McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 451. |
In order to counteract the increased lateral thrust on curves, an extra shoulder provided on the outside of curves is |
| A. | 50 mm |
| B. | 100 mm |
| C. | 150 mm |
| D. | 200 mm |
| Answer» C. 150 mm | |
| 452. |
The track from which train diverts is known as |
| A. | turn-out |
| B. | main line |
| C. | crossing track |
| D. | point |
| Answer» B. main line | |
| 453. |
The gradient where extra engine is required to puch the train is known as |
| A. | ruling gradient |
| B. | momentum gradient |
| C. | pusher gradient |
| D. | station yards gradient |
| Answer» C. pusher gradient | |
| 454. |
R.C.C. sleepers are used in railways due to their |
| A. | suitability for track circuiting |
| B. | capacity to maintain the gauge properly |
| C. | heavy weight which improves the track modulus |
| D. | all of the above |
| Answer» D. all of the above | |
| 455. |
The The screw spikes used for fixing the rails to wooden sleepers |
| A. | are not popular on Indian railways |
| B. | do not spoil the sleeper |
| C. | have more lateral rigidity than dog spikes |
| D. | all of the above |
| Answer» D. all of the above | |
| 456. |
In India, the ruling gradient provided in hilly tracks for one locomotive train is 1 in 100 to 1 in 150. |
| A. | Yes |
| B. | No |
| Answer» A. Yes | |
| 457. |
The switch angle depends upon |
| A. | length of tongue rail |
| B. | heel divergance |
| C. | both (a) and (b) |
| D. | none of these |
| Answer» C. both (a) and (b) | |
| 458. |
A mono-block sleeper has a square cross - section. |
| A. | Right |
| B. | Wrong |
| Answer» B. Wrong | |
| 459. |
To reduce the wearing of rails, the rails are placed at an |
| A. | inward slope of 1 in 20 |
| B. | outward slope of 1 in 20 |
| C. | inward slope of 1 in 30 |
| D. | outward slope of 1 in 30 |
| Answer» A. inward slope of 1 in 20 | |
| 460. |
To provide maximum stability to the track, graded stones from |
| A. | 20 to 50 mm |
| B. | 50 to 75 mm |
| C. | 75 to 100 mm |
| D. | 100 to 125 mm |
| Answer» A. 20 to 50 mm | |
| 461. |
The gauge is widened on curves of |
| A. | equal to |
| B. | less than |
| C. | more than |
| Answer» C. more than | |
| 462. |
For metre gauge track, in Indian railways, the standard length of the rail is |
| A. | 10.06 m |
| B. | 10.97 m |
| C. | 11.89 m |
| D. | 12.8 m |
| Answer» D. 12.8 m | |
| 463. |
In Indian railways, themaximum wheel base distance on broad gauge is 4.058 m. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 464. |
In India, the crossing number for passenger turnouts is taken as |
| A. | 6 |
| B. | 8.5 |
| C. | 10 |
| D. | 12 |
| Answer» D. 12 | |
| 465. |
The impact of the rail wheel ahead of the joint gives rise to the creep of the rail. This statement is according to |
| A. | wave theory |
| B. | percussion theory |
| C. | drag theory |
| D. | none of these |
| Answer» B. percussion theory | |
| 466. |
The heel clearance is always measured |
| A. | parallel |
| B. | perpendicular |
| Answer» B. perpendicular | |
| 467. |
The minimum composite sleeper index for wooden sleepers used over cross-overs, is |
| A. | 1352 |
| B. | 1455 |
| C. | 1555 |
| D. | 1652 |
| Answer» A. 1352 | |
| 468. |
The main device used for interlocking is |
| A. | point lock |
| B. | treadle bar |
| C. | detector |
| D. | all of these |
| Answer» D. all of these | |
| 469. |
A warner signal, which is first seen by the driver is known as |
| A. | disc signal |
| B. | home signal |
| C. | outer signal |
| D. | routing signal |
| Answer» C. outer signal | |
| 470. |
Which of the following statement is correct? |
| A. | Bearing plates are used in the case of hard sleepers. |
| B. | Chairs are used for flat - footed rails instead of bearing plates. |
| C. | Spacing of sleepers near the rail joint is closer. |
| D. | Spacing of sleepers in the middle of the rail is closer. |
| Answer» D. Spacing of sleepers in the middle of the rail is closer. | |
| 471. |
The ballast thrown around the sleepers and loosely filled on slopes is called boxing of ballast. |
| A. | Correct |
| B. | Incorrect |
| Answer» A. Correct | |
| 472. |
In a shunting signal, if the red band is horizontal, it indicates |
| A. | stop |
| B. | proceed cautiously |
| C. | proceed |
| D. | none of these |
| Answer» A. stop | |
| 473. |
The 254 mm side of a plate sleeper is |
| A. | intersecting the rail |
| B. | parallel to the rail |
| C. | connected with the rail |
| D. | none of these |
| Answer» B. parallel to the rail | |
| 474. |
The quantity of stone ballast required per metre tangent length for metre gauge is |
| A. | 0.767 m3 |
| B. | 1.11 m3 |
| C. | 1.51 m3 |
| D. | 2.11 m3 |
| Answer» A. 0.767 m3 | |
| 475. |
Which of the following statement is correct? |
| A. | When wheel passes over a rail joint, it causes positive creep. |
| B. | Insufficient and defective packing of ballast causes creep. |
| C. | Train wheels cause slight depression on the table of the rails due to their own weight |
| D. | all of the above |
| Answer» D. all of the above | |
| 476. |
The fillet in a rail section is provided to |
| A. | increase the vertical stiffness |
| B. | increase the lateral strength |
| C. | reduce wear |
| D. | avoid stress concentration |
| Answer» D. avoid stress concentration | |
| 477. |
The spike used for fixing chairs of bull headed rail to wooden sleepers is |
| A. | dog spike |
| B. | round spike |
| C. | elastic spike |
| D. | all of these |
| Answer» B. round spike | |
| 478. |
The spike commonly used to fix the rails on wooden sleepers is |
| A. | dog spike |
| B. | round spike |
| C. | screw spike |
| D. | all of these |
| Answer» D. all of these | |
| 479. |
Which of the following statement is wrong? |
| A. | The fish plates are so designed that they fit the underside of the rail head and top of the rail foot in case of front footed rails. |
| B. | Now-a-days, fist plates are manufactured of steel. |
| C. | Due to entering of sand between contact surface of rail and the fish plates, the wearing of fish plates start. |
| D. | In case of steel sleepers, the chairs are not welded. |
| Answer» D. In case of steel sleepers, the chairs are not welded. | |
| 480. |
The length of each fish plate is |
| A. | 317.5 mm |
| B. | 457.2 mm |
| C. | 514.3 mm |
| D. | 623.4 mm |
| Answer» B. 457.2 mm | |
| 481. |
The distance between two adjoining axles fixed in a rigid frame is known as |
| A. | gauge |
| B. | wheel base distance |
| C. | creep |
| D. | none of these |
| Answer» B. wheel base distance | |
| 482. |
The spacing of sleepers is kept |
| A. | closer near the joints |
| B. | closer at the middle of rails |
| C. | same throughout the length of rail |
| D. | none of these |
| Answer» B. closer at the middle of rails | |
| 483. |
The maximum value of throw of switch for a broad gauge track is |
| A. | 89 mm |
| B. | 95 mm |
| C. | 108 mm |
| D. | 121 mm |
| Answer» B. 95 mm | |
| 484. |
In the cross - sections of railway tracks, the side slope in cutting is same as that in embankment. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 485. |
The standard size of timber sleepers in railway tracks of metre gauge and narrow gauge is same. |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 486. |
When the train moves on the rail, it causes constant reversal of stresses. |
| A. | Right |
| B. | Wrong |
| Answer» A. Right | |
| 487. |
Creep causes |
| A. | opening of rail joints |
| B. | distortion of points and crossings |
| C. | buckling of track |
| D. | all of these |
| Answer» D. all of these | |
| 488. |
For metre gauge, 49.8 to 52.3 kg/m rail section is used. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 489. |
Trailing points are on the |
| A. | same |
| B. | opposite |
| Answer» B. opposite | |
| 490. |
The rail section first designed in Indian railways was |
| A. | double headed type |
| B. | bull headed type |
| C. | flat footed type |
| D. | none of these |
| Answer» A. double headed type | |
| 491. |
On Indian railways, cant deficiency allowed on broad gauge track is |
| A. | 56 mm |
| B. | 66 mm |
| C. | 76 mm |
| D. | 87 mm |
| Answer» C. 76 mm | |
| 492. |
The maximum limit of superelevation prescribed by Indian railways on narrow gauge is same as that on metre gauge. |
| A. | Agree |
| B. | Disagree |
| Answer» B. Disagree | |
| 493. |
The minimum composite sleeper index for wooden sleepers used over bridge girders, is |
| A. | 1352 |
| B. | 1455 |
| C. | 1555 |
| D. | 1652 |
| Answer» B. 1455 | |
| 494. |
In India, permissible limit of rail wear is |
| A. | 5% |
| B. | 10% |
| C. | 25% |
| D. | 30% |
| Answer» A. 5% | |
| 495. |
A good sleeper whould be such that |
| A. | the rails can be easily fixed and taekn out from the sleeper without moving them |
| B. | it can provide sufficient bearing area for the rail |
| C. | it can provide sufficient effective bearing area on the balast |
| D. | all of the above |
| Answer» D. all of the above | |
| 496. |
George Stephenson succeeded in running the first train of the world in |
| A. | 1825 |
| B. | 1835 |
| C. | 1841 |
| D. | 1853 |
| Answer» A. 1825 | |
| 497. |
The maximum limit of superelevation prescribed by Indian railways on broad gauge is |
| A. | 76.2 mm |
| B. | 83.2 mm |
| C. | 101.6 mm |
| D. | 165.1 mm |
| Answer» D. 165.1 mm | |
| 498. |
The overall depth of a dog spike is |
| A. | 120.6 mm |
| B. | 159.5 mm |
| C. | 175.9 mm |
| D. | 180.6 mm |
| Answer» A. 120.6 mm | |
| 499. |
The quantity of stone ballast required per metre tangent length for broad gauge is |
| A. | 0.767 m3 |
| B. | 1.11 m3 |
| C. | 1.51 m3 |
| D. | 2.11 m3 |
| Answer» B. 1.11 m3 | |
| 500. |
Tractive force, due to which engine pulls the train, is |
| A. | more than |
| B. | equal to |
| C. | less than |
| Answer» B. equal to | |
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