1. The bent-up length of rail used in front of nose of crossing which help in channelising the train wheels in their proper routes are known as:
(a) lead rail (b) point rail
(c) wing rail (d) splice rail
2.The point up to which the new railway track laid, at any time is called:
(a) terminal (b) station
(c) rail-head (d) base
3.The good quality wood for sleeper is:
(a) Deodar (b) Sheesham
(c) Teak (d) Sal
4.Generally the life of wooden sleepers is taken as:
(a) 2 to 3 years (b) 12 to 15 years
(c) 35 to 50 years (d) 5 to 8 years
5.The gradual or tapered widening of the flangeway which is formed by bending and splaying the end of check rail or wing rail away from the gauge line is known as:
(a) Flare (b) Toe
(c) Heel (d) Loop
6.The minimum height of embankment above the highest flood mark in the area should be:
(a) zero cm (b) 30 cm
(c) 100 cm (d) 60 cm
7.The recommended depth of ballast cushion on a curved portion of a track is provided under the ........ edge of the sleeper.
(a) upper (b) middle
(c) inner (d) outer
8. An outward slope provided on the tread of the wheel is:
(a) 1 in 5 (b) 1 in 10
(c) 1 in 20 (d) 1 in 25
9.The granular material spread on the formation of a railway track for the sleepers to rest upon is known as:
(a) anchors (b) ballast
(c) subgrade (d) chairs
10.Bone shaped section of fish plate is commonly used for connecting:
(a) double headed rails (b) flat footed rails
(c) bull headed rails (d) all above are correct
11.The members laid transversely under the rails for supporting and fixing them at the gauge distance apart are known as:
(a) fastenings (b) sleepers
(c) ballast (d) fish plate
12.The bottom width of foot in a flat footed rail is:
(a) 78.6 mm (b) 136.5 mm
(c) 66.7 mm (d) 70 mm
13.The rectangular pits in which wheels of the locomotives are taken out for repairs, are known as:
(a) Track pits (b) Inspection pits
(c) Drop pits (d) Siding pits
14. The wheels are coned to prevent from rubbing the inside face of the rail head and to prevent lateral movement of the axle with its wheels. The slope of cone is:
(a) 1 in 5 (b) 1 in 20
(c) 1 in 10 (d) 1 in 15
15. Gauge is the distance measured in place of the between which faces of two parallel rails in a track.
(a) inner faces
(b) centre line of one rail to inner face of other rail
(c) centre lines (d) outer faces
16. Most significant which imposes limitations in raising the high speeds is:
(a) adhesion of wheels (b) resistance due to oscillations
(c) flange resistance (d) air or wind resistance
17. The rails are welded by:
(a) Thermit welding (b) Gas welding
(c) Arc welding (d) MIG welding
18. Steel sleepers are ..... shaped in section.
(a) oval (b) rectangular
(c) trough (d) semi-spherical
19. In India generally the sleeper density of sleepers per rail length used is:
(a) 18 (b) 30
(c) 12 (d) 24
20. The extra rails provided over bridge to prevent damage and danger in case of derailment on the bridge are known as:
(a) Stock rails (b) Guard rails
(c) Check rails (d) Wing rails
21. The phenomenon of misalignment of rails due to temperature change is known as:
(a) cropping (b) creeping
(c) bulging (d) buckling
22. Creep is the ..... movement of rails.
(a) longitudinal (b) diagonal
(c) horizontal (d) vertical
23. Ballast best suited to steel sleepers is:
(a) sand (b) Gravel
(c) Quartzite (d) All the above
24. The section of a rail is decided on the basis of:
(a) Type of rails (b) Spacing of the sleepers
(c) Speed of trains (d) All of the above
25. While preparing sub-grade of a railway line, the grubbing operation means:
(a) checking of subgrade
(b) filling or cutting of earth work in railway subgrade
(c) compaction and consolidation of earth work
(d) removal and disposal of stumps and roots trees
Q. Ans.
1 C
2 C
3 C
4 B
5 A
6 D
7 C
8 C
9 B
10 B
11 B
12 B
13 C
14 B
15 A
16 A
17 A
18 C
19 A
20 B
21 D
22 A
23 C
24 D
25 D
