Flue gas outlet temperature from the chimney of any furnace should be ideally about ______________ °C?

Related Mcqs:

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...

Power required in case of forced draught as compared to induced draught (for the same draught produced) is___________________?

A. Same B. Less C. More D. Either more or less; depends on the flue gas density...

Circulation of gases in furnace is caused by the_________________?

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....

Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about _____________ percent?

A. < 2 B. < 5 C. < 8 D. < 10...

An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called ____________ furnace?

A. Resistance B. Arc C. Low frequency induction D. None of these...