MCQOPTIONS
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MCQOPTIONS
This section includes 176 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The angle between the gauge faces of the stock rail and tongue rail, is called |
| A. | switch angle |
| B. | angle of crossing |
| C. | angle of turnout |
| D. | none of these. |
| Answer» B. angle of crossing | |
| 52. |
The rail section which is not used on Indian metre gauge tracks, is |
| A. | 25 R |
| B. | 30 R |
| C. | 35 R |
| D. | 40 R |
| Answer» E. | |
| 53. |
Arrangement made to divert the trains from one track to another, is known as |
| A. | railway point |
| B. | railway crossing |
| C. | turnout |
| D. | railway junction |
| Answer» D. railway junction | |
| 54. |
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. | |
| 55. |
Sand may be used as ballast for |
| A. | wooden sleepers |
| B. | steel sleepers |
| C. | cast iron sleepers |
| D. | all the above. |
| Answer» D. all the above. | |
| 56. |
For calculating the length of curve lead (C.L.), the correct formula is |
| A. | C.L. = G. cot α/2 |
| B. | C.L. = √2IG |
| C. | C.L. = 2 GN |
| D. | all the above. |
| Answer» E. | |
| 57. |
If S is the switch angle and α is diamond angle, r is the radius of slip, the distance between middle point slip and the nose of obtuse crossing, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 58. |
If D is distance between centres of two parallel tracks of gauge G with entire curved leads and equal angles of crossing, total length of crossover, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 59. |
If the standard length of a crossing is 480 cm, the number of crossing is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 60. |
The distance between the theoretical noses of crossing along the same rail, in case of diamond crossing, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 61. |
Widening of gauge is provided if degree of the curve, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 62. |
Minimum depth of ballast prescribed of B.G. trunk lines of Indian Railways, is |
| A. | 20 cm |
| B. | 15 cm |
| C. | 25 cm |
| D. | 30 cm |
| Answer» D. 30 cm | |
| 63. |
If G is gauge is metres, V is speed of trains in km/hour and R is radius of a curve in metres, the equilibrium superelevation is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 64. |
The weight of the rails depends upon |
| A. | gauge of the tracks |
| B. | speed of trains |
| C. | spacing of sleepers |
| D. | all the above. |
| Answer» E. | |
| 65. |
A kink is made in stock rails, ahead of the toe of switch at a distance of |
| A. | 10 cm |
| B. | 15 cm |
| C. | 20 cm |
| D. | 30 cm |
| Answer» C. 20 cm | |
| 66. |
The first Indian railway was laid in |
| A. | 1775 |
| B. | 1804 |
| C. | 1825 |
| D. | 1853 |
| Answer» E. | |
| 67. |
Rails are bent to correct curvature if the degree of curve, is more than |
| A. | 1° |
| B. | 2° |
| C. | 3° |
| D. | 4° |
| Answer» E. | |
| 68. |
If a 0.7% upgrade meets a 0.65% downgrade at a summit and the permissible rate of change of grade per chain length is 0.10%, the length of the vertical curve, is |
| A. | 10 chains |
| B. | 12 chains |
| C. | 14 chains |
| D. | 16 chains |
| Answer» D. 16 chains | |
| 69. |
Wooden sleepers used on the girders of bridges, are generally made of |
| A. | sal |
| B. | chir |
| C. | teak |
| D. | deodar. |
| Answer» D. deodar. | |
| 70. |
Overall depth of a dog spike, is |
| A. | 120.6 mm |
| B. | 155.90 mm |
| C. | 135 mm |
| D. | 150 mm |
| Answer» B. 155.90 mm | |
| 71. |
The quantity of stone ballast required per metre tangent length, is |
| A. | 1.15 m³ |
| B. | 1.14 m³ |
| C. | 1.13 m³ |
| D. | 1.11 m³ |
| Answer» E. | |
| 72. |
Coal ash (or cinder) is used in initial stages of a new construction of railway for |
| A. | wooden sleepers |
| B. | steel sleepers |
| C. | cast iron sleepers |
| D. | none of these. |
| Answer» B. steel sleepers | |
| 73. |
On a straight railway track, absolute levels at point A on two rails are 100.550 m and 100.530 m and the absolute levels at point B 100 m apart are 100.585 m and 100.515 m respectively, the value of twist of rails per metre run, is |
| A. | 0.4 mm |
| B. | 0.5 mm |
| C. | 0.7 mm |
| D. | 0.8 mm |
| Answer» C. 0.7 mm | |
| 74. |
A welded rail joint is generally |
| A. | supported on a sleeper |
| B. | supported on a metal plate |
| C. | suspended |
| D. | none of these. |
| Answer» D. none of these. | |
| 75. |
Bearing plates are used to fix |
| A. | flat footed rails to the wooden sleepers |
| B. | double headed rails to the wooden sleepers |
| C. | bull headed rails to the wooden sleepers |
| D. | flat footed rails to the cast iron sleepers |
| Answer» B. double headed rails to the wooden sleepers | |
| 76. |
For holding a rail in position, no chairs are used for |
| A. | flat footed rails |
| B. | bull headed rails |
| C. | double headed rails |
| D. | both (a) and (b) |
| Answer» B. bull headed rails | |
| 77. |
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 | |
| 78. |
The effective bearing area of all types of sleepers, is |
| A. | 0.40 m² |
| B. | 0.42 m² |
| C. | 0.44 m² |
| D. | 0.46 m² |
| Answer» E. | |
| 79. |
Burnettising is done for the preservation of |
| A. | wooden sleepers |
| B. | rails |
| C. | ballast |
| D. | none of these. |
| Answer» B. rails | |
| 80. |
If α is switch angle and R is radius of the turnout, the length of the tongue rail, is |
| A. | R sin α |
| B. | R tan α |
| C. | R sin α/2 |
| D. | R tan α/2 |
| Answer» E. | |
| 81. |
Continuity of electric current across welded rail joints, is maintained by |
| A. | welding ends of a wire to each rail |
| B. | placing an insulated plate underneath the rails |
| C. | placing insulation in expansion gaps |
| D. | none of these. |
| Answer» E. | |
| 82. |
Coning of wheels |
| A. | prevent lateral movement of wheels |
| B. | provide smooth running of trains |
| C. | avoid excessive wear of inner faces of rail |
| D. | all the above. |
| Answer» E. | |
| 83. |
Stock rails are |
| A. | parts of crossing |
| B. | fitted against check rails |
| C. | fitted against tongue rails |
| D. | laid between heel of switch and nose of crossing. |
| Answer» D. laid between heel of switch and nose of crossing. | |
| 84. |
The gradient on which an additonal engine is required to negotiate the gradient, is called |
| A. | momentum gradient |
| B. | pusher gradient |
| C. | ruling gradient |
| D. | steep gradient. |
| Answer» C. ruling gradient | |
| 85. |
Minimum length of a transition curve required for |
| A. | 2° curves for a maximum permissible speed of 135 km/hr, is 220 metres |
| B. | 4° curves for a maximum permissible speed of 95 km/hr, is 220 metres |
| C. | 6° curves for a maximum permissible speed of 80 km/hr, is 220 metres |
| D. | All the above. |
| Answer» E. | |
| 86. |
Pick up the incorrect statement from the following. Required tilt of 1 in 20 is provided |
| A. | to the tops of rails |
| B. | at rail seats in bearing plates |
| C. | at rail seats in chairs |
| D. | at rail seats in metal sleepers. |
| Answer» B. at rail seats in bearing plates | |
| 87. |
Minimum composite sleeper index for wooden sleepers used over bridge girders, is |
| A. | 1455 |
| B. | 1355 |
| C. | 1255 |
| D. | 1155 |
| Answer» B. 1355 | |
| 88. |
The lengths of the standard crossings in India for Broad gauge and Metre gauge tracks is same for |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 89. |
The spike commonly used to fix rails to wooden sleepers in Indian railways, is |
| A. | dog spike |
| B. | screw spike |
| C. | round spike |
| D. | all the above. |
| Answer» E. | |
| 90. |
A CST-9 sleeper consists of |
| A. | two inverted triangular pots on either side of rail seat |
| B. | a central plate with a projected key and box on the top of plate |
| C. | a tie bar and 4 cotters to connect two cast iron plates |
| D. | all the above. |
| Answer» E. | |
| 91. |
Safe speed (V) on a curve of radius 970 metres provided with two transition curves on Board Gauge track, is |
| A. | 112 km/hour |
| B. | 122 km/hour |
| C. | 132 km/hour |
| D. | 142 km/hour |
| Answer» D. 142 km/hour | |
| 92. |
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 | |
| 93. |
In Indian railways, plate laying is usually done by |
| A. | side method |
| B. | telescopic method |
| C. | American method |
| D. | all the above. |
| Answer» C. American method | |
| 94. |
Top surface of steel sleepers, is |
| A. | kept level throughout |
| B. | provided a cant of 1 in 20 inward |
| C. | provided a cant of 1 in 20 outward |
| D. | none of these. |
| Answer» C. provided a cant of 1 in 20 outward | |
| 95. |
In India the rails are manufactured by |
| A. | open hearth process |
| B. | duplex process |
| C. | both (a) and (b) |
| D. | neither (a) nor (b) |
| Answer» D. neither (a) nor (b) | |
| 96. |
The check rails are placed opposite the crossing so that |
| A. | it is symmetrically placed opposite nose of crossing |
| B. | its one-third length is ahead of the nose of crossing |
| C. | its two-third length is ahead of the nose of crossing |
| D. | its three fourth length is ahead of the nose of crossing. |
| Answer» D. its three fourth length is ahead of the nose of crossing. | |
| 97. |
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. | |
| 98. |
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. | |
| 99. |
Regional Indian railways use different types of sleepers according to their |
| A. | availability |
| B. | economy |
| C. | suitability |
| D. | all the above. |
| Answer» E. | |
| 100. |
Rails are fixed on steel sleepers |
| A. | by bearing plates |
| B. | by dog spikes |
| C. | by keys in lugs or jaws |
| D. | none of these. |
| Answer» D. none of these. | |