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Generation of Electrical Energy

Generation of Electrical Energy
The commonly used material of condenser tubes is

Aluminum
Admiralty brass
Mild steel
Cast iron

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Generation of Electrical Energy
Thermal efficiency of closed cycle gas turbine plant increases by

Regenerator
Reheating
Intercooling
All of these

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Generation of Electrical Energy
Basic unit of of energy is

Watt/sec
Joule
Watt
Joule/sec

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Generation of Electrical Energy
Blowing down of boiler water is the process

to increase the steam temperature
to reduce the boiler pressure
to control the solid concentration in the boiler water by removing some of the concentrated saline water
None of these

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Generation of Electrical Energy
The efficiency of a modern boiler using coal and heat recovery equipment is about

65 to 70%
85 to 90%
25 to 30%
40 to 50%

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Generation of Electrical Energy
Area under the daily load curve divided by 24 hrs gives

Average load
Maximum demand
Units generated
None of these

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