For diesel locomotives the range of horsepower is_______________?
(A) 50 to 200
(B) 500 to 1000
(C) 1500 to 2500
(D) 3000 to 5000
Which of the following is the voltage for single phase A.C. system ?
(A) 22 V
(B) 440 V
(C) 5 kV
(D) 15 kV
(D) None of the above
Main traction systems used in India are, those using______________?
(A) electric locomotives
(B) diesel engine locomotives
(C) steam engine locomotives
(D) diesel electric locomotives
(D) all of the above
The horsepower of steam locomotives is______________?
(A) up to 1500
(B) 1500 to 2000
(C) 2000 to 3000
(D) 3000 to 4000
The speed of a locomotive is controlled by_______________?
(A) flywheel
(B) gear box
(C) applying brakes 11.
(D) regulating steam flow to engine
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) 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 ?
(A) Static friction
(B) Backlash
(C) Saturation
(D) None of the above
Automatic signalling is used for which of the following trains ?
(A) Mail and express trains
(B) Superfast trains
(C) Suburban and Urban electric trains
(D) All trains
In case of steam engines the steam pressure is_______________?
(A) 1 to 4 kgf/cm2
(B) 5 to 8 kgf/cm2
(C) 10 to 15 kgf/cm2
(D) 25 to 35 kgf/cm2