Electric Traction The air resistance to the movement of the train is proportional to 1/speed speed (speed)2 (speed)3 1/speed speed (speed)2 (speed)3 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Coefficient of adhesion reduces due to the presence of which of the following? Sand on rails Oil on the rails Dew on rails Both Dew on rails and Oil on the rails Sand on rails Oil on the rails Dew on rails Both Dew on rails and Oil on the rails ANSWER DOWNLOAD EXAMIANS APP
Electric Traction _________ frequency is not common in low frequency traction system 25 Hz 40 Hz 16 Hz None of the listed here 25 Hz 40 Hz 16 Hz None of the listed here 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 A.C. three phase motor D.C. shunt motor D.C. series motor AC. single phase capacitor start motor A.C. three phase motor D.C. shunt motor ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Coefficient of adhesion is Equal in both AC. and D.C. traction Low in case of D.C. traction than in the case of AC. traction High in case of D.C. traction than in the case of AC. traction All of the listed here Equal in both AC. and D.C. traction Low in case of D.C. traction than in the case of AC. traction High in case of D.C. traction than in the case of AC. traction All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The efficiency of diesel locomotives is nearly 60 to 70 percent 20 to 25 percent 45 to 55 percent 30 to 40 percent 60 to 70 percent 20 to 25 percent 45 to 55 percent 30 to 40 percent ANSWER DOWNLOAD EXAMIANS APP
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