Search
.Management Sciences
Category: Electrical Engineering Mcqs
The current in a Zener diode is limited by _______________?
A. External resistance
B. Power dissipation
C. Both (A) and (B)
D. None of the above
The effect of error damping is to______________?
A. provide larger settling lime
B. delay the response
C. reduce steady state error
D. any of the above
F. none of the above
The draught produced by chimney of given height at given outside temperature___________?
A. decreases if the chimney gas temperature increases
B. increases if the chimney gas temperature increases
C. remains same irrespective of chimney gas temperature
D. may increase or decrease
Susceptibility is positive for______________?
A. non-magnetic substances
B. diamagnetic substances
C. ferromagnetic substances
D. none of the above
In which of the following applications the load on motor changes in cyclic order ?
A. Electric shovels
B. Cranes
C. Rolling mills
D. All 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
In a series resonant band-pass filter, a lower value of Q results in______________?
A. a higher impedance
B. a smaller bandwidth
C. a higher resonant frequency
D. a larger bandwidth
In constant voltage charging method, the charging current from discharged to fully charged condition_____________?
A. decreases
B. increases
C. remains constant
D. none of the above
Recent Comments