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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