Power Generation MCQs Part 27

Power Generation MCQs Part 27

Which of following power plants has minimum operating cost

Which of following power plants has minimum operating cost:

1. Hydroelectric power plant
2. Gas power plant
3. Steam power plant
4. Nuclear power plant

Correct answer: 1. Hydroelectric power plant

Which of following is the main advantage of hydro-plant

Which of following is the main advantage of hydro-plant:

1. Can be started and loaded quickly
2. Low operating cost
3. Can be used as both base and peak loads
4. All of these

Correct answer: 4. All of these

The main function of economizer of boiler plant is to

The main function of economizer of boiler plant is to:

1. Reduce fuel consumption
2. Increase steam pressure
3. Increase steam production
4. Increase life of boiler

Correct answer: 1. Reduce fuel consumption

Which of following are the desirable features of power system

Which of following are the desirable features of power system:

1. Low load factor and diversity factor
2. Low load factor and high diversity factor
3. High load factor and low diversity factor
4. High load factor and diversity factor

Correct answer: 4. High load factor and diversity factor

Water hammer occurs in which part of hydro power station

Water hammer occurs in which part of hydro power station:

1. Penstock
2. Surge tank
3. Turbine
4. Draft tube

Correct answer: 1. Penstock

Explanation: Water hammer occurs in penstock of power plant. A surge tank is small reservoir or tank that is open at top and in which water level rises or falls in order to reduce pressure swings in penstock.