Electric Traction The value of coefficient of adhesion will be high when rails are Wet Cleaned with sand Sprayed with oil Greased Wet Cleaned with sand Sprayed with oil Greased ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In India diesel locomotives are manufactured at Bangalore Ajmer Varanasi Jamalpur Bangalore Ajmer Varanasi Jamalpur ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The wheels of a train, engine as well as bogies, are slightly tapered to Reduce friction Increase friction Facilitate in taking turns Facilitate braking Reduce friction Increase friction Facilitate in taking turns Facilitate braking ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Cascade control Rheostat control Combination of cascade and pole changing Pole changing Cascade control Rheostat control Combination of cascade and pole changing Pole changing ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of ___________ free running and coasting periods are generally long. Mainline service All of the listed here Urban service Suburban service Mainline service All of the listed here Urban service Suburban service ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the disadvantage of electric traction over other systems of traction? Corrosion problems in the underground pipe work High capital outlay in fixed installations beside route limitation Interference with communication lines Short time power failure interrupts traffic for hours Corrosion problems in the underground pipe work High capital outlay in fixed installations beside route limitation Interference with communication lines Short time power failure interrupts traffic for hours ANSWER DOWNLOAD EXAMIANS APP