The drive motor will have a brake arranged to fail-safe, i√eit will （） the load if power fails or machine is stopped...

第1题

[单选题] Manually operated band brakes may be fitted and （） will have a brake arranged to fail-safe.

A、the drive pump B、the drive motor C、the warp end D、the purchase

第2题

[单选题] The drive motor will have a brake arranged to fail-safe, ieit will （） the load if power fails or machine is stopped.

A、lift B、put C、take D、hold

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第3题

[单选题] Which of the following will occur if a laptop SATA 1 drive is installed on a SATA 2 controller?（）

A、The drive will run at the lower SATA 1 speed. B、The drive will not work due to incompatibility. C、The drive will run at the higher SATA 2 speed. D、The drive will have intermittent POST errors.

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第4题

[单选题] “A centrifuge consists of an electric motor driving a vertical shaft on the top of which is mounted the bowl assembly”.According to this sentence, we can know that is mounted on the top of the vertical shaft（）

A、a centrifuge B、an electric motor C、a bowl assembly D、a driving motor

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第5题

[单选题] If the discharge valve is closed before the drive motor is stopped, which of the following types of pumps will most likely be damaged?（）

A、Centrifugal B、Gear C、Propeller D、Turbine

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第6题

[单选题] 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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第7题

[] One of the consequences in continuing to operate a centrifugal bilge pump with the discharge valve closed, is that the （）.

A、A.motor overload will open B、B.relief valve will open C、C.pump will overheat D、D.motor will overheat

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第8题

[单选题] If the pump for a hydraulic anchor windlass is overheating, the cause may be （）.

A、excessive drive motor speed B、excessive pump discharge pressure C、too low of a tilting box angle D、insufficient drive motor speed

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第9题

[单选题] In heavy marine engine the practice is to drive the engine on（）which has previously been stored in starting air reservoirs.

A、electric motor B、hydraulic motor C、compressed air D、turning gear

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The drive motor will have a brake arranged to fail-safe, i√eit will （） the load if power fails or machine is stopped.

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