Electrical Engineering MCQs

Page No. 45

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


d through locomotive



For which of the following locomotives the maintenance requirements are the least ?


aSteam locomotives


bDiesel locomotives


cElectric locomotives


d Equal in all of the above


View Answer Diesel locomotives

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


View Answer 28 to 30 kg

Suri transmission is_________________?


a electrical-pneumatic


b mechanical-electrical


chydro-mechanical


dhydro-pneumatic


View Answer hydro-mechanical

For 25 kV single phase system power supply frequency is_______________?


a60 Hz


b50 Hz


c25 Hz


d 16 Hz


View Answer 50 Hz

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



________________ frequency is not common in low frequency traction system?


a40 Hz


b25 Hz


c16 Hz


d16 Hz


View Answer 40 Hz

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



Specific energy consumption is affected by which of the following factors ?


aRetardation and acceleration values


bGradient


cDistance between stops


dAll of the above


View Answer All of the above

Specific energy consumption is least in ________________ service?


amain line


burban


c suburban


d None of the above


View Answer main line

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