⚡Electrical Engineering MCQs
Electrical Engineering MCQs
499 MCQs21
The speed of a superfast train is______________?
A60 kmph
B75 kmph
C100 kmph
Dmore than 100 kmph
22
Which of the following braking systems on the locomotives is costly ?
ARegenerative braking on electric locomotives
BVacuum braking on diesel locomotives
CVacuum braking on steam locomotives
DAll braking systems are equally costly
23
The coasting retardation is around_________________?
A0.16 km phps
B1.6 km phps
C16 km phps
D40 km phps
24
If the co-efficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails ?
A0.3
B0.26
C0.225
D0.16
25
Which of the following happens in Kando system ?
AC. is converted into
BSingle phase
CSingle phase supply is converted into three phase system
DNone of the above
26
Power for lighting in passanger coach, in a long distance electric train, is provided_________________?
Adirectly through overhead electric line
Bthrough individual generator of bogie and batteries
Cthrough rails
Dthrough locomotive
27
For which of the following locomotives the maintenance requirements are the least ?
ASteam locomotives
BDiesel locomotives
CElectric locomotives
DEqual in all of the above
28
In case of a steam engine an average coal consumption per km is nearly________________?
A150 to 175 kg
B100 to 120 kg
C60 to 80 kg
D28 to 30 kg
29
Suri transmission is_________________?
Aelectrical-pneumatic
Bmechanical-electrical
Chydro-mechanical
Dhydro-pneumatic
30
For 25 kV single phase system power supply frequency is_______________?
A60 Hz
B50 Hz
C25 Hz
D16 Hz