單項(xiàng)選擇題

If a steering motor becomes overloaded, the （）

A.overload condition of 5 % will trip the motor off the line immediately
B.overload condition will be indicated visually in the machinery space
C.motor running indicator will begin to flash "on" and "off" in response to the sustained overload condition
D.standby steering pump will start automatically and come on the line

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單項(xiàng)選擇題

When there is a fire in a large electric motor, normally the very FIRST step is to （）

A.secure the electric supply
B.ventilate area to remove smoke
C.start the fire pump and lead out hose
D.apply foam

單項(xiàng)選擇題

When working on a high voltage circuit, you should always have another person present with you.This person should have a good working knowledge of （）

A.the circuit being worked on and the location of all switches and circuit breakers controlling it
B.first-aid techniques for treating electrical shock
C.cardiopulmonary resuscitation (CPR)
D.All of the above

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If a steering motor becomes overloaded, the （）

你可能感興趣的試題

When there is a fire in a large electric motor, normally the very FIRST step is to （）

When working on a high voltage circuit, you should always have another person present with you.This person should have a good working knowledge of （）