Rectifiers and Converters

A. 2000 A
B. 1500 A
C. 1000 A
D. 500 A

A. colour of mercury
B. ionization
C. high temperature
D. electron streams

A. Voltage drop in transformer reactance
B. Voltage drop in resistance of transformer and smoothing chokes
C. Arc voltage drop
D. All of the above

A. Six-phase
B. Three-phase
C. Two-phase
D. Single-phase

A. one-third of a cycle
B. one-fourth of a cycle
C. one-half a cycle
D. two-third of a cycle

A. ions
B. electrons
C. ions and electrons
D. any of the above

A. straight line
B. curved line
C. exponential
D. none of the above

A. accelerates
B. decelerates
C. any of the above
D. none of the above

A. The voltage regulation of the rec¬tifier should be low
B. In the output circuit there should be no harmonics
C. The power factor of the system should be high
D. The rectifier supply transformer should be utilized to the best ad-vantage
E. all of the above

A. resistance
B. capacitance
C. leakage reactance
D. any of the above