ELECTRIC TRACTION QUIZ

All of the listed here

Electric

Diesel

Steam

None of the listed here

Suburban

Urban

Main line

16 Hz

25 Hz

None of the listed here

40 Hz

Single acting condensing type

Single acting non-condensing type

Double acting condensing type

Double acting non-condensing type

45 to 55 percent

20 to 25 percent

30 to 40 percent

60 to 70 percent

High in case of D.C. traction than in the case of AC. traction

Equal in both AC. and D.C. traction

All of the listed here

Low in case of D.C. traction than in the case of AC. traction

It is instantaneous

More heat is generated during braking

It avoids wear of track

Motor continues to remain loaded during braking

Accelerate the train mass

All of the listed here

Overcome friction, windage and curve resistance

Overcome the gravity component of train mass

150 to 175 kg

60 to 80 kg

100 to 120 kg

28 to 30 kg

2 percent

8 percent

4 percent

6 percent