civil engineering Mcqs
4151. Normally maximum cant permissible in Meter Gauge is__________________?
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A. 75 mm

B. 165 mm

C. 140 mm

D. 90 mm
4152. Composite sleeper index is the index of___________________?
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A. wear resistance and hardness

B. strength and toughness

C. hardness and strength

D. toughness and wear resistance

4153. The steepest gradient permissible on a 2.5 curve for Broad Gauge line having ruling gradient of 1 in 200 is___________________?
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A. 1 in 222

B. 1 in 235

C. 1 in 250

D. 1 in 275

4154. In a B.G. railway track, the specified ruling gradent is 1 in 250. The horizontal curve of 3 on a gradient of 1 in 250 will have the permissible gradient of__________________?
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A. 1 in 512

B. 1 in 257

C. 1 in 457

D. 1 in 357
4155. Number of switches provided on a Gaunt-letted track is_______________?
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A. 2

B. 3

C. 1

D. none of the above
4156. Yellow lighthand signal indicates____________________?
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A. proceed

B. proceed cautiously

C. none of the above

D. stop

4157. The side slope of embankments for a railway track is generally taken as______________?
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A. 1:01

B. 2:1

C. 1.5:1

D. 1:02

4158. If a is the angle of crossing, then the number of crossings N according to right angle method is given by_________________?
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A. cot(A)

B. Vi cot(cc/2)

C. Vi cosec(a/2)

D. cot(oc/2)

4159. Cant deficiency occurs when a vehicle travels around a curve at_________________?
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A. speeds lower than equilibrium speed

B. equilibrium speed

C. booked speed

D. speeds higher than equilibrium speed
4160. 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________________?
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A. 6.61

B. 13.21

C. 26.41

D. 19.81

4161. The rail is designated by its__________________?
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A. length

B. cross-section

C. weight

D. weight per unit length
4162. Loose jaws of steel trough sleepers are made of___________________?
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A. mild steel

B. cast steel

C. cast iron

D. spring steel
4163. For laying the railway track, materials required are__________________?
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A. Rails

B. FishPlates

C. Fish Bolts

D. Bearing Plates

E. quantities required for one kilometer of Broad Gauge track will be

4164. Anti creep bearing plates are provided on_________________?
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A. bridges and approaches

B. joints

C. both (A) and (B)

D. none of the above
4165. Metal sleepers are superior to wooden sleepers with respect to________________?
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A. track circuiting

B. cost

C. life

D. fastening

4166. The height of the center of arm of a semaphore signal above the ground is_________________?
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A. 5.5m

B. 7.5 m

C. 6.5 m

D. 8.5m

4167. Number of dog spikes normally used per rail seat on curved track is__________________?
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A. one on either side

B. two outside and two inside

C. one outside and two inside

D. two outside and one inside
4168. When semaphore and warner are installed on the same post, then the stop indication is given when___________________?
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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

4169. The limiting value of cant deficiency for Meter Gauge routes is__________________?
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A. 75 mm

B. 50 mm

C. 100 mm

D. 40 mm

4170. What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gauge track?
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A. 28.49 m

B. 7.45 m

C. 21.04 m

D. 14.24 m

4171. Flangeway clearance is the distance_________________?
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A. none of the above

B. between the gauge faces of the stock rail and the tongue rail

C. between the adjoining faces of the running rail and the check rail near the crossing

D. through which the tongue rail moves laterally at the toe of the switch

4172. Which one of the following rail failures is caused by loose fish bolts at expansion joints ?
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A. angular break

B. transverse fissures

C. split head

D. crushed head
4173. Head width of 52 kg rail section is________________?
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A. 67mm

B. 66.7mm

C. 61.9 mm

D. 72.33 mm

4174. Largest percentage of material in the rail is in its__________________?
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A. head

B. web

C. head and foot both

D. foot

4175. The formation width for a single line meter gauge track in embankment as adopted on Indian Railways is______________________?
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A. 4.88 m

B. 6.10 m

C. 5.49 m

D. 4.27 m

4176. The shape of transition curve used by Indian Railways is____________________?
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A. lemniscate of Bernoulli

B. sine curve

C. cubic parabola

D. spiral

4177. The treadle bar is provided_____________________?
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A. in the middle of the track a little in front of the toes of the tongue rail

B. near and parallel to inner side of one of the rails

C. at right angle to the rail

D. near and parallel to inner side of both the rails

4178. Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is________________?
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A. 20 cm

B. 30cm

C. 15 cm

D. 25 cm
4179. Heel divergence is__________________?
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A. always greater than flangeway clearance

B. equal to flangeway clearance

C. sometimes greater than flangeway clearance

D. always less than flangeway clearance

4180. The object of providing a point lock is_________________?
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A. to ensure that the point may not be operated while the train is on it

B. to detect any obstruction between and tongue rail

C. none of the above

D. to ensure that each switch is correctly set
4181. Number offish bolts per fish plate is________________?
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A. 6

B. 2

C. 4

D. 5

4182. The sleepers resting directly on girder are fastened to the top flange of girder by________________?
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A. rail screws

B. dog spikes

C. hook bolts

D. fang bolts

4183. Fish plate is in contact with rail at________________?
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A. fishing plane

B. head of rail

C. foot of rail

D. web of rail

4184. The compensation for curvature on gradient for Meter Gauge is given by________________?
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A. 70/R

B. re R is radius of curve

C. 105/R

D. 52.5/R

E. 35/R

4185. Two important constituents in the com-position of steel used for rail are_________________?
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A. carbon and silicon

B. manganese and phosphorous

C. carbon and sulfur

D. carbon and manganese
4186. The total gap on both sides between the inside edges of wheel flanges and gauge faces of the rail is kept as_________________?
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A. 10mm

B. 16mm

C. 19 mm

D. 13mm

4187. A triangle is used for__________________?
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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

4188. The height of the rail for 52 kg rail section is_______________?
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A. 143 mm

B. 129mm

C. 172 mm

D. 156 mm
4189. Tensile strength of steel used in rails should not be less than____________________?
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A. 850 MPa

B. 450 MPa

C. 700 MPa

D. 500 MPa

4190. A train is hauled by 4-8-2 locomotive. The number of driving wheels in this locomotive is_________________?
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A. 14

B. 12

C. 8

D. 4

4191. Width of ballast section for Broad Gauge is_________________?
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A. 3.35 m

B. 4.30 m

C. 2.25 m

D. 1.83 m

4192. Gauge is the distance between_______________?
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A. running faces of rails

B. outer faces of rails

C. center to center of rails

D. none of the above

4193. One degree of curve is equivalent to__________________?
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A. 1750/R

B. 1600/R

C. 1700/R

D. 1850/R

4194. On a single rail track, goods trains loaded with heavy iron material run starting from A to B and then empty wagons run from B to A. The amount of creep in the rails__________________?
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A. will be maximum at the middle of A and B

B. will be more in the direction of A to B

C. cannot be determined from the given data

D. will be more in the direction of B to A

4195. The formation width for a railway track depends on the_________________?
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A. number of tracks to be laid side by side

B. type of gauge

C. correct answer is?

D. ) slope of sides of embankment or cutting </strong>

4196. For a sleeper density of (n+5), the number of sleepers required for constructing a broad gauge railway track of length 650 m is____________________?
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A. 880

B. 975

C. 900

D. 918

4197. The limiting value of cant excess for Broad Gauge is________________?
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A. 75 mm

B. 55 mm

C. l00 mm

D. 65 mm

4198. For developing thinly populated areas, the correct choice of gauge is_________________?
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A. any of the above

B. Broad Gauge

C. Narrow Gauge

D. Meter Gauge

4199. For a 8 curve track diverging from a main curve of 5 in an opposite direction in the layout of a broad gauge yard, the cant to be provided for the branch track for maximum speed of 45 km/h on the main line and G = 1.676 m is (Permitted cant deficiency for the main line = 7.6 cm)______________________?
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A. 0.168 cm

B. 7.768 cm

C. 7.432 cm

D. -0.168 cm
4200. Number of keys used in CST-9 sleeper is_________________?
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A. 2

B. none of the above

C. 3

D. 4