Waste heat from the outgoing flue gases in a thermal power plant is recovered by a/an_________________?

Question: Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the
[A].

quantity & temperature of waste gas.

[B].

dust concentration & nature of dust in waste gas.

[C].

corrosive nature of the waste gas.

[D].

all (a), (b) and (c).

Answer: Option B

Explanation:

No answer description available for this question.

Question: Maximum thermal efficiency of boiler may be about __________ percent.
[A].

10

[B].

25

[C].

65

[D].

90

Answer: Option D

Explanation:

No answer description available for this question.

Question: In low or standard frequency induction furnace, heat is produced by the
[A].

combination of induced current and skin effect.

[B].

induction and resistance.

[C].

current flow through a heating element.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Large tonnage of refractory bricks are dried in a
[A].

shaft furnace

[B].

rotary hearth furnace

[C].

tunnel kiln

[D].

muffle furnace

Answer: Option C

Explanation:

No answer description available for this question.