Electric Traction If the coefficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails? 0.26 0.46 0.35 0.16 0.26 0.46 0.35 0.16 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Overload capacity of diesel engines is usually restricted to 6 percent 4 percent 2 percent 8 percent 6 percent 4 percent 2 percent 8 percent ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The horsepower of steam locomotives is 1500 to 2000 2500 to 3000 500 to 1000 Up to 1500 1500 to 2000 2500 to 3000 500 to 1000 Up to 1500 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Rheostat control Pole changing Cascade control Combination of cascade and pole changing Rheostat control Pole changing Cascade control Combination of cascade and pole changing ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Energy consumption in propelling the train is required for which of the following? Acceleration Work against the resistance to motion Work against gravity while moving up the gradient All of the listed here Acceleration Work against the resistance to motion Work against gravity while moving up the gradient All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In tram ways which of the following motors is used? D.C. series motor A.C. three phase motor AC. single phase capacitor start motor D.C. shunt motor D.C. series motor A.C. three phase motor AC. single phase capacitor start motor D.C. shunt motor ANSWER DOWNLOAD EXAMIANS APP
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