Electrical Power Generation MCQs Part 12

Electrical Power Generation MCQs Part 12

Contents

The major loss in steam power station occurs in

The major loss in steam power station occurs in:

  1. Boiler
  2. Condenser
  3. Economizer
  4. Superheater

Correct answer: 2. Condenser

Thermal efficiency and electric efficiency of a generation plant are 31.3% and 86% respectively, the overall efficiency of power plant is

Thermal efficiency and electric efficiency of a generation plant are 31.3% and 86% respectively, the overall efficiency of power plant is:

  1. 5.35%
  2. 11%
  3. 26.91%
  4. 66.08%

Correct answer: 3. 29.04%

Overall efficiency = Thermal efficiency * Electrical efficiency = 0.313 * 0.86 = 26.91%

The load factor is generally

The load factor is generally:

  1. Less than 1
  2. More than 1
  3. Equal to 1
  4. None of these

Correct answer: 1. Less than 1

The base load power plant supplies for how many hours a day

The base load power plant supplies for how many hours a day:

  1. 8 hours
  2. 12 hours
  3. 18 hours
  4. 24 hours

Correct answer: 4. 24 hours

An alternator alters _________ to __________

An alternator alters _________ to __________:

  1. Mechanical energy, Electrical energy
  2. Electrical energy, Mechanical Energy
  3. Electrical energy, Chemical energy
  4. Heat energy, Electrical energy

Correct answer: 1. Mechanical energy, Electrical energy

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