Electric Traction Tractive effort is required to Overcome the gravity component of train mass All of the listed here Accelerate the train mass Overcome friction, windage and curve resistance Overcome the gravity component of train mass All of the listed here Accelerate the train mass Overcome friction, windage and curve resistance ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Combination of cascade and pole changing Rheostat control Pole changing Cascade control Combination of cascade and pole changing Rheostat control Pole changing Cascade control ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following braking systems on the locomotives is 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 All braking systems are equally costly ANSWER DOWNLOAD EXAMIANS APP
Electric Traction When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when Wheel base of axles is more Both of the listed here None of the listed here Degree of curvature is more Wheel base of axles is more Both of the listed here None of the listed here Degree of curvature is more ANSWER DOWNLOAD EXAMIANS APP
Electric Traction _______ was the first city in India to adopt electric traction. Delhi Bombay (Mumbai) Madras (Chennai) Calcutta (kolkata) Delhi Bombay (Mumbai) Madras (Chennai) Calcutta (kolkata) ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The wheels of a train, engine as well as bogies, are slightly tapered to Increase friction Facilitate in taking turns Facilitate braking Reduce friction Increase friction Facilitate in taking turns Facilitate braking Reduce friction ANSWER DOWNLOAD EXAMIANS APP
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