The horsepower of steam locomotives is______________?
A. up to 1500
B. 1500 to 2000
C. 2000 to 3000
D. 3000 to 4000
Electrical Engineering Mcqs
The speed of a locomotive is controlled by_______________?
The speed of a locomotive is controlled by_______________?
A. flywheel
B. gear box
C. applying brakes 11.
D. regulating steam flow to engine
_________ locomotive has the highest operational availability?
_________ locomotive has the highest operational availability?
A. Electric
B. Diesel
C. Steam
The overall efficiency of steam locomotive is around_____________?
The overall efficiency of steam locomotive is around_____________?
A. 5 to 10 percent
B. 15 to 20 percent
C. 25 to 35 percent
D. 35 to 45 percent
A.C. servomotor is basically a____________?
A.C. servomotor is basically a____________?
A. universal motor
B. single phase induction motor
C. two phase induction motor
D. three phase induction motor
Which of the following is the non-linearity caused by servomotor ?
Which of the following is the non-linearity caused by servomotor ?
A. Static friction
B. Backlash
C. Saturation
D. None of the above
Which of the following is the best method for determining the stability and transient response ?
Which of the following is the best method for determining the stability and transient response ?
A. Root locus
B. Bode plot
C. Nyquist plot
D. None of the above
The type 0 system has ___________ at the origin?
The type 0 system has ___________ at the origin?
A. no pole
B. net pole
C. simple pole
D. two poles
F. none of the above
The position and velocity errors of a type-2 system are_____________?
The position and velocity errors of a type-2 system are_____________?
A. constant, constant
B. constant, infinity
C. zero, constant
D. zero, zero
Phase margin of a system is used to specify which of the following ?
Phase margin of a system is used to specify which of the following ?
A. Frequency response
B. Absolute stability
C. Relative stability
D. Time response