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EN-EM7-OEEE

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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_EM7 — EN-EM7-OEEE” contains 21 questions across 1 collection.

Learning

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Sample questions and answers

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Item No 2 of this Wheatstone Bridge is .....

One correct answer

Question illustration
  • the field wire fed by amplifier A
  • the feed-back coil fed by amplifier A
  • the field balance indicating field wire of amplifier output
  • the thermal resistance fed by the output of amplifier A✓ Correct answer
A six pole asynchronous motor is fed from a 60 Hz circuit and has a slip of 5 %. What is the motor speed ?

One correct answer

  • 1720 RPM
  • 1560 RPM
  • 1140 RPM✓ Correct answer
  • 960 RPM
Alternator (A) 100 kVA runs parallel with alternator (B) 125 kVA, both are 3 phase, 240 V, 60 Hz. The load of A is 60 kW, 90% power factor and the load of B is 80 kW, 70 % power factor. What is the total load ?

One correct answer

  • 472.8 Amps
  • 458.8 Amps
  • 429.8 Amps✓ Correct answer
  • 416.8 Amps
How is the set pressure (opening pressure) adjusted on the cylinder head safety valve of a diesel engine?

One correct answer

  • By adjusting the distance of the valve cone.
  • By adjusting the lift height of the spindle.
  • By fitting distance washers.
  • By adjusting the spring pressure.✓ Correct answer
For which type of controller are the input and output characteristics shown here ?

One correct answer

Question illustration
  • A pressure indicating controller.
  • A proportional integrating controller.✓ Correct answer
  • A PI differentiating controller.
  • A pneumatic indicating controller.

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