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This section includes 177 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
151. |
When semaphore and warner are installed on the same post, then the stop indication is given when |
A. | both arms are horizontal |
B. | semaphore arm lowered but warner arm horizontal |
C. | both semaphore and warner arms lowered |
D. | none of the above |
Answer» B. semaphore arm lowered but warner arm horizontal | |
152. |
The rails get out of their original positions due to insufficient expansion gap. This phenomenon is known |
A. | hogging |
B. | buckling |
C. | creeping |
D. | none of these |
Answer» C. creeping | |
153. |
Minimum composite sleeper index for wooden sleepers used in cross-overs, is |
A. | 1152 |
B. | 1252 |
C. | 1352 |
D. | 1452 |
Answer» D. 1452 | |
154. |
The place where a railway line and a road cross each other at the same level, is known as |
A. | cross over |
B. | railway junction |
C. | road junction |
D. | level crossing |
Answer» E. | |
155. |
Lead of crossing is the distance from the |
A. | heel of the switch to the toe of the switch |
B. | heel of the switch to the theoretical nose of the crossing |
C. | toe of the switch to the theoretical nose of crossing |
D. | toe of the switch to the actual nose of crossing |
Answer» C. toe of the switch to the theoretical nose of crossing | |
156. |
The object of providing a point lock is |
A. | to ensure that each switch is correctly set |
B. | to ensure that the point may not be operated while the train is on it |
C. | to detect any obstruction between and tongue rail |
D. | none of the above |
Answer» B. to ensure that the point may not be operated while the train is on it | |
157. |
If n is length of a rail in metres, the number of sleepers per rail length generally varies from |
A. | n to (n + 2) |
B. | (n + 2) to (n + 4) |
C. | (n + 3) to (n + 6) |
D. | (n + 4) to (n + 5) |
Answer» D. (n + 4) to (n + 5) | |
158. |
For providing the required tilt of rails, adazing of wooden sleepers, is done for |
A. | bull headed rails |
B. | double headed rails |
C. | flat footed rails |
D. | any type of rails |
Answer» D. any type of rails | |
159. |
Normally maximum cant permissible in Meter Gauge is |
A. | 75 mm |
B. | 90 mm |
C. | 140 mm |
D. | 165 mm |
Answer» C. 140 mm | |
160. |
Which of the following types of sleepers is preferred on joints? |
A. | cst-9 sleeper |
B. | steel trough sleeper |
C. | wooden sleeper |
D. | concrete sleeper |
Answer» D. concrete sleeper | |
161. |
On Indian Railways, number of a crossing is defined as |
A. | sine of angle of crossing |
B. | cosine of angle of crossing |
C. | tangent of angle of crossing |
D. | contingent of angle of crossing |
Answer» E. | |
162. |
Pandrol clips cannot be used with |
A. | wooden sleepers |
B. | concrete sleepers |
C. | cst-9 sleepers |
D. | steel trough sleepers |
Answer» D. steel trough sleepers | |
163. |
Total effective bearing area of both the bowls of a pot sleeper, is |
A. | slightly more than that of a wooden sleeper |
B. | slightly less than that of a wooden sleeper |
C. | equal to that of a wooden sleeper |
D. | none of these |
Answer» D. none of these | |
164. |
Flange-way clearance is the distance |
A. | between the adjoining faces of the running rail and the check rail near the crossing |
B. | between the gauge faces of the stock rail and the tongue rail |
C. | through which the tongue rail moves laterally at the toe of the switch |
D. | none of the above |
Answer» B. between the gauge faces of the stock rail and the tongue rail | |
165. |
Two important constituents in the composition of steel used for rail are |
A. | carbon and silicon |
B. | manganese and phosphorous |
C. | carbon and manganese |
D. | carbon and sulphur |
Answer» D. carbon and sulphur | |
166. |
The purpose of providing fillet in a rail section is to |
A. | increase the lateral strength |
B. | increase the vertical stiffness |
C. | avoid the stress concentration |
D. | reduce the wear |
Answer» D. reduce the wear | |
167. |
The main function of a fish plate is |
A. | to join the two rails together |
B. | to join rails with the sleeper |
C. | to allow rail to expand and contract freely |
D. | none of the above |
Answer» B. to join rails with the sleeper | |
168. |
Due to battering action of wheels over the end of the rails, the rails get bent down and are deflected at ends. These rails are called |
A. | roaring rails |
B. | hogged rails |
C. | corrugated rails |
D. | buckled rails |
Answer» C. corrugated rails | |
169. |
Creep is the |
A. | longitudinal movement of rail |
B. | lateral movement of rail |
C. | vertical movement of rail |
D. | difference in level of two rails |
Answer» B. lateral movement of rail | |
170. |
Staggered joints are generally provided |
A. | on curves |
B. | on straight track |
C. | when two different rail sections are required to be joined |
D. | none of the above |
Answer» B. on straight track | |
171. |
Composite sleeper index is the index of |
A. | hardness and strength |
B. | strength and toughness |
C. | toughness and wear resistance |
D. | wear resistance and hardness |
Answer» B. strength and toughness | |
172. |
The type of spike used for fixing chairs of bull headed rails to wooden sleepers is |
A. | dog spike |
B. | rail screw |
C. | elastic spike |
D. | round spike |
Answer» E. | |
173. |
Flat mild steel bearing plates are used |
A. | for points and crossings in the lead portion |
B. | with wooden sleepers at locations where creep is likely to be developed |
C. | on all joints and curves |
D. | on all the above |
Answer» B. with wooden sleepers at locations where creep is likely to be developed | |
174. |
Cant deficiency occurs when a vehicle travels around a curve at |
A. | equilibrium speed |
B. | speeds higher than equilibrium speed |
C. | speeds lower than equilibrium speed |
D. | booked speed |
Answer» C. speeds lower than equilibrium speed | |
175. |
Stretcher bar is provided |
A. | to permit lateral movement of the tongue rail |
B. | to maintain the two tongue rails at the exact distance |
C. | to ensure exact gauge at the toe of the switch as well as the nose of crossing |
D. | to prevent any vertical movement between the wing rail and nose of crossing |
Answer» C. to ensure exact gauge at the toe of the switch as well as the nose of crossing | |
176. |
Heel divergence is |
A. | always less than flange-way clearance |
B. | equal to flange-way clearance |
C. | always greater than flange-way clearance |
D. | sometimes greater than flange-way clearance |
Answer» D. sometimes greater than flange-way clearance | |
177. |
A triangle is used for |
A. | changing the direction of engine |
B. | transferring wagons to and from parallel tracks without shunting |
C. | separating all the sidings and shunting lines from main lines |
D. | preventing the vehicles from running off the track |
Answer» B. transferring wagons to and from parallel tracks without shunting | |