Rectifiers and Converters MCQs with answers for Electrical Engineering. Includes wave rectifiers and converters MCQs.
The free wheeling diode is not required in ___ rectifier ?
A. Uncontrolled
B. Controlled
C. Both a and b
D. NoneWhat is the full form of RFI ?
A. Radio Frequency Interrupt
B. Receiver Frequency Interference
C. Radio Frequency Interference
D. None of the aboveThe power delivery and efficiency is low in ______ phase rectifier ?
A. Single
B. Three
C. Seven
D. NoneThe additional filters are required in _____ phase filter ?
A. Single
B. Three
C. Both a and b
D. None of themThe transformer utilization factor is less in _____ phase rectifier.
A. Single
B. Three
C. Both a and b
D. NoneThe input is a ______ wire supply in single phase rectifier ?
A. Four
B. Five
C. Three
D. TwoIn a rotary converter armature currents are ____.
A. partly a.c. and partly d.c.
B. a.c. only
C. d.c. only
D. None of themIn a mercury arc rectifier____ flow from anode to cathode.
A. ions and electrons
B. ions
C. electrons
D. any of the aboveIn which of the following appUcations, direct current is absolutely essential?
A. Variable speed operation
B. Traction
C. Electrolysis
D. IlluminationThe ionization potential of mercury is approximately ____.
A. 16.4 V
B. 10.4 V
C. 5.4 V
D. 8.4 V