Electrical Power Generation MCQs Part 40

Electrical Engineering MCQs on Power Generation – Part 40

A pilot exciter is provided on generators so as

A pilot exciter is provided on generators so as

  1. To excite the poles of main exciter
  2. To provide requisite starting torque to generator
  3. To provide requisite starting torque to main exciter
  4. None of these

Correct answer: 1. To excite the poles of main exciter

The device that may be used to provide protection against lightening over voltages

The device that may be used to provide protection against lightening over voltages

  1. Horn gaps
  2. Rod gaps
  3. Surge absorbers
  4. All of these

Correct answer: 4. All of these

The expected useful life of the hydroelectric power plant is about

The expected useful life of the hydroelectric power plant is about

  1. 100 years
  2. 15 years
  3. 30 years
  4. 60 years

Correct answer: 1. 100 years

Which of the below mentioned are not repayable after a stipulated period

Which of the below mentioned are not repayable after a stipulated period

  1. Bonds
  2. Cash certificates
  3. Fixed deposits
  4. Shares

Correct answer: 4. Shares

Air will not be the working substance in case of

Air will not be the working substance in case of

  1. Closed cycle gas turbine
  2. Diesel engine
  3. Open cycle gas turbine
  4. Petrol engine

Correct answer: 1. Closed cycle gas turbine

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