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Generation of Electrical Energy

Generation of Electrical Energy
Basic unit of of energy is

Joule/sec
Joule
Watt/sec
Watt

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Generation of Electrical Energy
The isentropic expansion of steam through nozzle for the steam initially dry saturated at inlet is approximated by equation.

pv
pv1A = C
pv1i = C
pv = C

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Generation of Electrical Energy
Pelton turbines are mostly

Vertical
Inclined
None of these
Horizontal

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Generation of Electrical Energy
Underfeed stokers work best for __________ coals high in volatile matter and with caking tendency

Lignite
Anthracite
Semi-bituminous and bituminous
All of these

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Generation of Electrical Energy
Reheat cycle in steam power plant is used to

improve condenser performance
reduce loss of heat
increase thermal efficiency
utilise heat of flue gases

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Generation of Electrical Energy
Francis turbine is usually used for

High heads
Low heads
Any of these
Medium heads

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