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This set of Railway Engineering Multiple Choice Questions & Answers (MCQs) focuses on Railway Engineering Set 3
Q1 | At a rail joint, the ends of adjoining rails, are connected with a pair of fish plates and
- 2 fish bolts
- 4 fish bolts
- 6 fish bolts
- 8 fish bolts
Q2 | If the standard length of a B.G. crossing is 597 cm, the number of crossing, is
- 1 in 8½
- 1 in 12
- 1 in 16
- none of these
Q3 | Switch angle is the angle between
- the gauge face of the stock rail and tongue rail
- the outer face of the stock rail and tongue rail
- the gauge face of the stock rail and outer face of the tongue rail
- the outer face of the stock rail and the gauge face of the tongue rail
Q4 | Pick up the incorrect statement from the following:
- sleepers transfer the load of moving locomotive to the girders of the bridges
- sleepers act as a non-elastic medium between the rails and ballast
- sleepers hold the rails at 1 in 20 tilt inward
- sleepers hold the rails loose on curve
Q5 | On Broad Gauge main lines with maximum traffic loads, the rail section preferred to, is
- 29.8 to 37.3 kg/m
- 32.5 to 42.5 kg/cm
- 44.7 to 56.8 kg/m
- none of these
Q6 | The treadle bar is provided
- in the middle of the track a little in front of the toes of the tongue rail
- near and parallel to inner side of one of the rails
- at right angle to the rail
- near and parallel to inner side of both the rails
Q7 | Heel of crossing is the line joining
- ends of splice rail and point rail
- ends of lead rails butting the crossing
- ends of wing rails
- throat and actual nose of crossing
Q8 | The main advantage of a cement concrete sleeper, is:
- its heavy weight which improves the track modulus
- its capacity to maintain gauge
- its suitability for track circuiting
- all the above
Q9 | Stock rails are
- parts of crossing
- fitted against check rails
- fitted against tongue rails
- laid between heel of switch and nose of crossing
Q10 | Continuity of electric current across welded rail joints, is maintained by
- welding ends of a wire to each rail
- placing an insulated plate underneath the rails
- placing insulation in expansion gaps
- none of these
Q11 | The arrangement of rails which permit trains to cross another track and also to divert to the othertrack, is called
- diamond crossing
- diamond crossing with single slip
- diamond crossing with double slip
- cross over
Q12 | On either side of the centre line of rails, a cant of 1 in 20 in the sleeper is provided for a distance of
- 150 mm
- 165 mm
- 175 mm
- 185 mm
Q13 | In a B.G. railway track, the specified ruling gradient is 1 in 250. The horizontal curve of 3° on agradient of 1 in 250 will have the permissible gradient of
- 1 in 257
- 1 in 357
- 1 in 457
- 1 in 512
Q14 | A CST-9 sleeper consists of
- two inverted triangular pots on either side of rail seat
- a central plate with a projected key and box on the top of plate
- a tie bar and 4 cotters to connect two cast iron plates
- all the above
Q15 | Staggered rail joints are generally provided
- on curves
- on tangents
- on bridges
- in tunnels
Q16 | Pick up the incorrect statement from the following:
- fish plates fit the underside of the rail head
- fish plates fit the top of the rail foot
- fish plates fit the web of the rail section
- cross sectional area of fish plates, is normally the same as that of the rail section
Q17 | Pick up the correct statement from the following:
- length of tongue rail should be greater than rigid wheel base of vehicle
- stock rail should be longer than tongue rail
- length of stock rail ahead of the toe should be a minimum of 1.65 m
- all the above
Q18 | Fish plate is in contact with rail at
- web of rail
- fishing plane
- head of rail
- foot of rail
Q19 | In railways a triangle is mainly provided for
- diverting trains from the main line to branch line
- crossing over between parallel tracks
- changing direction of engines through 180°
- shunting wagons in yards
Q20 | Minimum gradient in station yards is generally limited to
- 1 in 1000
- 1 in 750
- 1 in 500
- zero
Q21 | The formation width for a single line meter gauge track in embankment as adopted on IndianRailways is
- 4.27 m
- 4.88 m
- 5.49 m
- 6.10 m
Q22 | Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275 × 25 × 13 cm with75 cm sleeper spacing is
- 15 cm
- 20 cm
- 25 cm
- 30 cm
Q23 | The sleepers resting directly on girder are fastened to the top flange of girder by
- hook bolts
- dog spikes
- fang bolts
- rail screws
Q24 | The sleepers which satisfy the requirements of an ideal sleeper, are
- cast iron sleepers
- r.c.c. sleepers
- steel sleepers
- wooden sleepers
Q25 | The side of a rail diamond may be obtained by dividing the gauge of track by
- sine of acute crossing
- cosine of acute crossing
- tangent of acute crossing
- cotangent of acute crossing