Electric Traction Which of the following braking systems on the locomotives is costly? Regenerative braking on electric locomotives Vacuum braking on steam locomotives Vacuum braking on diesel locomotives All braking systems are equally costly Regenerative braking on electric locomotives Vacuum braking on steam locomotives Vacuum braking on diesel locomotives All braking systems are equally costly ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Quadrilateral speed-time curve pertains to which of the following services? Urban service Urban and suburban service Main line service Suburban service Urban service Urban and suburban service Main line service Suburban service ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The steam engine provided on steam locomotives is Double acting condensing type Single acting non-condensing type Single acting condensing type Double acting non-condensing type Double acting condensing type Single acting non-condensing type Single acting condensing type Double acting non-condensing type ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the disadvantage of electric traction over other systems of traction? Short time power failure interrupts traffic for hours High capital outlay in fixed installations beside route limitation Interference with communication lines Corrosion problems in the underground pipe work Short time power failure interrupts traffic for hours High capital outlay in fixed installations beside route limitation Interference with communication lines Corrosion problems in the underground pipe work ANSWER DOWNLOAD EXAMIANS APP
Electric Traction If the coefficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails? 0.35 0.16 0.46 0.26 0.35 0.16 0.46 0.26 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The air resistance to the movement of the train is proportional to 1/speed speed (speed)2 (speed)3 1/speed speed (speed)2 (speed)3 ANSWER DOWNLOAD EXAMIANS APP
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