A. Electricity
B. Blast furnace gas/mixed gas
C. Coke oven gas
D. Both B. and C.
Coke ovens in steel plant are heated by____________________? Read More »
Furnace Technology A. Weight heated/hr
B. Weight heated/furnace volume
C. Weight heated/hr/furnace volume
D. None of these
Specific heating capacity of a furnace is expressed as_____________________? Read More »
Furnace Technology A. Ton stock/hr/m2 hearth area
B. Ton stock/hr
C. Ton stock/m2 hearth area
D. Both B. and C.
Unit of furnace loading is____________________? Read More »
Furnace Technology A. 20
B. 40
C. 65
D. 80
A. 10
B. 25
C. 65
D. 90
Maximum thermal efficiency of boiler may be about _____________ percent? Read More »
Furnace Technology A. Saving in fuel consumption
B. Reduction in scale losses
C. Increase in flame temperature
D. All A., B. and C.
Advantages of use of preheated combustion air are__________________? Read More »
Furnace Technology A. 20
B. 40
C. 60
D. 80
A. Fire tube
B. Water tube
C. Waste heat
D. Natural circulation
Very high pressure boilers are usually _____________ boilers? Read More »
Furnace Technology A. Glass
B. Stainless steel
C. Potteries
D. Refractory bricks
A. Ingots
B. Coils
C. Sheets
D. Slabs
Soaking pits are meant for heating steel_________________? Read More »
Furnace Technology