Electric Traction

Overhead wire Battery system Small turbo-generator Diesel engine generator Single acting condensing type Single acting non-condensing type Double acting condensing type Double acting non-condensing type Less than that of D.C. locomotive More than that of D.C. locomotive Equal to that of D.C. locomotive None of the above Engine power Track curves Passenger Discomfort Track size Resistance offered by air Friction at the track Friction at various parts of the rolling stock All of the above Uneven distribution of tractive effect Suitability for passenger as well as freight service Lot of skidding Low coefficient of adhesion Work against the resistance to motion Work against gravity while moving up the gradient Acceleration All of the above 0.16 km phps 1.6 km phps 16 km phps 40 km phps 22 V 440 V 5 kV 15 kV Up to 1500 1500 to 2000 2000 to 3000 3000 to 4000 Jolting and skidding Hammer blow Pitching All of the above 50 to 200 500 to 1000 1500 to 2500 3000 to 5000 5 to 10 percent 15 to 20 percent 25 to 35 percent 35 to 45 percent 60 Hz 50 Hz 25 Hz 16 Hz 40 Hz 25 Hz 16 Hz None of these Diesel saunters Steam locomotives Electric locomotives Diesel locomotives 12 V 24 V 220 V 600 to 750 V Steam engine Diesel engine Battery locomotive Any of the above