Power Plant Engineering (2171910) MCQs

MCQs of Economics of Power Generation

Showing 11 to 20 out of 23 Questions
1 2 3
11.

The load of a consumer is generally measured in terms of

(a)

Volts
(b)

Amperes
(c)

Ampere hour
(d)

kW
Answer:

Option (d)

12.

Which of the following category of consumers can provide the highest load factor?

(a)

A domestic consumer
(b)

A continuous process plant
(c)

A steel melting unit using arc furnace
(d)

A cold storage plant
Answer:

Option (b)

13.

The normal connected load of a domestic consumer is usually

(a)

up to 10 kW
(b)

10 to 20 kW
(c)

25 to 50 kW
(d)

50 to 100 kW
Answer:

Option (a)

14.

Load factor during a period is

(a)

Average Load / Installed Capacity
(b)

Average Load / Maximum Load
(c)

Maximum Load / Average Load
(d)

Maximum Load / Installed Capacity
Answer:

Option (b)

15.

Which of the following installation provides peaked load?

(a)

Arc furnace
(b)

Air conditioner
(c)

Air compressor running continuously
(d)

Cold storage plant
Answer:

Option (a)

16.

During summer months the increased load is due to

(a)

increased water supply
(b)

vacations in institutions
(c)

increased business activity
(d)

increased use of fans and air conditioners.
Answer:

Option (d)

17.

In a system if the base load is the same as the maximum demand, the load factor will be

(a)

1
(b)

zero
(c)

Infinity
(d)

1 percent
Answer:

Option (a)

18.

A system having a connected load of 100 kW, peak load of 80 kW, base load of 20 kW and average load of 40 kW, will have a load factor of

(a)

40%
(b)

50%
(c)

60%
(d)

80%
Answer:

Option (b)

19.

The load curve is useful in deciding the

(a)

Operating schedule of generating units
(b)

Sizes of generating units
(c)

Total installed capacity of the plant
(d)

All of these
Answer:

Option (d)

20.

The tariff is best defined as

(a)

The duty imposed on exporting electrical equipment
(b)

The rate at which electricity is supplied to the consumer
(c)

A set of rules explaining the pros and cons of using a specific rating of alternators
(d)

None of these
Answer:

Option (b)

Showing 11 to 20 out of 23 Questions
1 2 3