Railway Engineering

241. The steepest gradient permissible on a 2.5° curve for Broad Gauge line having ruling gradient of 1 in 200 is

1. 1 in 250
2. 1 in 222
3. 1 in 235
4. 1 in 275

View answer

242. The total gap on both sides between the inside edges of wheel flanges and gauge faces of the rail is kept as

1. 10 mm
2. 13 mm
3. 16 mm
4. 19 mm

View answer

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

1. 1 in 10
2. 1 in 15
3. 1 in 20
4. 1 in 25

View answer

244. The treadle bar is provided

1. In the middle of the track a little in front of the toes of the tongue rail
2. Near and parallel to inner side of one of the rails
3. At right angle to the rail
4. Near and parallel to inner side of both the rails

View answer

245. The type of bearing plate used in all joints and on curves to give better bearing area to the rails is

1. Flat mild steel bearing plate
2. Mild steel canted bearing plate
3. Cast iron anti-creep bearing plate
4. None of the above

View answer

246. The type of spike used for fixing chairs of bull headed rails to wooden sleepers is

1. Dog spike
2. Rail screw
3. Elastic spike
4. Round spike

View answer

247. The type of switch generally used for B.G. and M.G. tracks, is

1. Articulated
2. Undercut
3. Over riding
4. Straight cut

View answer

248. The weight of the rails depends upon

1. Gauge of the tracks
2. Speed of trains
3. Spacing of sleepers
4. All the above

View answer

249. The width of foot for 90 R rail section is

1. 100 mm
2. 122.2 mm
3. 136.5 mm
4. 146.0 mm

View answer

250. To achieve best performance, the type of switch preferred to, is

1. Undercut switch
2. Straight-cut switch
3. Overriding switch
4. Both (a) and (b)

View answer