Which is not accomplished in an underfired furnace ?

Furnace Technology 26/04/2021

A. Increase in heating capacity/m2 of floor space
B. Elimination of cold spot at the bottom of the charge
C. Reduction in the temperature of furnace gases
D. Protection of the periphery of the charge from excessive radiation

Related Mcqs:

    The heating capacity of muffle furnace depends on the____________________?
    A. Surface area & emissivity of the stock B. Properties of the muffle wall (temperature, area, and emissivity) C. Both A. & B. D. Neither A. nor B....
    Rotary kilns are used in the____________________?
    A. Calcination of limestone & dolomite B. Cement manufacture C. Both A. and B. D. Neither A. nor B....
    The rate of scaling of furnace stock depends upon the_________________?
    A. Temperature B. Time C. Nature of atmosphere 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....

Leave a Reply

Your email address will not be published. Required fields are marked *