Which of the following methods is used to control temperature in resistance furnaces ?

Related Mcqs:

method has leading power factor____________?

A. Resistance heating B. Dielectric heating C. Arc heating D. Induction heating...

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...

In an electric press mica is used_____________?

A. as an insulator B. as a device for power factor improvement C. for dielectric heating D. for induction heating...

In arc furnace the function of choke is______________?

A. to stabilize the arc B. to imprpve, power factor C. to reduce severity of the surge D. none of the above...

Radiations from a black body are proportional to____________?

A. T1 B. T2 C. T3 D. T*...