What type of electric motor is most commonly used on board ship?()
In comparison to electric power,hydraulic power for jacking systems has the advantage of().
It was well known that Thomas Edison()the electric lamp.
Capacitance is the property of an electric circuit opposing a change in the ()
Any electric motor can be constructed to be().
The electric fan has blown away the terrible smell in the hall,()?
Which of the following electric motors would be the safest and most reliable to use on the main deck of a vessel in foul weather conditions?()
Which of the following electric motors would be the safest and most reliable to use on the main deck of a vessel in foul weather conditions?()
“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()
Electric generators can be protected against overload().