A. Soaking pit
B. Reheating furnace
C. Open hearth furnace
D. Cupola
Which furnace employs preheating, heating and soaking zones ? Read More »
Furnace Technology A. Glass melting furnace
B. Open hearth furnace
C. By product coke ovens
D. All A., B. and C.
Regenerators are normally provided in the____________________? Read More »
Furnace Technology A. Supply of excess fuel
B. Supply of excess air
C. Burning carbon monoxide and other incombustible in upper zone of furnace by supplying
more air
D. None of these
Overfire burning in a furnace is a phenomenon characterised by____________________? Read More »
Furnace Technology A. Coke ovens
B. Annealing furnace
C. Glass tank furnace
D. None of these
Which is a continuous furnace ? Read More »
Furnace Technology A. Range of fuel firing rates
B. Volume of the combustion chamber
C. Maximum heat input rate only
D. Minimum heat input rate only
Turndown ratio of a burner gives an idea of the ______________ in the furnace? Read More »
Furnace Technology A. Updraft kiln
B. Muffle furnace
C. Continuous furnace
D. None of these
A. Shaft furnace
B. Rotary hearth furnace
C. Tunnel kiln
D. Muffle furnace
Large tonnage of refractory bricks are dried in a_____________________? Read More »
Furnace Technology A. Sidefired
B. Underfired
C. Covered
D. Recirculating
A. Sankey diagram
B. Cox chart
C. Ostwald chart
D. None of these
Which one shows the diagrammatic heat balance in a furnace ? Read More »
Furnace Technology A. Conduction
B. Natural convection
C. Radiation of heat from the roof of the combustion chamber
D. None of these
In reverberatory furnace, charge is heated mainly by__________________? Read More »
Furnace Technology