Maximum thermal efficiency of boiler may be about _____________ percent?

Related Mcqs:

An improved and fuel efficient version of the pusher type reheating furnace is the ______________ furnace?

A. Walking beam B. Shaft C. Tunnel D. Rotary hearth...

Combustion of fuel in a furnace with oxygen enriched air results in higher__________________?

A. Flue gas volume B. Flame temperature C. Fuel consumption D. Stack loss...

Thermal efficiency of a limestone calcination rotary kiln may be around ______________ percent?

A. 20 B. 40 C. 65 D. 80...

Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of__________________?

A. Low emissivity B. High thermal conductivity C. Both A. and B. D. Neither A. nor B....

An example of recuperative furnace is the__________________?

A. Soaking pit B. Open hearth furnace C. Coke ovens D. None of these...