1.In India largest thermal power station is located at

Kota

Sarni

Chandrapur

NeyveliANSWER : : Chandrapur

Explanation :

2.In a regenerative feed heating cycle, the greatest economy is affected

when steam is extracted from only one suitable point of steam turbine

when steam is extracted from several places in different stages of steam turbine

when steam is extracted only from the last stage of steam turbine

when steam is extracted only from the first stage of steam turbineANSWER : : when steam is extracted from several places in different stages of steam turbine

Explanation :

3.Thorium Breeder Reactors are most suitable for India because

these develop more power

its technology is simple

abundance of thorium deposits are available in India

these can be easily designedANSWER : : abundance of thorium deposits are available in India

Explanation :

4.The maximum percentage gain in Regenerative feed heating cycle thermal efficiency

increases with number of feed heaters increasing

decreases with number of feed heaters increasing

remains same unaffected by number of feed heaters

none of the above

ANSWER : : increases with number of feed heaters increasing

Explanation :

5.Regenerative cycle thermal efficiency

is always greater than simple Rankine thermal efficiency

is greater than simple Rankine cycle thermal efficiency only when steam is bled

rticular pressure

is same as simple Rankine cycle thermal efficiency

ANSWER : 4 is always less than simple Rankine cycle thermal efficiency

Exam2win > Engineering   > Electrical Engineering   > Power Plant Engineering   > part1 Part 1 Part 2

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Electrical Engineering : Power Plant Engineering QUESTIONS AND ANSWERS :: part1 : 6 to 10

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

6.India's first nuclear power plant was installed at

Tarapore

Kota

Kalpakkam

none of the aboveANSWER : : Tarapore

Explanation :

7.The main source of production of biogas is

human waste

wet cow dung

wet livestock waste

all aboveANSWER : : all above

Explanation :

8.The percentage O2 by Veight in atmospheric air is

18%

23%

77%

79%ANSWER : : 23%

Explanation :

9.The proper indication of incomplete combustion is

high CO content in flue gases at exit

high CO2 content in flue gases at exit

high temperature of flue gases

the smoking exhaust from chimneyANSWER : : high CO content in flue gases at exit

Explanation :

10.In fuel cell, the ______ energy is converted into electrical energy.

mechanical

chemical

heat

soundANSWER : : chemical

Explanation :

Exam2win > Engineering   > Electrical Engineering   > Power Plant Engineering   > part1 Part 1 Part 2

Part 3

Part 4

Power Plant Engineering QUESTIONS AND ANSWERS

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Electrical Engineering : Power Plant Engineering QUESTIONS AND ANSWERS :: part1 : 11 to 15

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

11.Rankine efficiency of a steam power plant

improves in summer as compared to that in winter

improves in winter as compared to that in summer

is unaffected by climatic conditions

none of the above

12.Rankine cycle efficiency of a good steam power plant may be in the range of

15 to 20 per cent

35 to 45 per cent

70 to 80 per cent

90 to 95 per ceut

13.In Rankine cycle the work output from the turbine is given by

change of internal energy between inlet and outlet

change of enthaply between inlet and outlet

change of entropy between inlet and outlet

change of temperature between inlet and outlet

14.Solar thermal power generation can be achieved by

using focusing collector or heliostates

using flat plate collectors

using a solar pond

any of the above system

15.

wood, animal wastes and agriculture wastes

solar, wind and biomass

either (a) or (b)

neither (a) or (b)

16.Carnot cycle comprises of

two isentropic processes and two constant volume processes

two isentropic processes and two constant pressure processes

two isothermal processes and three constant pressure processes

none of the above

17.The percentage 02 by volume in atmosphere air is

21%

23%

77%

79%

18.Mercury is a choice with steam in binary vapour cycle because it has

higher critical temperature and pressure

higher saturation temperature than other fluids

relatively low vapourisation pressure

all above

19.In regenerative cycle feed water is heated by

exhaust gases

heaters

draining steam from the turbine

all above

20.In a regenerative feed heating cycle, the optimum value of the fraction of steam extracted for feed

heating

decreases with increase in Rankine cycle efficiency

increases with increase in Rankine cycle efficiency

is unaffected by increase in Rankine cycle efficiency

none of the above

11.Rankine efficiency of a steam power plant

improves in summer as compared to that in winter

improves in winter as compared to that in summer

is unaffected by climatic conditions

none of the aboveANSWER : : improves in winter as compared to that in summer

Explanation :

12.Rankine cycle efficiency of a good steam power plant may be in the range of

15 to 20 per cent

35 to 45 per cent

70 to 80 per cent

90 to 95 per ceutANSWER : : 35 to 45 per cent

Explanation :

13.In Rankine cycle the work output from the turbine is given by

change of internal energy between inlet and outlet

change of enthaply between inlet and outlet

change of entropy between inlet and outlet

change of temperature between inlet and outletANSWER : : change of enthaply between inlet and outlet

Explanation :

14.Solar thermal power generation can be achieved by

using focusing collector or heliostates

using flat plate collectors

using a solar pond

any of the above systemANSWER : : any of the above system

Explanation :

15.

wood, animal wastes and agriculture wastes

solar, wind and biomass

either (a) or (b)

neither (a) or (b)ANSWER : : wood, animal wastes and agriculture wastes

Explanation :

21.The overall efficiency of thermal power plant is equal to

Rankine cycle efficiency

Carnot cycle efficiency

Regenerative cycle efficiency

Boiler efficiency x turbine efficiency x generator efficiencyANSWER : : Regenerative cycle efficiency

Explanation :

22.Reheat cycle in steam power plant is used to

utilise heat of flue gases

increase thermal efficiency

improve condenser performance

reduce loss of heatANSWER : : increase thermal efficiency

Explanation :

23.The energy radiated by sun on a bright sunny day is approximately

700 W/m2

800 W/m2

1 kW/m2

2 kW/m2ANSWER : : 1 kW/m2

Explanation :

24.Rankine cycle operating on low pressure limit ofpi an 1 high pressure limit of p2

has higher the rnal efficiency than the carnot cycie operating between same

ure limits

has lower the"nal efficiency than carnot cycle operating between same pressure

?ANSWER : 3 has same thermal efficiency as carnot cycle operating between same pressure limits

Explanation :