Practice Test: Question Set - 01
1. In a steam locomotive electric power is provided through
- (A) Overhead wire
- (B) Battery system
- (C) Small turbo-generator
- (D) Diesel engine generator
2. The steam engine provided on steam locomotives is
- (A) Single acting condensing type
- (B) Single acting non-condensing type
- (C) Double acting condensing type
- (D) Double acting non-condensing type
3. For given maximum axle load tractive efforts of AC. locomotive will be
- (A) Less than that of D.C. locomotive
- (B) More than that of D.C. locomotive
- (C) Equal to that of D.C. locomotive
- (D) None of the above
4. The rate of acceleration on sub-urban or urban services is restricted by the consideration of
- (A) Engine power
- (B) Track curves
- (C) Passenger Discomfort
- (D) Track size
5. The resistance encountered by a train in motion is on account of
- (A) Resistance offered by air
- (B) Friction at the track
- (C) Friction at various parts of the rolling
stock
- (D) All of the above
6. Series motor is not suited for traction duty due to which of the following account?
- (A) Less current drain on the heavy load torque
- (B) Current surges after temporary switching off
supply
- (C) Self relieving property
- (D) Commutating property at heavy load
7. The return circuit for tram cars is through
- (A) Neutral wire
- (B) Rails
- (C) Cables
- (D) Common earthing
8. Which of the following happens in Kando system?
- (A) Three phase A.C. is converted into D.C.
- (B) Single phase A.C. is converted into D.C.
- (C) Single phase supply is converted into three phase
system
- (D) None of the above
9. The braking retardation is usually in the range
- (A) 0.15 to 0.30 km phps
- (B) 0.30 to 0.6 km phps
- (C) 0.6 to 2.4 km phps
- (D) 3 to 5 km phps
10. Automatic signaling is used for which of the following trains?
- (A) Mail and express trains
- (B) Superfast trains
- (C) Suburban and Urban electric trains
- (D) All trains
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