_________ has the highest value of thermal conductivity?

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...

In an electric room heat convector the method of heating used is______________?

A. arc heating B. resistance heating C. induction heating D. dielectric heating...

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...

Direct arc furnaces have which of the following power factors ?

A. Unity B. Low, lagging C. Low, leading D. Any of the above...

It is desirable to operate the arc furnaces at power factor of_____________?

A. zero B. 0.707 lagging C. unity D. 0.707 leading...