In resistance heating highest working temperature is obtained from heating elements made of_____________?

Related Mcqs:

When a body reflects entire radiation incident on it, then it is known as____________?

A. white body B. grey body C. black body D. transparent body...

For intermittent work which of the following furnaces is suitable ?

A. Indirect arc furnace B. Core less furnace C. Either of the above D. None of the above...

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

A. radiation B. convection C. conduction D. any 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...

Properly of low temperature co-eflficient of heating element is desired due to which of the following reasons ?

A. To avoid initial rush of current B. To avoid change in kW rating with temperature C. Both (A) and (B) D. Either (A) or (B)...