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Railways MCQ

1. The spread between the point and splice rails at a distance of 4.25 rn is 50 cm. The size of the crossing is

1 in

1 in 6

1 in 12

1 in 16

Answer

Correct Answer: 1 in

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2. A welded rail joint is generally

None of these.

Supported on a sleeper

Supported on a metal plate

Suspended

Answer

Correct Answer: Suspended

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3. The sleepers which satisfy the requirements of an ideal sleeper, are

Cast iron sleepers

Wooden sleepers.

R.C.C. sleepers

Steel sleepers

Answer

Correct Answer: Wooden sleepers.

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4. The tread of wheels is provided an outward slope of

1 in 15

1 in 20

1 in 25

1 in 10

Answer

Correct Answer: 1 in 20

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5. Coal ash (or cinder) is used in initial stages of a new construction of railway for

Wooden sleepers

Steel sleepers

None of these.

Cast iron sleepers

Answer

Correct Answer: Wooden sleepers

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6. For providing the required tilt of rails, adazing of wooden sleepers, is done for

Flat footed rails

Bull headed rails

None of these.

Any type of rails

Double headed rails

Answer

Correct Answer: Flat footed rails

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7. To design a cross-over between parallel tracks, the required components are:

Two switch points, two acute angle crossings and four check rails

Two switch, points, two acute angle crossings and two check rails

None of these.

Two switch points, two acute angle crossings and six check rails

Answer

Correct Answer: Two switch points, two acute angle crossings and four check rails

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8. Rails are bent to correct curvature if the degree of curve, is more than

2°

3°

4°

1°

Answer

Correct Answer: 4°

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9. Pick the incorrect statement from the following:

Sleepers provide stability to the permanent way

Sleepers transfer load of moving trains to ballast

Sleepers hold the rails at proper gauge on straights

Sleepers act as an elastic cushion between rails and ballast

Answer

Correct Answer: Sleepers transfer load of moving trains to ballast

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10. Overall depth of a dog spike, is

150 mm

135 mm

120.6 mm

155.90 mm

Answer

Correct Answer: 120.6 mm

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11. Width of the top portion of a flat footed, rail, is

136.52 mm

None of these.

66.77 mm

63.50 mm

69.85 mm

Answer

Correct Answer: 66.77 mm

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12. If α is switch angle and R is radius of the turnout, the length of the tongue rail, is

R sin α/2

R sin α

R tan α/2

R cos α/2

R tan α

Answer

Correct Answer: R tan α/2

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13. Pick up the incorrect statement from the following:

Fish plates fit the top of the rail foot

Cross sectional area of fish plates, is normally the same as that of the rail section.

Fish plates fit the underside of the rail head

Fish plates fit the web of the rail section

Answer

Correct Answer: Fish plates fit the web of the rail section

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14. Bearing plates are used to fix

Flat footed rails to the cast iron sleepers

Flat footed rails to the wooden sleepers

Bull headed rails to the wooden sleepers

Double headed rails to the wooden sleepers

Answer

Correct Answer: Flat footed rails to the wooden sleepers

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15. Coning of wheels

All these

Avoid excessive wear of inner faces of rail

Provide smooth running of trains

Prevent lateral movement of wheels

Answer

Correct Answer: All these

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16. The life of a wooden sleeper depends upon

Quality of its timber

All these

Resistance to weathering

Ability to resist decay

Answer

Correct Answer: All these

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17. The weight of the rails depends upon

All these

Nature of traffic

Gauge of the tracks

Spacing of sleepers

Speed of trains

Answer

Correct Answer: All these

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18. On a straight railway track, absolute levels at point A on two rails are 100.550 m and 100.530 m and the absolute levels at point B 100 m apart are 100.585 m and 100.515 m respectively, the value of twist of rails per metre run, is

0.5 mm

0.4 mm

0.7 mm

0.8 mm

Answer

Correct Answer: 0.5 mm

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19. A scissors cross-over consists of

Two pairs of points, six acute angle crossings and four obtuse angle crossings.

Two pairs of points, four acute angle crossings and two obtuse angle crossings

Four pairs of points, six acute angle crossings and two obtuse angle crossings

Four pairs of points, four acute angle crossings and four obtuse angle crossings

Answer

Correct Answer: Four pairs of points, six acute angle crossings and two obtuse angle crossings

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20. The quantity of stone ballast required per metre tangent length, is

1.11 m3

1.13 m3

1.14 m3

1.12 m3

1.15 m3

Answer

Correct Answer: 1.11 m3

Note: This Question is unanswered, help us to find answer for this one

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