Electrical Power Generation MCQs Part 12

Electrical Power Generation MCQs Part 12

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