If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an ______________ furnace?

Related Mcqs:

In salt bath furnace, heat is transferred to the charge mainly by __________________?

A. Conduction B. Convection C. Radiation D. None of these...

Which of the following is not a directly fired furnace ?

A. By-product coke oven B. Calcination kiln C. Sintering furnace D. Open hearth furnace...

The rate of scaling of furnace stock depends upon the_________________?

A. Temperature B. Time C. Nature of atmosphere D. All A., B. and C....

Which is a regenerative furnace ?

A. Coke oven heating chamber B. Open hearth furnace C. Both A. and B. D. Neither A. nor B....

Which is a continuous furnace ?

A. Coke ovens B. Annealing furnace C. Glass tank furnace D. None of these...