McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 151. |
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 | |
| 152. |
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° | |
| 153. |
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 | |
| 154. |
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 | |
| 155. |
Anti-creep anchors are fixed to rails by |
| A. | Wedging |
| B. | Spring grip |
| C. | Clamping |
| D. | All the above |
| Answer» D. All the above | |
| 156. |
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» A. (M + 2) to (M + 7) | |
| 157. |
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 | |
| 158. |
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 | |
| 159. |
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 | |
| 160. |
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 | |
| 161. |
In Indian railways, the ratio of axle load and weight of rail, is |
| A. | 312 |
| B. | 412 |
| C. | 512 |
| D. | 600 |
| Answer» C. 512 | |
| 162. |
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 | |
| 163. |
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 | |
| 164. |
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 | |
| 165. |
Metal sleepers are superior to wooden sleepers with respect to |
| A. | Cost |
| B. | Life |
| C. | Track circuiting |
| D. | Fastening |
| Answer» B. Life | |
| 166. |
Charles Blacker Vignoles invented the flat footed rails in |
| A. | 1814 |
| B. | 1836 |
| C. | 1846 |
| D. | 1856 |
| Answer» B. 1836 | |
| 167. |
A triangle of railway consists of |
| A. | Three turn outs |
| B. | One turn out and two diamonds |
| C. | Two turn outs and one split |
| D. | One turn out, one split and one diamond |
| Answer» C. Two turn outs and one split | |
| 168. |
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» A. Interlocking points and signal | |
| 169. |
If L is length of a rail and R is the radius of a curve, the versine h for the curve, is |
| A. | a = L/4R |
| B. | a = L²/4R |
| C. | h = L²/8R |
| D. | h = L²/16R |
| Answer» C. h = L²/8R | |
| 170. |
For metal sleepers with rounded edges, maximum size of ballast, is |
| A. | 50 mm |
| B. | 40 mm |
| C. | 30 mm |
| D. | 25 cm |
| Answer» B. 40 mm | |
| 171. |
Head width of 52 kg rail section is |
| A. | 61.9 mm |
| B. | 66.7 mm |
| C. | 67 mm |
| D. | 72.33 mm |
| Answer» C. 67 mm | |
| 172. |
Rail joint supported on a single sleeper, is known |
| A. | Suspended rail joint |
| B. | Bridge rail joint |
| C. | Supported rail joint |
| D. | Square rail joint |
| Answer» C. Supported rail joint | |
| 173. |
Each block of a two-block concrete sleeper is |
| A. | 722 mm × 295 mm × 271 mm and 215 kg in weight |
| B. | 250 mm × 154 mm × 196 mm and 260 kg in weight |
| C. | 525 mm × 350 mm × 275 mm and 280 kg in weight |
| D. | None of these |
| Answer» A. 722 mm × 295 mm × 271 mm and 215 kg in weight | |
| 174. |
The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is |
| A. | 6.10 m |
| B. | 8.84 m |
| C. | 10.21 m |
| D. | 10.82 m |
| Answer» C. 10.21 m | |
| 175. |
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» C. Turnout | |
| 176. |
The standard dimensions of a wooden sleeper for a B.G. railway track are |
| A. | 2.74 m × 25 cm × 13 cm |
| B. | 1.83 m × 20 cm × 11 cm |
| C. | 1.52 m × 15 cm × 10 cm |
| D. | 1.75 cm × 20 cm × 12 cm |
| Answer» A. 2.74 m × 25 cm × 13 cm | |
| 177. |
The limiting value of cant excess for Broad Gauge is |
| A. | 55 mm |
| B. | 65 mm |
| C. | 75 mm |
| D. | 100 mm |
| Answer» C. 75 mm | |
| 178. |
Indian Railways detects the rail flow by |
| A. | Mitsubishi Rail flow dector |
| B. | Soni Rail flow dector |
| C. | Audi-gauge Rail flow detector |
| D. | Kraut Kramer Rail flow detector |
| Answer» D. Kraut Kramer Rail flow detector | |
| 179. |
The gradient on which an additional engine is required to negotiate the gradient, is called |
| A. | Momentum gradient |
| B. | Pusher gradient |
| C. | Ruling gradient |
| D. | Steep gradient |
| Answer» B. Pusher gradient | |
| 180. |
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. | D (4R - 2G - D)] |
| B. | D (3R - 2G -D)] |
| C. | D (3R + 2G - D)] |
| D. | D (4 + 2G - D)] |
| Answer» A. D (4R - 2G - D)] | |
| 181. |
Which of the following mechanical devices is used to ensure that route cannot be changed while the train is on the point even after putting back the signal? |
| A. | Detectors |
| B. | Point lock |
| C. | Iock bar |
| D. | Stretcher bar |
| Answer» C. Iock bar | |
| 182. |
Pot sleepers are used if degree of the curve does not exceed |
| A. | 4° |
| B. | 5° |
| C. | 6° |
| D. | 7° |
| Answer» A. 4° | |
| 183. |
Burnettising is done for the preservation of |
| A. | Wooden sleepers |
| B. | Rails |
| C. | Ballast |
| D. | None of these |
| Answer» A. Wooden sleepers | |
| 184. |
Consider the following statements:
|
| A. | 1 and 2 are correct |
| B. | 3 and 4 are correct |
| C. | 1 and 4 are correct |
| D. | 2 and 3 are correct |
| Answer» D. 2 and 3 are correct | |
| 185. |
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» B. 15 cm | |
| 186. |
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» C. By keys in lugs or jaws | |
| 187. |
Largest dimension of a rail is its |
| A. | Height |
| B. | Foot width |
| C. | Head width |
| D. | Any of the above |
| Answer» A. Height | |
| 188. |
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» D. 40 R | |
| 189. |
Advantage of automatic signalling, is: |
| A. | Increased safety |
| B. | Reduction in delays |
| C. | Increase in track capacity |
| D. | All the above |
| Answer» D. All the above | |
| 190. |
For developing thinly populated areas, the correct choice of gauge is |
| A. | Broad Gauge |
| B. | Meter Gauge |
| C. | Narrow Gauge |
| D. | Any of the above |
| Answer» C. Narrow Gauge | |
| 191. |
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» D. All the above | |
| 192. |
An extra 7.5 cm ballast width is not provided on outer side on a curve, if its degree is |
| A. | 6° |
| B. | 5° |
| C. | 4° |
| D. | 3° |
| Answer» D. 3° | |
| 193. |
Standard size of wooden sleeper for Broad Gauge track is |
| A. | 275 × 25 × 13 cm |
| B. | 180 × 20 × 11.5 cm |
| C. | 225 × 23 × 13 cm |
| D. | 250 × 26 × 12 cm |
| Answer» A. 275 × 25 × 13 cm | |
| 194. |
By interchanging gibs and cotters of a pot sleeper, gauge may be slackened by |
| A. | 1.2 mm |
| B. | 2.2 mm |
| C. | 3.2 mm |
| D. | 4.2 mm |
| Answer» C. 3.2 mm | |
| 195. |
The main function of sleepers, is |
| A. | To support rails |
| B. | To hold rails at correct gauge |
| C. | To distribute load from the rails to ballast |
| D. | All the above |
| Answer» D. All the above | |
| 196. |
The limiting value of cant gradient for all gauges is |
| A. | 1 in 360 |
| B. | 1 in 720 |
| C. | 1 in 1000 |
| D. | 1 in 1200 |
| Answer» B. 1 in 720 | |
| 197. |
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» D. All the above | |
| 198. |
Track construction involves preparation of |
| A. | Sub-grade |
| B. | Plate laying |
| C. | Ballasting |
| D. | All the above |
| Answer» D. All the above | |
| 199. |
Study the following statements regarding creep.
|
| A. | Only (i) |
| B. | (i) and (ii) |
| C. | (ii) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» B. (i) and (ii) | |
| 200. |
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» B. 1 in 8½ | |
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