Hearth furnaces are not used for____________________?

Related Mcqs:

Which of the following is not a recuperative furnace ?

A. Soaking pit B. Reheating furnace C. Steam boiler D. Coke oven...

Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above _____________ °C?

A. 250 B. 650 C. 850 D. 1000...

In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by__________________?

A. Conduction B. Convection C. Radiation D. Cannot be predicted...

Fuel used in B.F. stove is______________________?

A. Pulverised coal B. Furnace oil C. Blast furnace gas/mixed gas D. Coke oven gas...

Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing ?

A. Ash disposal problem B. Excessive fly ash discharge from the stack C. Higher power consumption in its transportation D. Erosion of induced draft fan blades...