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Generation of Electrical Energy

Generation of Electrical Energy
In coal preparation plant, magnetic separators are used to remove

Clinkers
Iron particles
Dust
Sand

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Generation of Electrical Energy
Economiser improve the boiler efficiency by

4 to 10%
1 to 5 %
13 to 15 %
10 to 12 %

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Generation of Electrical Energy
The average ash content in indian coals is about

15%
5%
10%
20%

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Generation of Electrical Energy
For the safety of a steam boiler the number of safety valves fitted are

one
three
four
two

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Generation of Electrical Energy
Example of overfeed type stoker is

all of these
spreader
chain grate
travelling grate

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Generation of Electrical Energy
The pressure at the furnace is minimum in case of

induced draught system
forced draught system
natural draught system
balanced draught system

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MORE MCQ ON Generation of Electrical Energy

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