Induction furnaces are employed for which of the following ?

Related Mcqs:

A perfect black body is one that_____________?

A. transmits all incident radiations B. absorbs all incident radiations C. reflects all incident radiations D. absorbs, reflects and transmits all incident radiations...

For the transmission of heat from one body to another__________?

A. temperature of the two bodies must be different B. both bodies must be solids C. both bodies must be in contact D. at least one of the bodies must have some source of heating...

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 a domestic cake baking oven the temperature is controlled by________________?

A. voltage variation B. thermostat C. auto-transformer D. series-parallel operation...

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...