RRB Practice Test: Question Set - 15
1. The shape of transition curve used by Indian Railways is
- (A) Cubic
parabola
- (B) Spiral
- (C) Sine curve
- (D) Lemniscates
of Bernoulli
2. In broad gauge, the clear horizontal distance between the inner faces of two parallel rails forming the track is:
- (A) 1 m
- (B) 1.676 m
- (C) 0.6096 m
- (D) 0.792 m
3. Heel divergence is
- (A) Always less
than flange-way clearance
- (B) Equal to
flange-way clearance
- (C) Always
greater than flange-way clearance
- (D) Sometimes
greater than flange-way clearance
4. The mechanical device which transfers chemical energy of fuel into mechanical energy in the form of motion is called:
- (A) Rolling stock
- (B) Railway
- (C) Wagon
- (D) Locomotive
5. Wear of rails is maximum in weight of
- (A) Tangent
track
- (B) Sharp curve
- (C) Tunnels
- (D) Coastal area
6. Which one of the following bolts is not used in rail track?
- (A) Fang bolt
- (B) Eye bolt
- (C) Rag bolt
- (D) Fish bolt
7. The arrangement consisting of three tracks used for changing the direction of engine is called:
- (A) Three ladder track
- (B) Turn table
- (C) Three throw switch
- (D) Triangle
8. The compensation for curvature on gradient for Meter Gauge is given by (where R is radius of curve.)
- (A) 70/R
- (B) 52.5/R
- (C) 35/R
- (D) 105/R
9. The gradient which requires one or more additional locomotive for hauling the load over the gradient is called:
- (A) Up-gradient
- (B) Pusher gradient
- (C) Steep gradient
- (D) Momentum gradient
10. The object of providing a point lock is
- (A) To ensure
that each switch is correctly set
- (B) To ensure
that the point may not be operated while the train is on it
- (C) To detect
any obstruction between and tongue rail
- (D) None of the
above
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