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Unit 1-PSOC

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Demand factor of a plant is

a)

0

b)

1

c)

Less than 1

d)

Greater than 1

2.

What does a load duration curve represent?

a)

The variation of load during different hours of the day.

b)

Average load.

c)

The number of hours for which a particular lasts during the day.

d)

None of the above

3.

A thermal generating station has a installed capacity of 15 MW and supplies a daily load of 10 Mw for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for this station is

a)

1

b)

0.75

c)

0.67

d)

0.5

4.

The maximum demand on the power system is 100 MW. If the annual load factor is 40%. Calculate the total energy generated in a year

a)

3761 * 105 kWh

b)

4174 * 105 kWh

c)

3504 * 105 kWh

d)

3500 * 105 kWh

5.

When load factor and diversity factor increases ___________

a)

cost of electricity decreases

b)

cost of electricity also increases

c)

cost of electricity remains same

d)

cost of electricity increases exponential

6.

A generating station has a maximum demand of 100 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is

a)

10 MW

b)

20 MW

c)

80 MW

d)

15 MW

7.

The daily energy produced in thermal power station is 720 MWh at a load factor of 0.6. What is the maximum demand of the station?

a)

50 MW

b)

30 MW

c)

72 MW

d)

720 MW

8.

What is the shape of the load duration curve?

a)

Rectangular shape.

b)

Triangular shape

c)

Parabolic shape.

d)

Free hand sketch

9.

1. Which of the following is/are the base load plants?

a)

Thermal plants

b)

Nuclear plant

c)

Hydro plant

d)

All of the above

10.

1. A power station has a maximum demand of 15 MW. The plant capacity is 20 MW. Find the reserve capacity of the plant?

a)

5 MW

b)

15 MW

c)

20 MW

d)

10 MW