A. resistance
B. capacitance
C. leakage reactance
D. any of the above
Related Mcqs:
- The internal efficiency of a mercury arc rectifier depends on___________?
A. voltage only
B. current only
C. voltage and current
D. r.m.s. value of current
E. none of the above - In a mercury arc rectifier, the anode is usually made of_____________?
A. copper
B. aluminium
C. silver
D. graphite
E. tungsten - Copper oxide rectifier is usually designed not to operate above___________?
A. 10°C
B. 20°C
C. 30°C
D. 45°C - In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of______________?
A. shunt motor
B. synchronous motor
C. induction regulator
D. synchronous generator - A mercury arc rectifier possesses __________ regulation characteristics
A. straight line
B. curved line
C. exponential
D. none of the above - In a mercury arc rectifier________ flow from anode to cathode
A. ions
B. electrons
C. ions and electrons
D. any of the above - If cathode and anode connections in a mercury arc rectifier are inter changed_____________?
A. the rectifier will not operate
B. internal losses will be reduced
C. both ion and electron streams will move in the same direction
D. the rectifier will operate at reduced efficiency - Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of _____________?
A. 100 A at 100 V
B. 200 A at 200 V
C. 300 A at 300 V
D. 400 A at 400 V
E. 500 A at 500 V - Normally, which of the following is used, when a large-scale conversion from AC. to D.C. power is required ?
A. Motor-generator set
B. Motor converter
C. Rotary converter
D. Mercury arc rectifier - A rotary converter combines the function of____________?
A. an induction motor and a D.C. generator
B. a synchronous motor and a D.C. generator
C. a D.C. series motor and a D.C. generator
D. none of the above
