Railway Engineering

161. Pot sleepers are in the form of

1. A number of bowls connected together with a tie bar
2. Two bowls placed under each rail and connected together with a tie bar
3. Two bowls placed under two rails and the one between the rails
4. None of these

View answer

162. Pot sleepers are used if degree of the curve does not exceed

1. 4°
2. 5°
3. 6°
4. 7°

View answer

163. Rail joint supported on a single sleeper, is known

1. Suspended rail joint
2. Bridge rail joint
3. Supported rail joint
4. Square rail joint

View answer

164. Rail section first designed on Indian railways, was

1. Double headed
2. Bull headed
3. Flat footed
4. (a) and (b) simultaneously

View answer

165. Rail section is generally designated by its

1. Total weight
2. Total length
3. Weight per metre length
4. Area of its cross-section

View answer

166. Rail tops of a track are placed

1. Horizontal
2. At an inward slope of 1 in 20
3. At an outward slope of 1 in 20
4. At an outward slope of 1 in 30

View answer

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

1. 1°
2. 2°
3. 3°
4. 4°

View answer

168. Rails are fixed on steel sleepers

1. By bearing plates
2. By dog spikes
3. By keys in lugs or jaws
4. None of these

View answer

169. Regional Indian railways use different types of sleepers according to their

1. Availability
2. Economy
3. Suitability
4. All the above

View answer

170. Safe speed (V) on a curve of radius 970 metres provided with two transition curves on Board Gauge track, is

1. 112 km/hour
2. 122 km/hour
3. 132 km/hour
4. 142 km/hour

View answer