Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of_________________?

Related Mcqs:

Which is not a hearth furnace ?

A. Glass tank furnace B. Open hearth furnace C. Cupola D. Reheating furnace...

Reheating furnace (pusher type) is used for heating_____________________?

A. Ingots B. Slabs C. Steel coils D. Steel sheets...

Circulation of gases in furnace is caused by the_________________?

A. Change in volume during a change of temperature B. Difference in density between hot and cold gases C. Furnace pressure in conjunction with draft in flues D. All A., B. and C....

Fuel used in B.F. stove is______________________?

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

A refractory wall separating the stock and the source of heat is provided in a__________________?

A. Updraft kiln B. Muffle furnace C. Continuous furnace D. None of these...