McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 101. |
On Indian Railways standard length of rails for B.G. track, is |
| A. | 33 ft (10.06 m) |
| B. | 36 ft (10.97 m) |
| C. | 39 ft (11.89 m) |
| D. | 42 ft (12.8 m) |
| Answer» D. 42 ft (12.8 m) | |
| 102. |
Wing rails are provided |
| A. | near tongue rails |
| B. | near check rails |
| C. | near stock rails |
| D. | in crossing |
| Answer» D. in crossing | |
| 103. |
The side slope of embankments for a railway track is generally taken as |
| A. | 1 : 1 |
| B. | 1.5 : 1 |
| C. | 2 : 1 |
| D. | 1 : 2 |
| Answer» C. 2 : 1 | |
| 104. |
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» B. (s + 10h)/20 | |
| 105. |
If D is the distance between parallel tracks G between theoretical noses of two crossings measured parallel to tracks, is |
| A. | (d - g - g ) |
| B. | (d - g + g ) |
| C. | (d - g - g ) |
| D. | (d + g + g ) |
| Answer» A. (d - g - g ) | |
| 106. |
Minimum composite sleeper index prescribed on Indian Railways for a track sleeper is |
| A. | 552 |
| B. | 783 |
| C. | 1352 |
| D. | 1455 |
| Answer» B. 783 | |
| 107. |
To achieve best performance, the type of switch preferred to, is |
| A. | undercut switch |
| B. | straight-cut switch |
| C. | overriding switch |
| D. | both (a) and (b) |
| Answer» C. overriding switch | |
| 108. |
On B.G. tracks the distance of outer signal from station limit is kept |
| A. | 510 m |
| B. | 520 m |
| C. | 530 m |
| D. | 540 m |
| Answer» D. 540 m | |
| 109. |
The limiting value of cant deficiency for Meter Gauge routes is |
| A. | 40 mm |
| B. | 50 mm |
| C. | 75 mm |
| D. | 100 mm |
| Answer» B. 50 mm | |
| 110. |
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» D. all the above | |
| 111. |
The main advantage of a long rail over short one, is |
| A. | it requires less number of rail fastenings |
| B. | it provides smooth running of trains |
| C. | it involves less maintenance cost |
| D. | all the above |
| Answer» D. all the above | |
| 112. |
Rail section first designed on Indian railways, was |
| A. | double headed |
| B. | bull headed |
| C. | flat footed |
| D. | (a) and (b) simultaneously |
| Answer» A. double headed | |
| 113. |
The lengths of the standard crossings in India for Broad gauge and Metre gauge tracks is same for |
| A. | 1 in 8½ b.g. and, in 12 m.g. |
| B. | 1 in 12 b.g. and, 1 in 16 m.g. |
| C. | 1 in 12 b.g. and 1 in 8½ m.g. |
| D. | 1 in 16 b.g. and 1 in 12 m.g. |
| Answer» A. 1 in 8½ b.g. and, in 12 m.g. | |
| 114. |
For the purpose of track maintenance, the number of turn out equivalent to one track km is |
| A. | 1 |
| B. | 2 |
| C. | 5 |
| D. | 10 |
| Answer» D. 10 | |
| 115. |
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» C. 851 mm × 254 mm | |
| 116. |
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» C. its two-third length is ahead of the nose of crossing | |
| 117. |
Check rails are provided on inner side of inner rails if sharpness of a B.G. curve, is more than |
| A. | 3° |
| B. | 5° |
| C. | 6° |
| D. | 8° |
| Answer» D. 8° | |
| 118. |
Largest percentage of material in the rail is in its |
| A. | head |
| B. | web |
| C. | foot |
| D. | head and foot both |
| Answer» A. head | |
| 119. |
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 8½ |
| C. | 1 in 12 |
| D. | 1 in 16 |
| Answer» B. 1 in 8½ | |
| 120. |
Packing of ballast is done |
| A. | near the ends of sleepers |
| B. | on the shoulders |
| C. | under sleepers |
| D. | between two rails |
| Answer» C. under sleepers | |
| 121. |
The total gap on both sides between the inside edges of wheel flanges and gauge faces of the rail is kept as |
| A. | 10 mm |
| B. | 13 mm |
| C. | 16 mm |
| D. | 19 mm |
| Answer» D. 19 mm | |
| 122. |
The rail section which is not used on Indian Broad Gauge tracks, is |
| A. | 35 r |
| B. | 40 r |
| C. | 45 r |
| D. | 55 r |
| Answer» B. 40 r | |
| 123. |
In a diamond crossing, numbers of noses are |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 6 |
| Answer» D. 6 | |
| 124. |
Number of cotters used in CST-9 sleepers is |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 125. |
In Indian railways, plate laying is usually done by |
| A. | side method |
| B. | telescopic method |
| C. | american method |
| D. | all the above |
| Answer» B. telescopic method | |
| 126. |
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» A. switch angle | |
| 127. |
In permanent way, ballast |
| A. | transfers load from sleepers to the formation |
| B. | provides an elastic bed to the track |
| C. | provides a drainage of track |
| D. | all the above |
| Answer» D. all the above | |
| 128. |
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» C. traverser | |
| 129. |
If absolute levels of rails at the consecutive axles A, B, and C separated by 1.8 metres are 100.505 m, 100.530 m, and 100.525 m respectively, the unevenness of rails, is |
| A. | 0.065 m |
| B. | 0.055 m |
| C. | 0.045 m |
| D. | 0.035 m |
| Answer» A. 0.065 m | |
| 130. |
Spacing of sleepers |
| A. | throughout the length of a rail is kept uniform |
| B. | near rail joints, is kept closer |
| C. | at the middle of rails, is kept closer |
| D. | none of these |
| Answer» C. at the middle of rails, is kept closer | |
| 131. |
Distance between the inner rail and check rail provided on sharp curve, is |
| A. | 40 mm |
| B. | 42 mm |
| C. | 44 mm |
| D. | 46 mm |
| Answer» C. 44 mm | |
| 132. |
30 m long rails are used in |
| A. | india |
| B. | u.k. |
| C. | russia |
| D. | u.s.a. |
| Answer» D. u.s.a. | |
| 133. |
The load on each axle of a locomotive is 22 tonnes. If the coefficient of friction is 0.2, then the hauling capacity due to 3 pairs of driving wheels will be |
| A. | 26.41 |
| B. | 19.81 |
| C. | 13.21 |
| D. | 6.61 |
| Answer» C. 13.21 | |
| 134. |
Overall depth of a dog spike, is |
| A. | 120.6 mm |
| B. | 155.90 mm |
| C. | 135 mm |
| D. | 150 mm |
| Answer» A. 120.6 mm | |
| 135. |
To prevent creep in rails, the steel sleepers are fixed with rails by clips, bolts and |
| A. | one key |
| B. | two keys |
| C. | three keys |
| D. | four keys |
| Answer» D. four keys | |
| 136. |
52 kg rails are mostly used in |
| A. | broad gauge |
| B. | metre gauge |
| C. | narrow gauge |
| D. | both (a) and (b) |
| Answer» A. broad gauge | |
| 137. |
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» C. 132 km/hour | |
| 138. |
Widening of gauge is provided if degree of the curve, is |
| A. | 3° or less |
| B. | 3° to 4½° |
| C. | more than 4½° |
| D. | none of these |
| Answer» C. more than 4½° | |
| 139. |
The height of the rail for 52 kg rail section is |
| A. | 143 mm |
| B. | 156 mm |
| C. | 172 mm |
| D. | 129 mm |
| Answer» B. 156 mm | |
| 140. |
The life of a wooden sleeper depends upon |
| A. | quality of its timber |
| B. | ability to resist decay |
| C. | resistance to weathering |
| D. | all the above |
| Answer» D. all the above | |
| 141. |
Anti-creep anchors are fixed to rails by |
| A. | wedging |
| B. | spring grip |
| C. | clamping |
| D. | all the above |
| Answer» D. all the above | |
| 142. |
Composite sleeper index determines |
| A. | number of sleepers per rail length |
| B. | suitability of wooden sleepers |
| C. | permissible stresses in steel sleepers |
| D. | none of these |
| Answer» B. suitability of wooden sleepers | |
| 143. |
If G is gauge distance and a is crossing, the distance between the nose of acute crossing and nose of obtuse crossing of a rail diamond, measured along the rail not forming the diamond, is |
| A. | g |
| B. | g |
| C. | g |
| D. | g |
| Answer» A. g | |
| 144. |
Loose jaws of steel trough sleepers are made of |
| A. | cast steel |
| B. | mild steel |
| C. | cast iron |
| D. | spring steel |
| Answer» D. spring steel | |
| 145. |
Regional Indian railways use different types of sleepers according to their |
| A. | availability |
| B. | economy |
| C. | suitability |
| D. | all the above |
| Answer» D. all the above | |
| 146. |
In Indian railways, the ratio of axle load and weight of rail, is |
| A. | 312 |
| B. | 412 |
| C. | 512 |
| D. | 600 |
| Answer» C. 512 | |
| 147. |
Maximum value of 'throw of switch' for Broad Gauge track is |
| A. | 89 mm |
| B. | 95 mm |
| C. | 100 mm |
| D. | 115 mm |
| Answer» D. 115 mm | |
| 148. |
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» B. provided a cant of 1 in 20 inward | |
| 149. |
If D distance between the noses of crossing measured parallel to the main track, is |
| A. | d |
| B. | d |
| C. | d |
| D. | d |
| Answer» B. d | |
| 150. |
Metal sleepers are superior to wooden sleepers with respect to |
| A. | cost |
| B. | life |
| C. | track circuiting |
| D. | fastening |
| Answer» B. life | |
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