MCQOPTIONS
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MCQOPTIONS
This section includes 440 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 401. |
Ordinary rails are made of |
| A. | Mild steel |
| B. | Cast iron |
| C. | Wrought iron |
| D. | High carbon steel |
| Answer» E. | |
| 402. |
A turn-in-curve is defined as |
| A. | A curve introduced between two straights |
| B. | A reverse curve |
| C. | A reverse curve introduced in continuity of a turn out |
| D. | A spiral transition curve |
| Answer» D. A spiral transition curve | |
| 403. |
Best ballast contains stones varying in size from |
| A. | 1.5 cm to 3 cm |
| B. | 2.0 cm to 4 cm |
| C. | 2.0 cm to 5 cm |
| D. | 2.5 cm to 6 cm |
| Answer» D. 2.5 cm to 6 cm | |
| 404. |
The rail is designated by its |
| A. | Length |
| B. | Weight |
| C. | Cross-section |
| D. | Weight per unit length |
| Answer» E. | |
| 405. |
Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge for Indian railways |
| A. | 1.435 m as adopted in England |
| B. | 1.800 m as per Indian conditions |
| C. | 1.676 m as a compromise gauge |
| D. | 1.000 m as a standard gauge |
| Answer» D. 1.000 m as a standard gauge | |
| 406. |
For a sleeper density of (n + 5), the number of sleepers required for constructing a broad gauge railway track of length 650 m is |
| A. | 975 |
| B. | 918 |
| C. | 900 |
| D. | 880 |
| Answer» D. 880 | |
| 407. |
For even distribution of load through ballast, load dispersal is assumed as |
| A. | 30° to the vertical |
| B. | 45° to the vertical |
| C. | 60° to the vertical |
| D. | None of these |
| Answer» C. 60° to the vertical | |
| 408. |
Degree of a railway curve is defined as number of degrees subtended at the centre of a curve by an arc of |
| A. | 10 m |
| B. | 15 m |
| C. | 20 m |
| D. | 30.5 m |
| Answer» E. | |
| 409. |
Wear of rails is maximum in weight of |
| A. | Tangent track |
| B. | Sharp curve |
| C. | Tunnels |
| D. | Coastal area |
| Answer» C. Tunnels | |
| 410. |
To avoid the damage of nose of crossing, the wing rails are ramped so that nose of crossing remains at a lower level by |
| A. | 3 mm |
| B. | 4 mm |
| C. | 5 mm |
| D. | 6 mm |
| Answer» B. 4 mm | |
| 411. |
The standard dimensions of a wooden sleeper for M.G. railway track are |
| A. | 2.74 m × 25 cm × 13 cm |
| B. | 1.83 m × 20 cm × 11 cm |
| C. | 1.52 m × 15 cm × 10 cm |
| D. | 1.75 m × 20 cm × 12 cm |
| Answer» C. 1.52 m × 15 cm × 10 cm | |
| 412. |
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 | |
| 413. |
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 | |
| 414. |
Minimum composite sleeper index for wooden sleepers used in cross-overs, is |
| A. | 1152 |
| B. | 1252 |
| C. | 1352 |
| D. | 1452 |
| Answer» D. 1452 | |
| 415. |
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 | |
| 416. |
If the stock rails are B.H. rails, the type of switch generally provided, is |
| A. | Articulated |
| B. | Undercut |
| C. | Over riding |
| D. | Straight cut |
| Answer» E. | |
| 417. |
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. | |
| 418. |
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 | |
| 419. |
Type of switch rails generally adopted for modern track, is |
| A. | Straight switch |
| B. | Curved switch |
| C. | Loose heel switch |
| D. | Bent switch |
| Answer» C. Loose heel switch | |
| 420. |
Normally maximum cant permissible in Meter Gauge is |
| A. | 75 mm |
| B. | 90 mm |
| C. | 140 mm |
| D. | 165 mm |
| Answer» C. 140 mm | |
| 421. |
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) | |
| 422. |
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 | |
| 423. |
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 | |
| 424. |
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. | |
| 425. |
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 | |
| 426. |
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 | |
| 427. |
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 | |
| 428. |
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 | |
| 429. |
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 | |
| 430. |
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 | |
| 431. |
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 | |
| 432. |
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 | |
| 433. |
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 | |
| 434. |
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 | |
| 435. |
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 | |
| 436. |
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. | |
| 437. |
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 | |
| 438. |
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 | |
| 439. |
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 | |
| 440. |
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 | |