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electrical power-I

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

Which of the following part of thermal power plant causes maximum energy losses?d) Condenser

a)

a) Alternator

b)

b) Ash and unburnt carbon

c)

c) Boiler

d)

d) Condenser

2.

Which of the following is most suitable fuel for thermal power plant?

a)

a) Bituminous coal

b)

b) Lignite coal

c)

c) Anthracite coal

d)

d) Peat coal

3.

Which of the following is most advantageous and most widely method of solid fuel firing?

a)

a) Spreader stoker firing

b)

b) Pulverised fuel firing

c)

c) Underfeed firing

d)

d) Stoker firing

4.

1 kilowatt hour (kWh)=______________

a)

36 x 10^6 watt-sec.

b)

36 x 10^4 watt-sec

c)

36 x 10^5 watt-sec

d)

36 x 10^3 watt-sec

5.

1 B.Th.U.=_____________________

a)

1052 Joules

b)

1053 Joules

c)

1054 Joules

d)

1055 Joules

6.

In case of solid and liquid fuels, the calorific value isexpressed in .

a)

cal/gm or kcal/kg

b)

cal/litre or kcal/litre

c)

gm/cal or kg/kcal

d)

litre/cal or litre/kcal

7.

which of the following solid fuel has highest carbon content ?

a)

lignite

b)

bituminous

c)

anthracite

d)

sub-bituminous

8.

Find out the incorrect statement?

a)

The handling of liquid fuels is easier and they require less storage space.

b)

The combustion of liquid fuels is nonuniform

c)

Liquid fuels pose problems in cold climates since the oil stored in the tanks is to be heated inorder to avoid the stoppage of oil flow.

d)

The firing of liquid fuels can be easily controlled. This permits to meet the variation in loaddemand easily

9.

which state has largest coal reserves in india?

a)

west bengal

b)

madhya pradesh

c)

odisha

d)

Jharkhand

10.

1 kWh = ..................... kcal

a)

860 × 10^3 kcalories

b)

860 × 10^3 calories

c)

860 × 10^ calories

d)

8600 kcalories