# Electrical Power Generation MCQs Part 11

Electrical Power Generation MCQs Part 11. Electrical Engineering MCQs on Power Generation.

## The primary source of energy is

The primary source of energy is:

1. Water
2. Sun
3. Coal
4. Air

Correct answer: 2. Sun

## The cleanest power plant is

The cleanest power plant is:

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

Correct answer: 3. Hydroelectric power plant

## Diesel power plants are commonly employed as

Diesel power plants are commonly employed as:

1. Peak load power plants
2. Base load power plants
3. Stand-by load power plants
4. None of these

Correct answer: 3. Stand-by load power plants

## Fuel transportation cost is the least consideration for

Fuel transportation cost is the least consideration for:

1. Diesel power plants
2. Nuclear power plants
3. Hydroelectric power plants
4. Steam power plants

Correct answer: 3. Hydroelectric power plants

## The overall efficiency of steam power plant is ___________ its thermal efficiency

The overall efficiency of steam power plant is ___________ its thermal efficiency

1. Same as
2. More than
3. Less than
4. None of above

Correct answer: 3. Less than

## The load factor (LF), average load (AL) and maximum demand (MD) are related mathematically by the formula

The load factor (LF), average load (AL) and maximum demand (MD) are related mathematically by the formula:

1. LF = AL * MD
2. LF = AL/MD
3. LF = AL + MD
4. LF = AL – MD

Correct answer: 2. LF = AL/MD

## Usually the load factor is

Usually the load factor is:

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

## Control rods employed in nuclear reactors are made of

Control rods employed in nuclear reactors are made of:

1. Lead
2. Boron
3. Zinc
4. Beryllium

Correct answer: 2. Boron

## As load factor of power plant increases, the electric power generation cost per kWh

As load factor of power plant increases, the electric power generation cost per kWh:

1. Increases
2. Decreases
3. Remains the same
4. Any of above

Correct answer: 2. Decreases