Induction heating process is based on which of the following principles ?

Related Mcqs:

Heat is transferred simultaneously by condition, convection and radiation_____________?

A. inside boiler furnaces B. during melting of ice C. through the surface of the insulted pipe carrying steam D. from refrigerator coils to freezer of a refrigerator...

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

A. radiation B. convection C. conduction D. any of the above...

For heating element high resistivity material is chosen to______________?

A. reduce the length of heating element B. increase the life of the heating element C. reduce the effect of oxidation D. produce large amount of heat...

Due to which of the following reasons it is desirable to have short arc length ?

A. To achieve better heating B. To increase the life of roof refractory C. To have better stirring action D. To reduce problem of oxidation E. All of the above...

In electric press, mica is used because it is _________ conductor of heat but/and __________ conductor of electricity?

A. bad, good B. bad, bad C. good, bad D. good, good...