Furnace Technology
Waste heat from the outgoing flue gases in a thermal power plant is recovered by a/an

Steam superheater
All of these
Air preheater
Economiser

ANSWER DOWNLOAD EXAMIANS APP

Furnace Technology
In a furnace employing forced draught as compared to induced draught,

The fan operates hot and hence blades are liable to corrosion and erosion
None of these
Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced
Positive pressure exists in the furnace

ANSWER DOWNLOAD EXAMIANS APP