Power Plant Engineering (2171910) MCQs

MCQs of Economics of Power Generation

Showing 1 to 10 out of 23 Questions
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1.

The area under the load curve represents ____________.

(a)

the average load on the power system
(b)

maximum demand
(c)

number of units generated
(d)

load factor
Answer:

Option (c)

2.

Which of the following is equal to the maximum demand?

(a)

The ratio of area under the curve to the total area of a rectangle
(b)

The ratio of area under curve and number of hours
(c)

The peak of the load curve
(d)

The area under the curve
Answer:

Option (c)

3.

A load curve is a plot of

(a)

Load versus generation capacity
(b)

Load versus current
(c)

Load versus time
(d)

Load versus cost of power
Answer:

Option (c)

4.

 Load duration curve indicates _______.

(a)

the variation of load during different hours of the day
(b)

the total number of units generated for the given demand
(c)

total energy consumed by the load
(d)

the number of hours for which the particular load lasts during a da
Answer:

Option (d)

5.

Size and cost of installation depends upon ____________.

(a)

average load
(b)

maximum demand
(c)

square mean load
(d)

square of peak load
Answer:

Option (b)

6.

What is the Demand factor?

(a)

Ratio of the connected load to maximum demand
(b)

Ratio of average load to connected load
(c)

Ratio of maximum demand to the connected load
(d)

Ratio of kilowatt hour consumed to 24 hours
Answer:

Option (c)

7.

Which of the following represents the annual average load?

(a)

(KWh supplied in a day) / 24
(b)

{(KWh supplied in a day) / 24 } × 365
(c)

{(KWh supplied in a month) / (30 x 24)
(d)

(KWh supplied in a year) / (24 × 365)
Answer:

Option (d)

8.

The load factor is __________.

(a)

always less than unity
(b)

less than or greater than 1
(c)

always greater than 1
(d)

less than zero
Answer:

Option (a)

9.

In practice what is the value of diversity factor?

(a)

Less than Unity
(b)

Geater than Unity
(c)

Equal to or greater than Unity
(d)

Less than zero
Answer:

Option (b)

10.

For economy in generation power

(a)

diversity factor should be high
(b)

plant utilization factor
(c)

load factor should be high
(d)

load factor and diversity factor should be low
Answer:

Option (b)

Showing 1 to 10 out of 23 Questions
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