MCQOPTIONS
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MCQOPTIONS
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.
| 351. |
Consider the following statements:Automatic signalling system results in1. greater risk2. higher efficiency3. avoidance of block instruments4. higher operating costOf these statements |
| A. | I and 2 are correct |
| B. | 3 and 4 are correct |
| C. | 1 and 4 are correct |
| D. | 2 and 3 are correct |
| Answer» E. | |
| 352. |
Consider the following statements about concrete sleepers.1. They improve the track modulus.2. They have good scrap value.3. They render transportation easy.4. They maintain the gauge quite satisfactorily.Of these statements |
| A. | 1 and 2 are correct |
| B. | 2 and 3 are correct |
| C. | 3 and 4 are correct |
| D. | 1 and 4 are correct |
| Answer» E. | |
| 353. |
Yellow lighthand signal indicates |
| A. | stop |
| B. | proceed |
| C. | proceed cautiously |
| D. | none of the above |
| Answer» D. none of the above | |
| 354. |
Which of the following methods of designation of crossing is mostly used in India ? |
| A. | center line method |
| B. | right angle method |
| C. | isosceles angle method |
| D. | none of the above |
| Answer» C. isosceles angle method | |
| 355. |
The maximum degree of curvature for Meter Gauge is limited to |
| A. | 10° |
| B. | 16° |
| C. | 30° |
| D. | 40° |
| Answer» C. 30° | |
| 356. |
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 |
| A. | 1 in 257 |
| B. | 1 in 357 |
| C. | 1 in 457 |
| D. | 1 in 512 |
| Answer» C. 1 in 457 | |
| 357. |
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. | |
| 358. |
To ensure exact gauge, the gauge tie plates are provided at |
| A. | toe of the switch |
| B. | nose of crossing |
| C. | both (A) and (B) |
| D. | none of the above |
| Answer» D. none of the above | |
| 359. |
Due to battering action of wheels over the end of the rails, the rails get bent down and are deflected at ends. These rails are called |
| A. | Roaring rails |
| B. | Hogged rails |
| C. | Corrugated rails |
| D. | Buckled rails |
| Answer» C. Corrugated rails | |
| 360. |
For the purpose of track maintenance, the number of turn out equivalent to one track km are |
| A. | 1 |
| B. | 2 |
| C. | 5 |
| D. | 10 |
| Answer» E. | |
| 361. |
Largest dimension of a rail is its |
| A. | height |
| B. | foot width |
| C. | head width |
| D. | any of the above |
| Answer» B. foot width | |
| 362. |
Tensile strength of steel used in rails should not be less than |
| A. | 450 MPa |
| B. | 500 MPa |
| C. | 700 MPa |
| D. | 850 MPa |
| Answer» D. 850 MPa | |
| 363. |
Normally the limiting value of cant is (where G is the gauge.) |
| A. | G/8 |
| B. | G/10 |
| C. | G/12 |
| D. | G/15 |
| Answer» C. G/12 | |
| 364. |
The compensation for curvature on gradient for Meter Gauge is given by (where R is radius of curve.) |
| A. | 70/R |
| B. | 52.5/R |
| C. | 35/R |
| D. | 105/R |
| Answer» C. 35/R | |
| 365. |
The limiting value of cant deficiency for Meter Gauge routes is |
| A. | 40 mm |
| B. | 50 mm |
| C. | 75 mm |
| D. | 100 mm |
| Answer» C. 75 mm | |
| 366. |
The following tests are conducted for rails:i) falling weight testii) tensile testiii) hammer testThe compulsory tests are |
| A. | only (i) |
| B. | (i)and(ii) |
| C. | (ii) and (iii) |
| D. | (i) and (iii) |
| Answer» C. (ii) and (iii) | |
| 367. |
Number offish bolts per fish plate is |
| A. | 2 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» C. 5 | |
| 368. |
The limiting value of cant excess for Broad Gauge is |
| A. | 55 mm |
| B. | 65 mm |
| C. | 75 mm |
| D. | l00 mm |
| Answer» D. l00 mm | |
| 369. |
The desirable rate of change of cant deficiency in case of Metre Gauge is |
| A. | 20 mm/sec |
| B. | 35 mm/sec |
| C. | 55 mm/sec |
| D. | 65 mm/sec |
| Answer» C. 55 mm/sec | |
| 370. |
The steepest gradient permissible on a 2.5° curve for Broad Gauge line having ruling gradient of 1 in 200 is |
| A. | 1 in 250 |
| B. | 1 in 222 |
| C. | 1 in 235 |
| D. | 1 in 275 |
| Answer» B. 1 in 222 | |
| 371. |
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» D. 6.61 | |
| 372. |
If ‘A’ is the angle formed by two gauge faces, the crossing number will be |
| A. | tan A |
| B. | cot A |
| C. | sec A |
| D. | Arad |
| Answer» C. sec A | |
| 373. |
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. | 10.21m |
| D. | 10.82 m |
| Answer» D. 10.82 m | |
| 374. |
The formation width for a single line meter gauge track in embankment as adopted on Indian Railways is |
| A. | 4.27 m |
| B. | 4.88 m |
| C. | 5.49 m |
| D. | 6.10 m |
| Answer» C. 5.49 m | |
| 375. |
Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is |
| A. | 15 cm |
| B. | 20 cm |
| C. | 25 cm |
| D. | 30cm |
| Answer» D. 30cm | |
| 376. |
Consider the following surveys.1. Reconnaissance survey2. Preliminary survey3. Traffic survey4. Location surveyThe correct sequence in which these surveys are conducted before the alignment of a track is finalised is |
| A. | 1,3,2,4 |
| B. | 1,3,4,2 |
| C. | 3,1,4,2 |
| D. | 3,1,2,4 |
| Answer» E. | |
| 377. |
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» D. scotch block | |
| 378. |
When semaphore and warner are installed on the same post, then the stop indication is given when |
| 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 | |
| 379. |
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 | |
| 380. |
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) |
| A. | 0.168 cm |
| B. | -0.168 cm |
| C. | 7.432 cm |
| D. | 7.768 cm |
| Answer» C. 7.432 cm | |
| 381. |
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» D. any of the above | |
| 382. |
Largest percentage of material in the rail is in its |
| A. | head |
| B. | web |
| C. | foot |
| D. | head and foot both |
| Answer» B. web | |
| 383. |
Head width of 52 kg rail section is |
| A. | 61.9 mm |
| B. | 66.7 mm |
| C. | 67 mm |
| D. | 72.33 mm |
| Answer» D. 72.33 mm | |
| 384. |
The correct relation between curve lead (CL), switch lead (SL) and lead of cros¬sing (L) is given by |
| A. | CL = L – SL |
| B. | L =CL-SL |
| C. | SL = L + CL |
| D. | L = (CL+SL)/2 |
| Answer» C. SL = L + CL | |
| 385. |
A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming the coefficient 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 | |
| 386. |
For a sleeper density of (n+5), the number of sleepers required for constructing a broad gauge railway track of length 650 m is |
| A. | 975 |
| B. | 918 |
| C. | 900 |
| D. | 880 |
| Answer» D. 880 | |
| 387. |
Which one of the following rail failures is caused by loose fish bolts at expansion joints? |
| A. | crushed head |
| B. | angular break |
| C. | split head |
| D. | transverse fissures |
| Answer» B. angular break | |
| 388. |
If a is the angle of crossing, then the number of crossings ‘N’ according to right angle method is given by |
| A. | Vi cot(cc/2) |
| B. | cot(oc/2) |
| C. | cot(a) |
| D. | Vi cosec(a/2) |
| Answer» D. Vi cosec(a/2) | |
| 389. |
Which of the following types of sleepers is preferred on joints ? |
| A. | CST-9 sleeper |
| B. | steel trough sleeper |
| C. | wooden sleeper |
| D. | concrete sleeper |
| Answer» D. concrete sleeper | |
| 390. |
For a Broad Gauge route with M+7 sleeper density, number of sleepers per rail length is |
| A. | 18 |
| B. | 19 |
| C. | 20 |
| D. | 21 |
| Answer» D. 21 | |
| 391. |
The standard length of rail for Broad Gauge and Meter Gauge are respectively |
| A. | 12 m and 12 m |
| B. | 12 m and 13 m |
| C. | 13 m and 12 m |
| D. | 13 m and 13 m |
| Answer» D. 13 m and 13 m | |
| 392. |
In a shunting signal if the red band is inclined at 45° it indicates |
| A. | stop |
| B. | proceed |
| C. | proceed cautiously |
| D. | none of the above |
| Answer» C. proceed cautiously | |
| 393. |
On a single line track, 10 goods trains loaded with iron ore run from A to B and empty wagons return 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 | |
| 394. |
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 | |
| 395. |
For a Broad Gauge route with (M + 7) sleeper density, number of sleepers per rail length is |
| A. | 18 |
| B. | 19 |
| C. | 20 |
| D. | 21 |
| Answer» D. 21 | |
| 396. |
Main disadvantage of steel sleepers, is: |
| A. | It gets rusted quickly |
| B. | Its lugs sometimes get broken |
| C. | Its lugs sometimes get split |
| D. | All the above |
| Answer» E. | |
| 397. |
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 | |
| 398. |
The formation width for a railway track depends on the (i) Type of gauge (ii) Number of tracks to be laid side by side (iii) Slope of sides of embankment or cutting The correct answer is |
| A. | Only (i) |
| B. | Both (i) and (ii) |
| C. | Both (i) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» C. Both (i) and (iii) | |
| 399. |
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 | |
| 400. |
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) | |