Which furnace employs preheating, heating and soaking zones ?

Related Mcqs:

Which of the following variables affects the furnace capacity ?

A. Temperature of flue gas B. Thermal conductivity of stock C. Thickness of heating stock D. All A., B. and C....

The electric furnace in which heat is produced by a combination of induced current and skin effect is called _____________ furnace?

A. Arc B. Resistance C. Low frequency induction D. High frequency induction...

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

A. 15 B. 40 C. 70 D. 85...

In a furnace employing forced draught as compared to induced draught______________________?

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

Fuel economy in an industrial furnace operation cannot be achieved by the use of__________________?

A. Stoichiometric combustion air B. Non-preheated combustion air C. Combustion air not enriched with oxygen D. Recuperators...