Electric Traction Which of the following is the disadvantage of electric traction over other systems of traction? 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 Short time power failure interrupts traffic for hours High capital outlay in fixed installations beside route limitation Interference with communication lines ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Tractive effort is required to Accelerate the train mass All of the listed here Overcome friction, windage and curve resistance Overcome the gravity component of train mass Accelerate the train mass All of the listed here Overcome friction, windage and curve resistance Overcome the gravity component of train mass ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Quadrilateral speed-time curve pertains to which of the following services? Suburban service Main line service Urban and suburban service Urban service Suburban service Main line service Urban and suburban service Urban service 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? 0.46 0.26 0.16 0.35 0.46 0.26 0.16 0.35 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of steam engines the steam pressure is 5 to 8 kgf/cm² 10 to 15 kgf/cm² 25 to 35 kgf/cm² 1 to 4 kgf/cm² 5 to 8 kgf/cm² 10 to 15 kgf/cm² 25 to 35 kgf/cm² 1 to 4 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Watt-hours per tonne km is usually the specific energy consumption for suburban services. 100-150 50 - 75 120-150 150-200 100-150 50 - 75 120-150 150-200 ANSWER DOWNLOAD EXAMIANS APP
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