Electric Traction The friction at the track is proportional to 1/speed Speed None of the listed here 1/(speed)² 1/speed Speed None of the listed here 1/(speed)² ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The braking retardation is usually in the range 3 to 5 km phps 15 to 30 km phps 5 to 8 km phps 0.15 to 0.30 km phps 3 to 5 km phps 15 to 30 km phps 5 to 8 km phps 0.15 to 0.30 km phps ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Methods can bring the locomotive to dead stop. Plugging braking None of the listed here Rheostat braking Regenerative braking Plugging braking None of the listed here Rheostat braking Regenerative braking ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following happens in Kando system? Three phase A.C. is converted into D.C. None of the listed here Single phase supply is converted into three phase system Single phase A.C. is converted into D.C. Three phase A.C. is converted into D.C. None of the listed here Single phase supply is converted into three phase system Single phase A.C. is converted into D.C. ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction? Tap changing control of transformer All of the listed here Reduced current method Series parallel operation of motors Tap changing control of transformer All of the listed here Reduced current method Series parallel operation of motors 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 D.C. shunt motor AC. single phase capacitor start motor D.C. series motor A.C. three phase motor D.C. shunt motor AC. single phase capacitor start motor ANSWER DOWNLOAD EXAMIANS APP
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