Search
.Management Sciences
A. Change in volume during a change of temperature
B. Difference in density between hot and cold gases
C. Furnace pressure in conjunction with draft in flues
D. All A., B. and C.
Related Mcqs:
- Scaling of furnace stock is reduced by _______________ in flue gas?
- A. CO B. H2 C. High CO/CO2 D. All A., B. & C....
- Turn down ratio of a burner____________________?
- A. Should be as low as possible i.e., 1 : 2 B. Should be 1:1 for a batch type furnace C. Is the ratio of maximum to minimum permissible heat input rates D. Is normally much more for a continuous furnace as compared to a batch furnace...
- Advantages of use of preheated combustion air are__________________?
- A. Saving in fuel consumption B. Reduction in scale losses C. Increase in flame temperature D. All A., B. and C....
- Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of__________________?
- A. Low emissivity B. High thermal conductivity C. Both A. and B. D. Neither A. nor B....
- Reducing atmosphere is maintained in a__________________?
- A. Calcination kiln B. Blast furnace C. Soaking pit D. L.D. converter...
Recent Comments