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

Related Mcqs:

_________ has the highest value of thermal conductivity?

A. Copper B. Aluminium C. Brass D. Steel...

By which of the following methods the temperature inside arc nace can be varied ?

A. By disconnecting some of the heating elements B. By varying the operating voltage C. By varying the current through heating elements D. By any of the above method...

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...

By the use of which of the following, high frequency power supply for induction furnaces can be obtained ?

A. Coreless transformers B. Current transformers C. Motor-generator set D. Multi-phase transformer...

Resistance variation method of temperature control is done by connecting resistance elements in_____________?

A. series B. parallel C. series-parallel connections D. star-delta connections E. all of the above ways...