Properly of low temperature co-eflficient of heating element is desired due to which of the following reasons ?
It is desirable to operate the arc furnaces at power factor of_____________?
Ajax Wyatt furnace is started when____________?
Radiations from a black body are proportional to____________?
Which of the following methods is used to control temperature in resistance furnaces ?
In arc furnace the function of choke is______________?
Hysteresis loss and eddy current loss are used in____________?
In electric press, mica is used because it is _________ conductor of heat but/and __________ conductor of electricity?
In heating the ferromagnetic material by induction heating, heat is produced due to_____________?
Resistance variation method of temperature control is done by connecting resistance elements in_____________?
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