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Flexible hose under pressure in a hydraulic system will _____.A.tend to twist about its lo

Flexible hose under pressure in a hydraulic system will _____.

A.tend to twist about its long axis

B.expand in length and in diameter

C.contract in length and expand in diameter

D.flex at right angles to the applied pressure

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第1题

The coil of wire rotating in the magnetic field produces the_____.

A.voltage

B.current

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第2题

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第3题

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第4题

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A.navigating with a low diesel engine speed

B.navigating with a stable diesel engine speed

C.increasing the efficiency of propeller

D.increasing fuel injection

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