Electric Motors Quiz

Which of the following scientists invented the first DC Electric motor?

• George Westinghouse

• Michael Faraday

• Nikola Tesla

• Zenobe Gramme

Which of the following electrical industry pioneers invented the first practical AC motor?

• George Westinghouse

• Thomas Edison

• Nikola Tesla

• Zenobe Gramme

The Department of Energy study found that _?_ of all generated electricity is consumed by electric motors.

• 14%

• 28%

• 52%

• 63%

A motor _?_ is a device that governs the performance of an electric motor in a predefined manner?

• controller

• frequency

• rotor

• stator

_?_ is a Washington DC based standards organization which develops standards for motor control equipment.

• IBEW

• IEC

• NEMA

• NFPA

Which of the following four documents is not produced by the IEC?

• Application Guides

• International Standards

• Technical Reports

• NFPA

In which of the following NEMA standards would information about a controller's interrupting capacity be found?

• Application

• Performance

• Rating

• Testing

Manually-operated pilot devices are actuated by a(n) __?

• change in process flow or level

• human operator

• moving part in an industrial process

• programmable controller

Which type of pushbutton operator has the operating surface even with the mounting ring on the operator?

• Extended

• Flush

• Guarded

• Mushroom

The two parts of a pushbutton switch are the __?__ and the contact block.

• switch

• relay

• drum

• cam

• operator