Railway Engineering

21. An extra 7.5 cm ballast width is not provided on outer side on a curve, if its degree is

1. 6°
2. 5°
3. 4°
4. 3°

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22. angle and R is radius of the turnout, the length of the tongue rail, is

1. R sin α
2. R tan α
3. R sin α/2
4. R tan α/2

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23. Anti-creep anchors are fixed to rails by

1. Wedging
2. Spring grip
3. Clamping
4. All the above

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24. Anti-creep bearing plates are provided on

1. Bridges and approaches
2. Joints
3. Both (A) and (B)
4. None of the above

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25. Arrangement made to divert the trains from one track to another, is known as

1. Railway point
2. Railway crossing
3. Turnout
4. Railway junction

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26. At a rail joint, the ends of adjoining rails, are connected with a pair of fish plates and

1. 2 fish bolts
2. 4 fish bolts
3. 6 fish bolts
4. 8 fish bolts

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27. At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge is

1. 51
2. 62
3. 70
4. 78

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28. Ballast packed below and around the sleepers to transfer the load from sleepers to formation, generally consists of

1. Broken stones
2. Gravels
3. Moorum
4. All the above

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29. Bearing plates are used to fix

1. Flat footed rails to the wooden sleepers
2. Double headed rails to the wooden sleepers
3. Bull headed rails to the wooden sleepers
4. Flat footed rails to the cast iron sleepers

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30. Bending of rail ends due to loose packing under a joint and loose fish Bolts, is known

1. Buckling
2. Hogging
3. Creeping
4. None of these

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