MCQOPTIONS
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MCQOPTIONS
This section includes 27 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
On a Single Rail Track,goods trains loadedwith heavy load material run starting from A to B and then empty wagon run from B to A .The amount of creep in the rails: |
| A. | Will be more in the direction of B to A |
| B. | Will be more in the direction of A to B |
| C. | Will be maximum at the middle of A and B |
| D. | Cannot be determined from the given data |
| Answer» C. Will be maximum at the middle of A and B | |
| 2. |
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 | |
| 3. |
The spread between the point and splice rails at a distance of 4.25 m is 50 cm. The size of the crossing is |
| A. | 1 in 6 |
| B. | 1 in 8 |
| C. | 1 in 12 |
| D. | 1 in 16 |
| Answer» C. 1 in 12 | |
| 4. |
Consider the following surveys.1. Reconnaissance survey2. Preliminary survey3. Traffic survey4. Location surveyThe correct sequence in which these surveys are conducted before the alignment of a track is finalised is |
| A. | 1, 3, 2, 4 |
| B. | 1, 3, 4, 2 |
| C. | 3, 1, 4, 2 |
| D. | 3, 1, 2, 4 |
| Answer» E. | |
| 5. |
Consider the following statements:Automatic signalling system results in1. Greater risk2. Higher efficiency3. Avoidance of block instruments4. Higher operating costOf these statements |
| A. | 1 and 2 are correct |
| B. | 3 and 4 are correct |
| C. | 1 and 4 are correct |
| D. | 2 and 3 are correct |
| Answer» E. | |
| 6. |
The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is |
| A. | 6.10 m |
| B. | 8.84 m |
| C. | 10.21 m |
| D. | 10.82 m |
| Answer» D. 10.82 m | |
| 7. |
Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275 25 13 cm with 75 cm sleeper spacing is |
| A. | 15 cm |
| B. | 20 cm |
| C. | 25 cm |
| D. | 30 cm |
| Answer» D. 30 cm | |
| 8. |
If L1 and L2 are actual and theoretical lengths of a tongue rail, d is heel divergence and t is thickness |
| A. | sin 1 (d - t/ |
| B. | tan 1 (d - t/ |
| C. | sin 1 (d - t/ |
| D. | tan 1 (d - t/ |
| Answer» B. tan 1 (d - t/ | |
| 9. |
On Indian Railways, angle of crossing between gauge faces of Vee, is generally calculated by |
| A. | Cole's method |
| B. | Centre line method |
| C. | Isosceles triangle method |
| D. | Both (a) and (b) |
| Answer» B. Centre line method | |
| 10. |
Which of the following factors govern the choice of the gauge?(i) Volume and nature of traffic(ii) Speed of train(iii) Physical features of the countryThe correct answer is |
| A. | Only (i) |
| B. | Both (i) and (ii) |
| C. | Both (ii) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» E. | |
| 11. |
On Indian Railways, the approximate weight of a rail section is determined from the formula |
| A. | Weight of the rail/axial load of locomotive = 1/10 |
| B. | Weight of the rail/axial load of locomotive = 1/410 |
| C. | Weight of the rail/axial load of locomotive = 1/510 |
| D. | Weight of the rail/axial load of locomotive = 1/610 |
| Answer» D. Weight of the rail/axial load of locomotive = 1/610 | |
| 12. |
If D is distance between centres of two parallel track of gauge G, then, total length of cross-over (from the point of commencement to the point of termination) with an intermediate straight portion and N crossing, is given by |
| A. | DN + G [N + N2)] |
| B. | DN + G [2N + N2)] |
| C. | DN + G [3N + N2)] |
| D. | DN + G [4N + N2)] |
| Answer» D. DN + G [4N + N2)] | |
| 13. |
If S and H are strength and hardness index of a timber at 12% moisture content, the composite sleeper index, is |
| A. | (H + 10S)/20 |
| B. | (S + 10H)/20 |
| C. | (20S + H)/10 |
| D. | (S + 20H)/10 |
| Answer» C. (20S + H)/10 | |
| 14. |
In a scissors crossover, the crossings provided are(i) 2 obtuse angle crossings(ii) 4 obtuse angle crossings(iii) 4 acute angle crossings(iv) 6 acute angle crossingsThe correct answer is |
| A. | (i) and (iii) |
| B. | (i) and (iv) |
| C. | (ii) and (iii) |
| D. | (ii) and (iv) |
| Answer» C. (ii) and (iii) | |
| 15. |
Study the following statements regarding creep.(i) Creep is greater on curves than on tangent railway track,(ii) Creep in new rails is more than that in old rails,(iii) Creep is more on steep gradients than on level track. The correct answer is |
| A. | Only (i) |
| B. | (i) and (ii) |
| C. | (ii) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» C. (ii) and (iii) | |
| 16. |
Switch angle depends on(i) Heel divergence(ii) Length of tongue rail(iii) Flange-way clearance(iv) Throw of switchThe correct answer is |
| A. | (i) and (ii) |
| B. | (ii) and (iii) |
| C. | (iii) and (iv) |
| D. | (i) and (iv) |
| Answer» B. (ii) and (iii) | |
| 17. |
Consider the following statements about concrete sleepers.1. They improve the track modulus.2. They have good scrap value.3. They render transportation easy.4. They maintain the gauge quite satisfactorily. Of these statements |
| A. | 1 and 2 are correct |
| B. | 2 and 3 are correct |
| C. | 3 and 4 are correct |
| D. | 1 and 4 are correct |
| Answer» E. | |
| 18. |
In a B.G. railway track, the specified ruling gradient is 1 in 250. The horizontal curve of 3 on a gradient of 1 in 250 will have the permissible gradient of |
| A. | 1 in 257 |
| B. | 1 in 357 |
| C. | 1 in 457 |
| D. | 1 in 512 |
| Answer» C. 1 in 457 | |
| 19. |
The following tests are conducted for rails:(i) Falling weight test(ii) Tensile test(iii) Hammer testThe compulsory tests are |
| A. | Only (i) |
| B. | (i) and (ii) |
| C. | (ii) and (iii) |
| D. | (i) and (iii) |
| Answer» C. (ii) and (iii) | |
| 20. |
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 | |
| 21. |
The type of bearing plate used in all joints and on curves to give better bearing area to the rails is |
| A. | Flat mild steel bearing plate |
| B. | Mild steel canted bearing plate |
| C. | Cast iron anti-creep bearing plate |
| D. | None of the above |
| Answer» C. Cast iron anti-creep bearing plate | |
| 22. |
The reception signal is(i) Outer signal(ii) Home signal(iii) Starter(iv) Advanced starterThe correct answer is |
| A. | (i) and (ii) |
| B. | (ii) and (iii) |
| C. | (iii) and (iv) |
| D. | (i) and (iv) |
| Answer» B. (ii) and (iii) | |
| 23. |
Degree of a railway curve is defined as number of degrees subtended at the centre of a curve by |
| A. | 10 m |
| B. | 15 m |
| C. | 20 m |
| D. | 30.5 m |
| Answer» E. | |
| 24. |
What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gauge track? |
| A. | 28.49 m |
| B. | 21.04 m |
| C. | 14.24 m |
| D. | 7.45 m |
| Answer» B. 21.04 m | |
| 25. |
The formation width for a railway track depends on the(i) Type of gauge(ii) Number of tracks to be laid side by side(iii) Slope of sides of embankment or cuttingThe correct answer is |
| A. | Only (i) |
| B. | Both (i) and (ii) |
| C. | Both (i) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» C. Both (i) and (iii) | |
| 26. |
Which of the following turnouts is most commonly used for goods train on Indian Railways? |
| A. | 1 in 8'/2 |
| B. | 1 in 12 |
| C. | 1 in 16 |
| D. | 1 in 20 |
| Answer» B. 1 in 12 | |
| 27. |
The distance between theoretical nose of crossing and actual nose of crossing for practical purposes, is |
| A. | Nose thickness |
| B. | Nose thickness |
| C. | Nose thickness |
| D. | Nose thickness |
| Answer» C. Nose thickness | |