Electric Traction Multiple Choice Questions and Answers - Set 04 - ObjectiveBooks
Electric Traction Multiple Choice Questions and Answers - Set 04

Electric Traction Multiple Choice Questions and Answers - Set 04

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Practice Test: Question Set - 04

1. Locomotives with monometer bogies have
    (A) Uneven distribution of tractive effect
    (B) Suitability for passenger as well as freight service
    (C) Lot of skidding
    (D) Low coefficient of adhesion
2. For which of the following locomotives the maintenance requirements are the least?
    (A) Steam locomotives
    (B) Diesel locomotives
    (C) Electric locomotives
    (D) Equal in all of the above
3. The coasting retardation is around
    (A) 0.16 km phps
    (B) 1.6 km phps
    (C) 16 km phps
    (D) 40 km phps
4. Which of the following is the voltage for single phase A.C. system?
    (A) 22 V
    (B) 440 V
    (C) 5 kV
    (D) 15 kV
5. The horsepower of steam locomotives is
    (A) Up to 1500
    (B) 1500 to 2000
    (C) 2000 to 3000
    (D) 3000 to 4000
6. Overload capacity of diesel engines is usually restricted to
    (A) 2 percent
    (B) 10 percent
    (C) 20 percent
    (D) 40 percent
7. The speed of a superfast train is
    (A) 60 kmph
    (B) 75 kmph
    (C) 100 kmph
    (D) More than 100 kmph
8. Coefficient of adhesion reduces due to the presence of which of the following?
    (A) Sand on rails
    (B) Dew on rails
    (C) Oil on the rails
    (D) Both (B) and (C)
9. The friction at the track is proportional to
    (A) 1/speed
    (B) 1/(speed)2
    (C) Speed
    (D) None of the above
10. Battery operated trucks are used in
    (A) Steel mills
    (B) Power stations
    (C) Narrow gauge traction
    (D) Factories for material transportation
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