能感興趣的試題

For a propeller direct driven by the engine,（）.

A.the thrust pads are while metal faced on both sides
B.the thrust pads are while metal faced only on the forward side
C.the thrust pads are while metal faced only on the after side
D.intermediate shaft usually supported by a plummer block

單項(xiàng)選擇題

Propeller running at （） are generally efficient.

A.high speeds
B.medium speed
C.low speeds
D.the same speed with the engine

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The propeller is pushed on to the tubeshaft taper and made tight by（）

你可能感興趣的試題

For a propeller direct driven by the engine,（）.

Propeller running at （） are generally efficient.