Electric Traction Which of the following braking systems on the locomotives is costly? All braking systems are equally costly Vacuum braking on diesel locomotives Regenerative braking on electric locomotives Vacuum braking on steam locomotives All braking systems are equally costly Vacuum braking on diesel locomotives Regenerative braking on electric locomotives Vacuum braking on steam locomotives ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following happens in Kando system? Single phase supply is converted into three phase system Three phase A.C. is converted into D.C. Single phase A.C. is converted into D.C. None of the listed here Single phase supply is converted into three phase system Three phase A.C. is converted into D.C. Single phase A.C. is converted into D.C. None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The value of coefficient of adhesion will be high when rails are Sprayed with oil Greased Cleaned with sand Wet Sprayed with oil Greased Cleaned with sand Wet ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Quadrilateral speed-time curve pertains to which of the following services? Urban service Main line service Urban and suburban service Suburban service Urban service Main line service Urban and suburban service Suburban service ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Methods can bring the locomotive to dead stop. Plugging braking Rheostat braking Regenerative braking None of the listed here Plugging braking Rheostat braking Regenerative braking None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the voltage for single phase A.C. system? 220 v 11 kV 5 kV 220 V 220 v 11 kV 5 kV 220 V ANSWER DOWNLOAD EXAMIANS APP
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