Which of the following is not a directly fired furnace ?

Related Mcqs:

Which of the following is a batch furnace ?

A. Cupola B. Reheating furnace C. Glass tank furnace D. None of these...

Regenerators are installed in_______________?

A. Coke ovens B. Open hearth furnace C. Both A. & B. D. Neither A. nor B....

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....

The main function of a muffle in the muffle furnace is to__________________?

A. Protect the charge from the effects of the products of combustion B. Smooth out temperature inequalities on the combustion side of the muffle wall C. Both A. & B. D. Neither A. nor B....

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....