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Worksheets

PSOC 24-25

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The area under the load curve represents ____________

a)

maximum demand

b)

load factor

c)

the average load on power system

d)

number of units generated

2.

Load duration curve indicates _______

a)

a) the variation of load during different hours of the day

b)

b) total number of units generated for the given demand

c)

c) total energy consumed by the load

d)

d) the number of hours for which the particular load lasts during a day

3.

During which time the demand of electrical energy is maximum?

a)

a) 2 A.M. to 5 A.M.

b)

b) 5 A.M. to 12 P.M.

c)

c) 12 P.M. to 7 P.M.

d)

d) 7 P.M. to 9 P.M

4.

What is Demand factor?

a)

a) Ratio of connected load to maximum demand

b)

b) Ratio of average load to connected load

c)

c) Ratio of maximum demand to the connected load

d)

d) Ratio of kilowatt hour consumed to 24 hours

5.

Which of the following represents the annual average load?

a)

a) (KWh supplied in a day)/24

b)

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

c)

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

d)

d) (KWh supplied in a year) / (24 × 365)

6.

The load factor is __________

a)

a) always less than unity

b)

b) less than or greater than 1

c)

c) always greater than 1

d)

d) less than zero

7.

In practice what is the value of diversity factor?

a)

a) Less than Unity

b)

b) Geater than Unity

c)

c) Equal to or greater than Unity

d)

d) Less than zero

8.

What is the objective of the economic dispatch problem?

a)

The objective of economic dispatch problem is to maintain the operating cost of active power generation.

b)

The objective of economic dispatch problem is to maximize the operating cost of active power generation.

c)


The objective of economic dispatch problem is to reduce the operating cost of active power generation.

d)

The objective of economic dispatch problem is to minimize the operating cost of active power generation.

9.

Economic distribution of loads between plants also know as _____________.

a)


unit commitment

b)

Coordination equation

c)

economic dispatch

10.

The rate of change of fuel cost with active power generation is called______________________.

a)

incremental rate

b)

incremental fuel-cost

c)


participation rate

d)

base point