MCQOPTIONS
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MCQOPTIONS
This section includes 97 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
On Indian Railways, angle of crossing between gauge faces of Vee, is generallycalculated by |
| A. | Cole's method |
| B. | Centre line method |
| C. | Isosceles triangle method |
| D. | Both (a) and (b) |
| Answer» B. Centre line method | |
| 52. |
Consider the following surveys.1. Reconnaissance survey 2. Preliminary survey 3. Traffic survey 4. Location survey The 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. | |
| 53. |
The main advantage of a cement concrete sleeper, is: |
| A. | Its heavy weight which improves the track modulus |
| B. | Its capacity to maintain gauge |
| C. | Its suitability for track circuiting |
| D. | All the above |
| Answer» E. | |
| 54. |
The spread between the point and splice rails at a distance of 4.25 m is 50 cm. The sizeof the crossing is |
| A. | 1 in 6 |
| B. | 1 in 8½ |
| C. | 1 in 12 |
| D. | 1 in 16 |
| Answer» C. 1 in 12 | |
| 55. |
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 crossings The correct answer is |
| A. | (i) and (iii) |
| B. | (i) and (iv) |
| C. | (ii) and (iii) |
| D. | (ii) and (iv) |
| Answer» C. (ii) and (iii) | |
| 56. |
According to Indian Railway Board, no diamond crossing should be flatter than |
| A. | 1 in 6 |
| B. | 1 in 8½ |
| C. | 1 in 12 |
| D. | 1 in 16 |
| Answer» C. 1 in 12 | |
| 57. |
If S is cant deficiency in centimetres and V is maximum permissible speed in kmph, the maximum length of transition curves, is |
| A. | SV/13.6 |
| B. | SV/19.8 |
| C. | SV/127 |
| D. | SV/16.8 |
| Answer» B. SV/19.8 | |
| 58. |
Smith diamond is provided if the angle of diamond is less than |
| A. | 2° |
| B. | 4° |
| C. | 6° |
| D. | 8° |
| Answer» D. 8° | |
| 59. |
Which of the following methods of designation of crossing is mostly used in India? |
| A. | Center line method |
| B. | Right angle method |
| C. | Isosceles angle method |
| D. | None of the above |
| Answer» C. Isosceles angle method | |
| 60. |
A Broad Gauge branch line takes off as a contrary flexure from a main line. If the superelevation required for branch line is 10 mm and cant deficiency is 75 mm, the super-elevation to be actually provided on the branch line will be |
| A. | 10 mm |
| B. | 64 mm |
| C. | 85 mm |
| D. | 65 mm |
| Answer» E. | |
| 61. |
Which of the following devices is used to transfer the wagons or locomotives to and from parallel tracks without any necessity of shunting? |
| A. | Triangle |
| B. | Turntable |
| C. | Traverser |
| D. | Scotch block |
| Answer» D. Scotch block | |
| 62. |
Dimensions of a plate girder are: |
| A. | 851 mm × 851 mm |
| B. | 255 mm × 254 mm |
| C. | 851 mm × 254 mm |
| D. | 551 mm × 254 mm |
| Answer» D. 551 mm × 254 mm | |
| 63. |
For a sleeper density of (n + 5), the number of sleepers required for constructing a broadgauge railway track of length 650 m is |
| A. | 975 |
| B. | 918 |
| C. | 900 |
| D. | 880 |
| Answer» D. 880 | |
| 64. |
To design a cross-over between parallel tracks, the required components are: |
| A. | Two switch points, two acute angle crossings and two check rails |
| B. | Two switch points, two acute angle crossings and four check rails |
| C. | Two switch points, two acute angle crossings and six check rails |
| D. | None of these |
| Answer» C. Two switch points, two acute angle crossings and six check rails | |
| 65. |
The distance between theoretical nose of crossing and actual nose of crossing forpractical purposes, is |
| A. | Nose thickness × |
| B. | Nose thickness × |
| C. | Nose thickness × |
| D. | Nose thickness × |
| Answer» C. Nose thickness × | |
| 66. |
Yellow light-hand signal indicates |
| A. | Stop |
| B. | Proceed |
| C. | Proceed cautiously |
| D. | None of the above |
| Answer» D. None of the above | |
| 67. |
Degree of a railway curve is defined as number of degrees subtended at the centre of acurve by |
| A. | 10 m |
| B. | 15 m |
| C. | 20 m |
| D. | 30.5 m |
| Answer» E. | |
| 68. |
On Indian Railways, the approximate weight of a rail section is determined from theformula |
| 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 | |
| 69. |
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 cutting The 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) | |
| 70. |
If D is distance between centres of two parallel track of gauge G, then, total length ofcross-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)] | |
| 71. |
Charles Blacker Vignoles invented the flat footed rails in |
| A. | 1814 |
| B. | 1836 |
| C. | 1846 |
| D. | 1856 |
| Answer» C. 1846 | |
| 72. |
If L1 and L2 are actual and theoretical lengths of a tongue rail, d is heel divergence and tis 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/ | |
| 73. |
Number of keys used in CST-9 sleeper is |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | None of the above |
| Answer» B. 3 | |
| 74. |
The correct relation between curve lead (CL), switch lead (SL) and lead of crossing (L) is given by |
| A. | CL = L - SL |
| B. | L =CL - SL |
| C. | SL = L + CL |
| D. | L = (CL + SL)/2 |
| Answer» C. SL = L + CL | |
| 75. |
Sleeper density in India is normally kept as |
| A. | (M + 2) to (M + 7) |
| B. | M to (M + 2) |
| C. | (M + 5) to (M + 10) |
| D. | MM |
| Answer» B. M to (M + 2) | |
| 76. |
The reception signal is (i) Outer signal (ii) Home signal (iii) Starter (iv) Advanced starter The correct answer is |
| A. | (i) and (ii) |
| B. | (ii) and (iii) |
| C. | (iii) and (iv) |
| D. | (i) and (iv) |
| Answer» B. (ii) and (iii) | |
| 77. |
The compensation for curvature on gradient for Meter Gauge is given by |
| A. | 70/R |
| B. | 52.5/R |
| C. | 35/R |
| D. | 105/RR |
| Answer» C. 35/R | |
| 78. |
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. | |
| 79. |
What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gaugetrack? |
| A. | 28.49 m |
| B. | 21.04 m |
| C. | 14.24 m |
| D. | 7.45 m |
| Answer» B. 21.04 m | |
| 80. |
In a B.G. railway track, the specified ruling gradient is 1 in 250. The horizontal curve of3° 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 | |
| 81. |
If S and H are strength and hardness index of a timber at 12% moisture content, thecomposite sleeper index, is |
| A. | (H + 10S)/20 |
| B. | (S + 10H)/20 |
| C. | (20S + H)/10 |
| D. | (S + 20H)/10 |
| Answer» C. (20S + H)/10 | |
| 82. |
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 | |
| 83. |
If D distance between the noses of crossing measured parallel to the main track, is |
| A. | D |
| B. | D |
| C. | D |
| D. | D |
| Answer» C. D | |
| 84. |
Maximum value of 'throw of switch' for Broad Gauge track is |
| A. | 89 mm |
| B. | 95 mm |
| C. | 100 mm |
| D. | 115 mm |
| Answer» E. | |
| 85. |
Normally the limiting value of cant is |
| A. | G/8 |
| B. | G/10 |
| C. | G/12 |
| D. | G/15 |
| Answer» C. G/12 | |
| 86. |
The following tests are conducted for rails: (i) Falling weight test (ii) Tensile test (iii) Hammer test The compulsory tests are |
| A. | Only (i) |
| B. | (i) and (ii) |
| C. | (ii) and (iii) |
| D. | (i) and (iii) |
| Answer» C. (ii) and (iii) | |
| 87. |
The tunnels, the artificial underground passages are constructed for: |
| A. | Highways |
| B. | Railways |
| C. | Sewerage |
| D. | All the above |
| Answer» E. | |
| 88. |
Drifters can be used to drill |
| A. | Only up holes |
| B. | Only down holes |
| C. | Horizontal or up holes |
| D. | Horizontal down or up holes |
| Answer» E. | |
| 89. |
Which of the following methods of tunneling is used for long tunnels at great depths? |
| A. | Army method |
| B. | Needle beam method |
| C. | Austrian method |
| D. | English method |
| Answer» D. English method | |
| 90. |
Which of the following lining material is useful for shield driven tunnels in sub aqueous regions? |
| A. | Stone masonry |
| B. | Timber |
| C. | Cast iron |
| D. | Cement concrete |
| Answer» D. Cement concrete | |
| 91. |
Which of the following are percussion drills?(i) Shot drill(ii) Diamond drill(iii) Wagon drill(iv) Churn drill |
| A. | (i) and (ii) are correct |
| B. | (iii) and (iv) are correct |
| C. | (i) and (iv) are correct |
| D. | (ii) and (iii) are correct |
| Answer» C. (i) and (iv) are correct | |
| 92. |
*$_The tunnels, the artificial underground passages are constructed for:? |
| A. | Highways |
| B. | Railways |
| C. | Sewerage |
| D. | All the above |
| Answer» E. | |
| 93. |
%_Drifters can be used to drill_% |
| A. | Only up holes |
| B. | Only down holes |
| C. | Horizontal or up holes |
| D. | Horizontal down or up holes |
| Answer» E. | |
| 94. |
_Which of the following methods of tunneling is used for long tunnels at great depths?$? |
| A. | Army method |
| B. | Needle beam method |
| C. | Austrian method |
| D. | English method |
| Answer» D. English method | |
| 95. |
Which of the following lining material is useful for shield driven tunnels in sub aqueous regions?$? |
| A. | Stone masonry |
| B. | Timber |
| C. | Cast iron |
| D. | Cement concrete |
| Answer» D. Cement concrete | |
| 96. |
Which of the following lining material is useful for shield driven tunnels in sub aqueous regions?? |
| A. | Stone masonry |
| B. | Timber |
| C. | Cast iron |
| D. | Cement concrete |
| Answer» D. Cement concrete | |
| 97. |
Which of the following are percussion drills? (i) Shot drill (ii) Diamond drill (iii) Wagon drill (iv) Churn drill |
| A. | (i) and (ii) are correct |
| B. | (iii) and (iv) are correct |
| C. | (i) and (iv) are correct |
| D. | (ii) and (iii) are correct |
| Answer» C. (i) and (iv) are correct | |