Electric Traction The braking retardation is usually in the range 15 to 30 km phps 0.15 to 0.30 km phps 3 to 5 km phps 5 to 8 km phps 15 to 30 km phps 0.15 to 0.30 km phps 3 to 5 km phps 5 to 8 km phps ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In tram ways which of the following motors is used? D.C. series motor AC. single phase capacitor start motor D.C. shunt motor A.C. three phase motor D.C. series motor AC. single phase capacitor start motor D.C. shunt motor A.C. three phase motor 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 All of the listed here Work against gravity while moving up the gradient Work against the resistance to motion Acceleration All of the listed here Work against gravity while moving up the gradient Work against the resistance to motion ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For diesel locomotives the range of horsepower is 1000 to 2000 500 to 1000 1500 to 2500 2000 to 2500 1000 to 2000 500 to 1000 1500 to 2500 2000 to 2500 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The value of coefficient of adhesion will be high when rails are Greased Sprayed with oil Wet Cleaned with sand Greased Sprayed with oil Wet Cleaned with sand ANSWER DOWNLOAD EXAMIANS APP
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