⚡Electrical Engineering MCQs
Electrical Engineering MCQs
499 MCQs31
Locomotives with monometer bogies have_________________?
Auneven distribution of tractive effect
Bsuitability for passanger as well as freight service
Clot of skidding
Dlow co-efficient of adhesion
32
________________ frequency is not common in low frequency traction system?
A40 Hz
B25 Hz
C16 Hz
Dnon of these
33
Locomotive having monomotor bogies________________?
Ahas better coefficient of adhesion
Bare suited both for passanger as well as freight service
Chas better riding qualities due to the reduction of lateral forces
Dhas all above qualities
34
Specific energy consumption is affected by which of the following factors ?
ARetardation and acceleration values
BGradient
CDistance between stops
DAll of the above
35
Specific energy consumption is least in ________________ service?
Amain line
Burban
Csuburban
36
Overhead lines for power supply to tramcars are at a minimum height of______________?
A3 m
B6 m
C10 m
D15 m
37
In main line service as compared to urban and suburban service______________?
Adistance between the stops is more
Bmaximum speed reached is high
Cacceleration and retardation rates are low
Dall of the above
38
Which of the following is the disadvantage of electric traction over other systems of traction ?
ACorrosion problems in the under-ground pipe work
BShort time power failure interrupts traffic for hours
CAll of the above
DInterference with communication lines
39
Quadrilateral speed-time curve pertains to which of the following services ?
AMain line service
BUrban service
CSub-urban service
DUrban and sub-urban service
40
Co-efficient of adhesion is________________-?
Ahigh in case of
Blow in case of
Cequal in both AC. and
Dany of the above