Computer Programming MCQs

5739 MCQs  (Page 206 of 574)

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
method has leading power factor____________?
A. Resistance heating
B. Dielectric heating
C. Arc heating
D. Induction heating
Which of the following is an advantage of heating by electricity ?
A. Quicker operation
B. Higher efficiency
C. Absence of flue gases
D. All of the above
Which of the following heating methods has maximum power factor ?
A. Arc heating
B. Dielectric heating
C. Induction heating
D. Resistance heating
is used for heating non-conducting materials?
A. Eddy current heating
B. Arc heating
C. Induction heating
D. Dielectric heating