2800Chemical EngineeringMedium
Circulation of gases in furnace is caused by the________?
AAll A., B. and C.
BDifference in density between hot and cold gases
CChange in volume during a change of temperature
DFurnace pressure in conjunction with draft in flues
Correct answer
A. All A., B. and C.
Explanation
The correct answer is All A., B. and C..