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This section includes 440 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Anti creep bearing plates are provided on_________________? |
| A. | bridges and approaches |
| B. | joints |
| C. | both (A) and (B) |
| D. | none of the above |
| Answer» E. | |
| 102. |
A triangle is used for__________________? |
| A. | changing the direction of engine |
| B. | transferring wagons to and from parallel tracks without shunting |
| C. | separating all the sidings and shunting lines from main lines |
| D. | preventing the vehicles from running off the track |
| Answer» B. transferring wagons to and from parallel tracks without shunting | |
| 103. |
A treadle bar is used for_____________________? |
| A. | interlocking points and signal |
| B. | setting points and crossings |
| C. | setting marshalling yard signals |
| D. | track maintenance |
| Answer» B. setting points and crossings | |
| 104. |
A train is hauled by 4-8-2 locomotive. The number of driving wheels in this locomotive is_________________? |
| A. | 4 |
| B. | 8 |
| C. | 12 |
| D. | 14 |
| Answer» C. 12 | |
| 105. |
The distance through which the tongue rail moves laterally at the toe of the switch for movementof trains is called |
| A. | flange-way clearance |
| B. | heel divergence |
| C. | throw of the switch |
| D. | none of the above |
| Answer» D. none of the above | |
| 106. |
Monnier, the inventor of R.C.C., suggested the introduction of reinforced cement concert sleepersfor the railways in |
| A. | 1857 |
| B. | 1867 |
| C. | 1877 |
| D. | 1887 |
| Answer» D. 1887 | |
| 107. |
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 | |
| 108. |
The steepest gradient permissible on a 2.5° curve for Broad Gauge line having ruling gradient of 1in 200 is |
| A. | 1 in 250 |
| B. | 1 in 222 |
| C. | 1 in 235 |
| D. | 1 in 275 |
| Answer» B. 1 in 222 | |
| 109. |
If G is gauge is metres, V is speed of trains in km/hour and R is radius of a curve in metres, theequilibrium super elevation is |
| A. | gv²/r |
| B. | gv²/17r |
| C. | gv²/127r |
| D. | gv²/130r |
| Answer» D. gv²/130r | |
| 110. |
If S is cant deficiency in centimetres and V is maximum permissible speed in kmph, the maximumlength of transition curves, is |
| A. | sv/13.6 |
| B. | sv/19.8 |
| C. | sv/127 |
| D. | sv/16.8 |
| Answer» B. sv/19.8 | |
| 111. |
If sleeper density is M + 7 for 13 m rails, the minimum depth of ballast under wooden sleepers (25cm × 13 cm), is |
| A. | 15 cm |
| B. | 20 cm |
| C. | 25 cm |
| D. | 30 cm |
| Answer» C. 25 cm | |
| 112. |
Which of the following mechanical devices is used to ensure that route cannot be changed whilethe train is on the point even after putting back the signal? |
| A. | detectors |
| B. | point lock |
| C. | iock bar |
| D. | stretcher bar |
| Answer» D. stretcher bar | |
| 113. |
If D is distance between centres of two parallel tracks of gauge G with entire curved leads andequal angles of crossing, total length of crossover, is |
| A. | d (4r - 2g - d)] |
| B. | d (3r - 2g -d)] |
| C. | d (3r + 2g - d)] |
| D. | d (4 + 2g - d)] |
| Answer» B. d (3r - 2g -d)] | |
| 114. |
The formation width for a double line Broad Gauge track in cutting (excluding drains) as adoptedon Indian Railways is |
| A. | 6.10 m |
| B. | 8.84 m |
| C. | 10.21 m |
| D. | 10.82 m |
| Answer» D. 10.82 m | |
| 115. |
If Ddistance between the noses of crossing measured parallel to the main track, is |
| A. | d |
| B. | d |
| C. | d |
| D. | d |
| Answer» C. d | |
| 116. |
If G is gauge distance and a is crossing, the distance between the nose of acute crossing and noseof obtuse crossing of a rail diamond, measured along the rail not forming the diamond, is |
| A. | g |
| B. | g |
| C. | g |
| D. | g |
| Answer» B. g | |
| 117. |
Safe speed (V) on a curve of radius 970 metres provided with two transition curves on BoardGauge track, is |
| A. | 112 km/hour |
| B. | 122 km/hour |
| C. | 132 km/hour |
| D. | 142 km/hour |
| Answer» D. 142 km/hour | |
| 118. |
The load on each axle of a locomotive is 22 tonnes. If the coefficient of friction is 0.2, then thehauling capacity due to 3 pairs of driving wheels will be |
| A. | 26.41 |
| B. | 19.81 |
| C. | 13.21 |
| D. | 6.61 |
| Answer» D. 6.61 | |
| 119. |
If absolute levels of rails at the consecutive axles A, B, and C separated by 1.8 metres are 100.505m, 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» B. 0.055 m | |
| 120. |
Which of the following devices is used to transfer the wagons or locomotives to and from paralleltracks without any necessity of shunting? |
| A. | triangle |
| B. | turntable |
| C. | traverser |
| D. | scotch block |
| Answer» D. scotch block | |
| 121. |
The total gap on both sides between the inside edges of wheel flanges and gauge faces of the railis kept as |
| A. | 10 mm |
| B. | 13 mm |
| C. | 16 mm |
| D. | 19 mm |
| Answer» E. | |
| 122. |
The spread between the point and splice rails at a distance of 4.25 m is 50 cm. The size of thecrossing is |
| A. | 1 in 6 |
| B. | 1 in 8½ |
| C. | 1 in 12 |
| D. | 1 in 16 |
| Answer» C. 1 in 12 | |
| 123. |
Minimum composite sleeper index prescribed on Indian Railways for a track sleeper is |
| A. | 552 |
| B. | 783 |
| C. | 1352 |
| D. | 1455 |
| Answer» C. 1352 | |
| 124. |
If D is the distance between parallel tracks Gbetween 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» B. (d - g + g ) | |
| 125. |
If S and H are strength and hardness index of a timber at 12% moisture content, the compositesleeper index, is |
| A. | (h + 10s)/20 |
| B. | (s + 10h)/20 |
| C. | (20s + h)/10 |
| D. | (s + 20h)/10 |
| Answer» C. (20s + h)/10 | |
| 126. |
Heel divergency, the distance between the running faces of stock rail and gauge face of tonguerail, as recommended for Indian B.G. tracks, is |
| A. | 100 mm |
| B. | 119 mm |
| C. | 125 mm |
| D. | 135 mm |
| Answer» E. | |
| 127. |
A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming thecoefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive? |
| A. | 15.0 tonnes |
| B. | 22.5 tonnes |
| C. | 45.0 tonnes |
| D. | 90.0 tonnes |
| Answer» C. 45.0 tonnes | |
| 128. |
Ballast packed below and around the sleepers to transfer the load from sleepers to formation,generally consists of |
| A. | broken stones |
| B. | gravels |
| C. | moorum |
| D. | all the above |
| Answer» E. | |
| 129. |
The formation width for a single line meter gauge track in embankment as adopted on IndianRailways is |
| A. | 4.27 m |
| B. | 4.88 m |
| C. | 5.49 m |
| D. | 6.10 m |
| Answer» C. 5.49 m | |
| 130. |
Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275 × 25 × 13 cm with75 cm sleeper spacing is |
| A. | 15 cm |
| B. | 20 cm |
| C. | 25 cm |
| D. | 30 cm |
| Answer» D. 30 cm | |
| 131. |
The arrangement of rails which permit trains to cross another track and also to divert to the othertrack, is called |
| A. | diamond crossing |
| B. | diamond crossing with single slip |
| C. | diamond crossing with double slip |
| D. | cross over |
| Answer» D. cross over | |
| 132. |
In a B.G. railway track, the specified ruling gradient is 1 in 250. The horizontal curve of 3° on agradient 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 | |
| 133. |
On a single line track, 10 goods trains loaded with iron ore run from A to B and empty wagonsreturn from B to A daily. Amount of creep of the rails will be |
| A. | zero |
| B. | more in the direction a to b |
| C. | more in the direction b to a |
| D. | none of these |
| Answer» C. more in the direction b to a | |
| 134. |
If a 0.7% upgrade meets a 0.65% downgrade at a summit and the permissible rate of change ofgrade 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 | |
| 135. |
The distance between theoretical nose of crossing and actual nose of crossing for practicalpurposes, is |
| A. | nose thickness × |
| B. | nose thickness × |
| C. | nose thickness × |
| D. | nose thickness × |
| Answer» C. nose thickness × | |
| 136. |
Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge forIndian 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 | |
| 137. |
For a sleeper density of (n + 5), the number of sleepers required for constructing a broad gaugerailway track of length 650 m is |
| A. | 975 |
| B. | 918 |
| C. | 900 |
| D. | 880 |
| Answer» D. 880 | |
| 138. |
Degree of a railway curve is defined as number of degrees subtended at the centre of a curve byan arc of |
| A. | 10 m |
| B. | 15 m |
| C. | 20 m |
| D. | 30.5 m |
| Answer» E. | |
| 139. |
To avoid the damage of nose of crossing, the wing rails are ramped so that nose of crossingremains at a lower level by |
| A. | 3 mm |
| B. | 4 mm |
| C. | 5 mm |
| D. | 6 mm |
| Answer» B. 4 mm | |
| 140. |
When semaphore and warner are installed on the same post, then the stop indication is givenwhen |
| A. | both arms are horizontal |
| B. | semaphore arm lowered but warner arm horizontal |
| C. | both semaphore and warner arms lowered |
| D. | none of the above |
| Answer» B. semaphore arm lowered but warner arm horizontal | |
| 141. |
The rails get out of their original positions due to insufficient expansion gap. This phenomenon isknown |
| A. | hogging |
| B. | buckling |
| C. | creeping |
| D. | none of these |
| Answer» C. creeping | |
| 142. |
Due to battering action of wheels over the end of the rails, the rails get bent down and aredeflected at ends. These rails are called |
| A. | roaring rails |
| B. | hogged rails |
| C. | corrugated rails |
| D. | buckled rails |
| Answer» C. corrugated rails | |
| 143. |
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 superelevation to be actually provided on the branch line will be__________________? |
| A. | 10 mm |
| B. | 64 mm |
| C. | 85 mm |
| D. | 65 mm |
| Answer» E. | |
| 144. |
60 R rails are mostly used in__________________? |
| A. | Broad Gauge |
| B. | Metre Gauge |
| C. | Narrow Gauge |
| D. | none of the above |
| Answer» C. Narrow Gauge | |
| 145. |
52 kg rails are mostly used in__________________? |
| A. | Broad Gauge |
| B. | Meter Gauge |
| C. | Narrow Gauge |
| D. | both (A) and (B) |
| Answer» B. Meter Gauge | |
| 146. |
The mountain alignment can be classified into _________ types. |
| A. | 4 |
| B. | 3 |
| C. | 2 |
| D. | 1 |
| Answer» D. 1 | |
| 147. |
There are __________ types of rail sections. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 148. |
The Railways has a _________ degree of freedom for its movement. |
| A. | Single |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» B. Two | |
| 149. |
The first passenger train was introduced in India in: |
| A. | 1851 |
| B. | 1853 |
| C. | 1835 |
| D. | 1815 |
| Answer» C. 1835 | |
| 150. |
Indian Railways earned a total of Rs 4,573 crores through scrap sale during 2020-21, which is how much per cent higher than 2019-20? |
| A. | 4.5 |
| B. | 5.5 |
| C. | 6.5 |
| D. | 7.5 |
| E. | 8.5 |
| Answer» C. 6.5 | |