Which of the following furnaces will have maximum thermal efficiency ?

Related Mcqs:

Main gas valve in a gaseous fuel burner is a ______________ valve?

A. Gate B. Butterfly C. Globe D. None of these...

In a muffle furnace, the muffle_________________?

A. Retards the heat transfer B. Assists in temperature equalisation in the charge C. Permits the use of controlled atmosphere for the protection of stock D. All A., B. and C....

While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about _____________ °C?

A. 2000 B. 3000 C. 4500 D. 6000...

Use of pulverised coal in boilers provides____________________?

A. Higher calorific value B. Better combustion C. Smokeless burning D. Less erosion on furnace wall...

Ingress of cold air in the furnaces through cracks, charging doors, openings etc ________________?

A. Reduces the flue gas temperature and makes the furnace atmosphere oxidising B. Increases the load on the induced draft fan C. Reduces the furnace draught D. All A., B. and C....