Higher furnace temperature cannot be achieved by use of a lean fuel gas in the furnace by_________________?

Related Mcqs:

In salt bath furnace, heat is transferred to the charge mainly by __________________?

A. Conduction B. Convection C. Radiation D. None of these...

Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C ?

A. 5 B. 60 C. 20 D. 40...

The reason for excessive clinker formation in gas producers is the_____________________?

A. Use of coal/coke containing a high % of fines and ash B. Use of fuel having too low an ash fusion temperature C. Development of hot spots in the fuel bed and an abnormally high rate of gasification D. All A., B. and C....

Example of an indirectly heated furnace is__________________?

A. Hood annealing furnace B. Muffle furnace C. Both A. and B. D. Neither A. nor B....

To reduce the stack loss, heat recovery from flue gas can be done by_____________________?

A. Preheating of cold stock B. Preheating of combustion air C. Steam generation in waste heat boilers D. All A., B. and C....