Railway Engineering

1. 30 m long rails are used in

1. India
2. U.K.
3. Russia
4. U.S.A.

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2. 52 kg rails are mostly used in

1. Broad Gauge
2. Metre Gauge
3. Narrow Gauge
4. Both (A) and (B)

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3. 60 R rails are mostly used in

1. Broad Gauge
2. Metre Gauge
3. Narrow Gauge
4. None of the above

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4. A Broad Gauge branch line takes off as a contrary flexure from a main line. If the super-elevation required for branch line is 10 mm and cant deficiency is 75 mm, the super-elevation to be actually provided on the branch line will be

1. 10 mm
2. 64 mm
3. 85 mm
4. 65 mm

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5. A CST-9 sleeper consists of

1. Two inverted triangular pots on either side of rail seat
2. A central plate with a projected key and box on the top of plate
3. A tie bar and 4 cotters to connect two cast iron plates
4. All the above

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6. A kink is made in stock rails, ahead of the toe of switch at a distance of

1. 10 cm
2. 15 cm
3. 20 cm
4. 30 cm

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7. A mono-block sleeper has

1. Square section
2. Rectangular section
3. Trapezoidal section
4. Semi-circular section

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8. A scissors cross over consists of one diamond and

1. one turn out
2. Two turn outs
3. Three turn outs
4. Four turn outs

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9. A scissors cross-over consists of

1. Two pairs of points, four acute angle crossings and two obtuse angle crossings
2. Four pairs of points, four acute angle crossings and four obtuse angle crossings
3. Four pairs of points, six acute angle crossings and two obtuse angle crossings
4. Two pairs of points, six acute angle crossings and four obtuse angle crossings

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10. A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive?

1. 15.0 tonnes
2. 22.5 tonnes
3. 45.0 tonnes
4. 90.0 tonnes

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