Hamad Heating and Welding 03/04/2023 A. Copper B. Aluminium C. Brass D. Steel Related Mcqs: When a body reflects entire radiation incident on it, then it is known as____________?A. white body B. grey body C. black body D. transparent body... In an electric room heat convector the method of heating used is______________?A. arc heating B. resistance heating C. induction heating D. dielectric heating... In an electric press mica is used_____________?A. as an insulator B. as a device for power factor improvement C. for dielectric heating D. for induction heating... Direct arc furnaces have which of the following power factors ?A. Unity B. Low, lagging C. Low, leading D. Any of the above... It is desirable to operate the arc furnaces at power factor of_____________?A. zero B. 0.707 lagging C. unity D. 0.707 leading...
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