Coke ovens in steel plant are heated by____________________?
Coke ovens in steel plant are heated by____________________? A. Electricity B. Blast furnace gas/mixed gas C. Coke oven gasD. Both B. and C.
Coke ovens in steel plant are heated by____________________? A. Electricity B. Blast furnace gas/mixed gas C. Coke oven gasD. Both B. and C.
Specific heating capacity of a furnace is expressed as_____________________? A. Weight heated/hr B. Weight heated/furnace volumeC. Weight heated/hr/furnace volume D. None of these
Unit of furnace loading is____________________? A. Ton stock/hr/m2 hearth area B. Ton stock/hr C. Ton stock/m2 hearth area D. Both B. and C.
Thermal efficiency of a limestone calcination rotary kiln may be around ______________ percent? A. 20B. 40 C. 65 D. 80
Maximum thermal efficiency of boiler may be about _____________ percent? A. 10 B. 25 C. 65D. 90
Advantages of use of preheated combustion air are__________________? A. Saving in fuel consumption B. Reduction in scale losses C. Increase in flame temperatureD. All A., B. and C.
Thermal efficiency of blast furnace stoves used for heating blast (air) may be about _____________ percent? A. 20 B. 40 C. 60D. 80
Very high pressure boilers are usually _____________ boilers? A. Fire tube B. Water tube C. Waste heatD. Natural circulation
Pot furnace which is either regenerative or recuperative, is used in the manufacture of____________________? A. Glass B. Stainless steel C. Potteries D. Refractory bricks
Soaking pits are meant for heating steel_________________? A. Ingots B. Coils C. Sheets D. Slabs