In the indirect resistance heating method, maximum heat-transfer takes place by____________?

Related Mcqs:

The material of the heating element for a furnace should have___________?

A. lower melting point B. higher temperature coefficient C. high specific resistance D. all of the above...

Which of the following has the highest value of thermal conductivity ?

A. Water B. Steam C. Sold ice D. Melting ice...

In a resistance furnace the atmosphere is_____________?

A. oxidizing B. deoxidising C. reducing D. neutral...

In direct arc furnace, which of the following has high value ?

A. Current B. Voltage C. Power factor D. All of the above...

For radiant heating around 2250°C, the heating elements are made of____________?

A. copper alloy B. carbon C. tungsten alloy D. stainless steel alloy...