Electric Traction
The pulsating torque exerted by steam locomotives causes which of the following?

Pitching
Jolting and skidding
All of the listed here
Hammer blow

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Electric Traction
Coefficient of adhesion is

Equal in both AC. and D.C. traction
All of the listed here
High in case of D.C. traction than in the case of AC. traction
Low in case of D.C. traction than in the case of AC. traction

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