1.
Properly of low temperature co-eflficient of heating element is desired due to which of the following reasons ?

2.
It is desirable to operate the arc furnaces at power factor of_____________?

3.
Ajax Wyatt furnace is started when____________?

4.
Radiations from a black body are proportional to____________?

5.
Which of the following methods is used to control temperature in resistance furnaces ?

6.
In arc furnace the function of choke is______________?

7.
Hysteresis loss and eddy current loss are used in____________?

8.
In electric press, mica is used because it is _________ conductor of heat but/and __________ conductor of electricity?

9.
In heating the ferromagnetic material by induction heating, heat is produced due to_____________?

10.
Resistance variation method of temperature control is done by connecting resistance elements in_____________?

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