The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about ____________ percent?

Related Mcqs:

The thermal efficiency of an air/fuel gas preheating recuperator may be as high as _____________ percent?

A. 50 B. 65 C. 85 D. 99...

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....

Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the__________________?

A. Physical nature, ash content and fineness of the coal B. Amount of excess air supplied and load on the boiler C. Type of burner and combustion chamber D. All A., B. and C....

Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace ?

A. Economiser B. Regenerator C. Ceramic recuperator D. Waste heat boiler...

Fuel economy in furnaces can be achieved by_________________?

A. Using oxygen enriched combustion air B. Preheating the combustion air C. Reducing the heat loss through furnace openings & doors D. All A., B. and C....