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POWER PLANT ENGINEERING - ALL UNITS

Total questions: 51

Worksheet time: 25mins

Name
Class
Date
1.

Ratio of average load to Peak load is called

a)

Use factor

b)

load factor

c)

demand factor

d)

capacity factor

2.

Power station should supply

a)

Discontinuous power

b)

Interpreted power

c)

Continuous power

d)

Average power

3.

Power plant design should made on the condition of

a)

Economic condition

b)

Efficient condition

c)

Effectiveness

d)

none

4.

Plant investment cost is expressed on the basis of

a)

W

b)

KW

c)

MW

d)

none

5.

Operating cost of the power plant decreases when efficiency of the plant

a)

increases

b)

decreases

c)

decreases and increases

d)

no change

6.

Sum of all equipment located in customer house is called ________________

a)

Distributed load

b)

Single load

c)

connected load

d)

multiple load

7.

Tariff rate for energy consumption depends on

a)

Total energy consumed

b)

load factor

c)

option 1 and 2

d)

none

8.

The area under the _________ represents the energy generated in the period considered

a)

Demand curve

b)

Availability Curve

c)

Load curve

d)

All

9.

The method used to find the depreciation cost

a)

non syncing method

b)

Straight line method

c)

increasing value method

d)

none

10.

The plant capacity always design greater than __________

a)

Base load

b)

Average load

c)

Peak Load

d)

No load

11.

The prime duty of the designer is to produce power plant energy at

a)

highest price

b)

least price

c)

Average price

d)

not important

12.

Which factor decreases with the age of the plant

a)

use factor

b)

diversity factor

c)

load factor

d)

capacity factor

13.

The commercial sources of energy are

a)

solar, wind and biomass

b)

fossil fuels, hydropower and nuclear energy

c)

wood, animal wastes and agriculture wastes

d)

none of the above

14.

In regenerative cycle feed water is heated by

a)

exhaust gases

b)

heaters

c)

draining steam from the turbine

d)

all above

15.

Economiser is used to heat

a)

air

b)

feed water

c)

flue gases

d)

all above

16.

Bucket elevators are used for

a)

carrying coal in horizontal direction

b)

carrying coal in vertical direction

c)

carrying coal in any direction

17.

India first nuclear power plant was installed at

a)

Tarapore

b)

Kota

c)

Kalpakkam

d)

None

18.

When steam or water is used to run a turbine, it can generate __________________.

a)

Electricity

b)

Oil

c)

Geothermal Energy

d)

Uranium

19.

When steam or water is used to run a turbine, it can generate __________________.

a)

Electricity

b)

Oil

c)

Geothermal Energy

d)

Uranium

20.

In India, largest thermal power station is located at ____________.

a)

Kota

b)

Sarni

c)

Chandrapur

d)

Nevyeli

21.

A economizer in a boiler

a)

Increases steam pressure

b)

Increases steam flow

c)

Decreases steam pressure

d)

Decreases fuel consumption

22.

Intial cost of thermal power plant is __________ than nuclear power plant

a)

Higher

b)

lower

c)

more

d)

none

23.

Solid fuel used in ______________ power plants

a)

Thermal

b)

Hydro

c)

Diesel

d)

gas turbine power plant

24.

Water tubes in vertical boiler are __________

a)

horizontal

b)

vertical

c)

inclined

d)

none

25.

After coal preparation, the coal transfer through

a)

Belt conveyor

b)

screw conveyor

c)

Bucket conveyor

d)

All of the above

26.

Coal delivery, preparation, Coal handling, boiler furnace, ash handling, and ash storage consist of _____ circuit

a)

Air and flue

b)

Steam and water

c)

Coal and ash

d)

Cooling water

27.

Condenser steam from condenser is used as

a)

Fresh water

b)

Feed Water

c)

make up water

d)

All

28.

_________ is the main component of Diesel power plant.

a)

RADIATOR

b)

CARBURETTOR

c)

ENGINE

d)

GEAR

29.

What happen in combustion chamber?

a)

Fuel will injected and it burned with hot air.

b)

Air was compressed and getting hotter.

c)

Hot air rotate turbine blade.

d)

Air cooled to ambient temperature.

30.

What component is placed in between compressors?

a)

Regenerator

b)

Heat Exchanger

c)

Intercooler

d)

Reheater

31.

Which of the following are Non-Renewable energy resources? (Check all that apply.)

a)

coal

b)

wind

c)

solar

d)

nuclear

32.

One advantage of solar and wind power over fossil fuels is that

a)

wind and solar are presently much less expensive than fossil fuels.

b)

wind and solar come from natural processes and fossil fuels do not.

c)

wind and solar are nonrenewable resources and fossil fuel are renewable.

d)

wind and solar are continuously renewable and fossil fuels take millions of years to be formed.

33.

This energy is from moving air.

a)

Wind Energy

b)

Geothermal Energy

c)

Fossil Fuel Energy

d)

Biofuel

34.

This is the energy generated in the Earth's core and produces steam and hot water.

a)

Solar Energy

b)

Hydroelectric Power

c)

Fossil Fuels

d)

Geothermal

35.

Geothermal energy uses heat from ____ to produce electricity.

a)

the earth

b)

coal

c)

oil

d)

natural gas

36.

A photovoltaic cell captures ____ to be used for power.

a)

wind

b)

water

c)

coal

d)

sunlight

37.

Renewable energy resources produce less_____________ than fossil fuels.

a)

pollution

b)

energy

c)

wind

d)

light

38.

1. Which produces the tindal energy mainly?

a)

the force between the sun and moon

b)

the force between and air

c)

the force between the water and th earth

d)

the force between uribi and petro

39.

___________ is essential to reduce friction and wear of the rubbing parts

a)

Lubrication

b)

Cooling

c)

Intake

d)

Exchaust

40.

Advantage of gas Turbine Power plant

a)

less in size

b)

Install by long periods

c)

Hard to quick start

d)

less efficient

41.

Air fuel ratio of diesel fuel is

a)

6:1

b)

15:1

c)

25:1

d)

30:1

42.

Cooling of Gas Turbine Blades are to __________

a)

short life

b)

intermediate life

c)

long life

d)

none

43.

_________ control continuously to orient the rotor in the direction of wind

a)

Yaw control

b)

Anemometer

c)

Gear mechanism

d)

all

44.

A fuel cell is a ________

a)

Kinetic energy

b)

Potential energy

c)

an electrochemical device

d)

none

45.

Identify the suitable catalyst add in the fuel cell

a)

Aluminium

b)

Cast iron

c)

Platinum

d)

Ceramic

46.

Application of Geo thermal Energy

a)

Generation of electric power

b)

Space heating for buildings

c)

Industrial Process heat

d)

All of the above

47.

Fuel cell produces electricity directly from the reaction between _______ and __________

a)

H2 , N2

b)

Helium, N2

c)

H2, Helium

d)

H2, O2

48.

The middle chamber in the fuel cell is called

a)

Electrode

b)

Electrolyte

c)

cathode

d)

anode

49.

The temperature gradient present in the ocean to generate power is known as

a)

Solar

b)

Wind

c)

Tidal

d)

OTEC

50.

When the water is above the mean sea level, the tide is called

a)

Ebb

b)

Flood

c)

Low

d)

None

51.

Which one is considered as renewable energy resources.

a)

MHD generator

b)

Fuel cell

c)

Wave energy

d)

All

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