Which of the following insulating materials was suitable for low temperature applications ?

Related Mcqs:

Which of the following heating methods has maximum power factor ?

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

In a resistance furnace the atmosphere is_____________?

A. oxidizing B. deoxidising C. reducing D. neutral...

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...