# Power System MCQs – Multiple Choice Questions on Power Systems

Power System MCQ Questions

## Variable load on power system results in

Variable load on power system results in:

1. Increase in production cost
3. Both of these
4. None of these

Correct answer: 3. Both of these

## A curve showing the variation of load on the electric power station with respect to time is known as

A curve showing the variation of load on the electric power station with respect to time is known as:

1. Power curve
2. Hydro curve
4. All of above

## Area under the daily load curve divided by the total number of hours provides

Area under the daily load curve divided by the total number of hours provides:

2. Daily Maximum demand
4. None of these

## Sum of continuous ratings of all the equipment connected to electric power system is defined as

Sum of continuous ratings of all the equipment connected to electric power system is defined as:

1. Maximum demand

## Demand factor is mathematically defined as

Demand factor is mathematically defined as:

1. Demand factor = Maximum demand * Connected load
2. Demand factor = Maximum demand/Connected load
3. Demand factor = Maximum demand + Connected load
4. Demand factor = Maximum demand – Connected load

## Load factor is mathematically defined as

Load factor is mathematically defined as:

## Higher the load factor of electric power station, the _________ will be the cost per unit generated

Higher the load factor of the electric power station, the _________ will be the cost per unit generated:

1. Higher
2. Lesser

## The ratio of the sum of individual maximum demands to the maximum demand on power station is known as the diversity factor

The ratio of the sum of individual maximum demands to the maximum demand on power station is known as the diversity factor:

1. Plant capacity factor
2. Diversity factor
4. Maximum demand

## Which of the following is correct regarding diversity factor

Which of the following is correct regarding diversity factor:

1. It is always smaller than 1
2. It is always equal to 1
3. It is always equal to zero

Correct answer: 1. It is always greater than 1

## The greater the diversity factor, the ________ is the cost of generation of power

The greater the diversity factor, the ________ is the cost of generation of power:

1. Higher
2. Lesser
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