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17_CES_EO6

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About this collection

The ANR bank contains many sets with original names and codes, including navigation, safety and equipment topics. Select a module by name or use question search.

“ANR — 17_CES_EO6” contains 48 questions across 1 collection.

Learning

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Sample questions and answers

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A current clamp meter is clipped around a cable supplying a balanced three phase motor working at full load. The motor is rated to consume 100 A. What will the meter show ?

One correct answer

  • 100 Amps.
  • 33.3 Amps.
  • 0 Amps.✓ Correct answer
  • 110 Amps.
A generator's Reverse Power protection relay is fitted between ...........................

One correct answer

  • the breaker connecting bars.
  • the breaker and the consumers.
  • the generator and the consumers.
  • the generator and the bus bars.✓ Correct answer
A DC series motor is used to operate a pump driven with a belt, what happens if the belt breaks?

One correct answer

  • The motor will stop.
  • The motor will over speed and run out of control.✓ Correct answer
  • The motor will slow down.
  • The motor will continue to run at its original speed.
How many slip rings with carbon brushes are fitted on the rotor of a three-phase alternator?

One correct answer

  • Two.✓ Correct answer
  • Four.
  • Three.
  • Six.
In extreme circumstances what is the allowable max & min voltage tolerance?

One correct answer

  • 90% - 110%.
  • 85% - 120%.✓ Correct answer
  • 75% - 125%.
  • 70% - 130%.

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