Computer Programming MCQs

A. High reluctance
B. Low reactance
C. High resistance
D. Low resistance

A. Special test
B. Routine test
C. Type test
D. None of the above

A. Leading power factor
B. Lagging power factor
C. Unity power factor
D. Zero power factor

A. Core insulation voltage test
B. Impedance test
C. Radio interference test
D. Polarity test

A. Low voltage side of high kva transformers
B. High frequency transformers
C. High voltage side of small capacity transformers
D. High voltage side of high kva rating transformers

A. Core loss
B. Friction loss
C. Eddy current loss
D. Hysteresis loss

A. Core
B. Windings
C. Tank
D. Any of the above

A. Load changes
B. Oil in the transformer
C. Magnetostriction
D. Mechanical vibrations

A. Temperature rise
B. Dielectric strength of oil
C. Voltage ratio
D. Copper loss

A. Copper loss becomes high in proportion to the output
B. Iron loss is increased considerably
C. Voltage drop both in primary and secondary becomes large
D. Secondary output is much less as compared to primary input