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.Management Sciences
A. to stabilize the arc
B. to imprpve, power factor
C. to reduce severity of the surge
D. none of the above
Related Mcqs:
- Which of the following methods of heating is not dependent on the frequency of supply ?
- A. Induction heating B. Dielectric heating C. Electric resistance heating D. All of the above...
- 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 room heat convector the method of heating used is______________?
- A. arc heating B. resistance heating C. induction heating D. dielectric heating...
- 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...
- Direct arc furnaces have which of the following power factors ?
- A. Unity B. Low, lagging C. Low, leading D. Any of the above...
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