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

Related Mcqs:

_________ has the highest value of thermal conductivity?

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

In induction heating ___________ is abnormally high?

A. phase angle B. frequency C. current D. voltage...

A non-dimensional number generally associated with natural convection heat transfer is____________?

A. Prandtl number B. Grashoff number C. Pecelet number D. Nusselt number...

Radiant heating is used for which of the following ?

A. Annealing of metals B. Melting of ferrous metals C. Heating of liquids in electric kettle D. Drying of paints and varnishes...

Ajax Wyatt furnace is started when____________?

A. it is filled below core level B. it is filled above core level C. it is fully empty D. none of the above...