MCQOPTIONS
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MCQOPTIONS
This section includes 5814 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 2901. |
A scissors cross over consists of one diamond and |
| A. | one turn out |
| B. | two turn outs |
| C. | three turn outs |
| D. | four turn outs |
| E. | no turn out. |
| Answer» E. no turn out. | |
| 2902. |
Minimum length of a transition curve required for |
| A. | 2 curves for a maximum permissible speed of 135 km/hr, is 220 metres |
| B. | 4 curves for a maximum permissible speed of 95 km/hr, is 220 metres |
| C. | 6 curves for a maximum permissible speed of 80 km/hr, is 220 metres |
| D. | All the above. |
| Answer» E. | |
| 2903. |
Heel divergency, the distance between the running faces of stock rail and gauge face of tongue rail, as recommended for Indian B.G. tracks, is |
| A. | 100 mm |
| B. | 119 mm |
| C. | 125 mm |
| D. | 155 mm |
| E. | 135 mm |
| Answer» F. | |
| 2904. |
Main disadvantage of steel sleepers, is : |
| A. | it gets rusted quickly |
| B. | its lugs some times get broken |
| C. | its lugs some times get split |
| D. | all the aboye. |
| Answer» E. | |
| 2905. |
Weight and cross section of the rails are decided on |
| A. | gauge of tracks |
| B. | speed of trains |
| C. | spacing of sleepers |
| D. | type of rails |
| E. | all the above. |
| Answer» F. | |
| 2906. |
The factor for deciding the type of sleeper, is |
| A. | easy fixing and removal of rails |
| B. | provision of sufficient bearing area for rails |
| C. | initial and maintenance costs |
| D. | strength to act as a beam under loads |
| E. | all the above. |
| Answer» F. | |
| 2907. |
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» D. none of these. | |
| 2908. |
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. | <span class="root">D (4R - 2G - D)</span> |
| B. | <span class="root">D (3R - 2G -D)</span> |
| C. | <span class="root">D (3R + 2G - D) </span> |
| D. | <span class="root">D (4 + 2G - D)</span> |
| Answer» B. <span class="root">D (3R - 2G -D)</span> | |
| 2909. |
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 |
| E. | 2 |
| Answer» E. 2 | |
| 2910. |
Staggered rail joints are generally provided |
| A. | on curves |
| B. | on tangents |
| C. | on bridges |
| D. | in tunnels. |
| Answer» B. on tangents | |
| 2911. |
Anti-creep anchors are fixed to rails by |
| A. | wedging |
| B. | spring grip |
| C. | clamping |
| D. | all the above. |
| Answer» E. | |
| 2912. |
On Indian Railways, the approximate weight of a rail section is determined from the formula |
| A. | <img src="/_files/images/civil-engineering/railways/52-17-40-1.png"> |
| B. | <img src="/_files/images/civil-engineering/railways/52-17-40-2.png"> |
| C. | <img src="/_files/images/civil-engineering/railways/52-17-40-3.png"> |
| D. | <img src="/_files/images/civil-engineering/railways/52-17-40-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/railways/52-17-40-4.png"> | |
| 2913. |
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» D. one turn out, one split and one diamond. | |
| 2914. |
Rail section is generally designated by its |
| A. | total weight |
| B. | total length |
| C. | weight per metre length |
| D. | area of its cross-section. |
| Answer» D. area of its cross-section. | |
| 2915. |
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 | |
| 2916. |
Total effective bearing area of both the bowls of a pot sleeper, is |
| A. | slightly more than that of a wooden sleeper |
| B. | slightly less than that of a wooden sleeper |
| C. | equal to that of a wooden sleeper |
| D. | none of these. |
| Answer» D. none of these. | |
| 2917. |
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» D. its three fourth length is ahead of the nose of crossing. | |
| 2918. |
Bull headed rails are generally provided on |
| A. | points and crossing |
| B. | straight tangents |
| C. | curved tracks |
| D. | metre gauge tracks |
| E. | none of these. |
| Answer» B. straight tangents | |
| 2919. |
In India, metre gauge permanent way was adopted in |
| A. | 1855 |
| B. | 1860 |
| C. | 1866 |
| D. | 1871 |
| E. | 1875 |
| Answer» E. 1875 | |
| 2920. |
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» E. | |
| 2921. |
For an effective administration, Indian railway system has been divided into |
| A. | four railway zones |
| B. | six railway zones |
| C. | seven railway zones |
| D. | eight railway zones |
| E. | nine railway zones. |
| Answer» F. | |
| 2922. |
A turn-in-curve is defined as |
| A. | a curve introduced between two straights |
| B. | a reverse curve |
| C. | a reverse curve introduced in continuity of a turn out |
| D. | a spiral transition curve. |
| Answer» D. a spiral transition curve. | |
| 2923. |
To avoid the damage of nose of crossing, the wing rails are ramped so that nose of crossing remains at a lower level by |
| A. | 3 mm |
| B. | 4 mm |
| C. | 5 mm |
| D. | 6 mm. |
| Answer» B. 4 mm | |
| 2924. |
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. | it provides conform to passengers |
| E. | all the above. |
| Answer» F. | |
| 2925. |
The distance between theoretical nose of crossing and actual nose of crossing for practical purposes, is |
| A. | Nose thickness x tan |
| B. | Nose thickness x cot |
| C. | Nose thickness x sin |
| D. | Nose thickness x cos |
| Answer» C. Nose thickness x sin | |
| 2926. |
Continuity of electric current across welded rail joints, is maintained by |
| A. | welding ends of a wire to each rail |
| B. | placing an insulated plate underneath the rails |
| C. | placing insulation in expansion gaps |
| D. | none of these. |
| Answer» E. | |
| 2927. |
Steel sleepers are |
| A. | rectangular is cross section throughout |
| B. | hollow circular pipes |
| C. | 6 mm thick steel sheets with ends bent down |
| D. | 6 mm thick steel sheets with ends bent up. |
| Answer» D. 6 mm thick steel sheets with ends bent up. | |
| 2928. |
If w is width of sleepers, s is sleeper spacing and d is depth of ballast then |
| A. | <img src="/_files/images/civil-engineering/railways/56-17-96-1.png"> |
| B. | <img src="/_files/images/civil-engineering/railways/56-17-96-2.png"> |
| C. | <img src="/_files/images/civil-engineering/railways/56-17-96-3.png"> |
| D. | <img src="/_files/images/civil-engineering/railways/56-17-96-4.png"> |
| E. | <img src="/_files/images/civil-engineering/railways/56-17-96-4.png"> |
| Answer» B. <img src="/_files/images/civil-engineering/railways/56-17-96-2.png"> | |
| 2929. |
On either side of the centre line of rails, a cant of 1 in 20 in the sleeper is provided for a distance of |
| A. | 150 mm |
| B. | 165 mm |
| C. | 175 mm |
| D. | 185 mm |
| Answer» D. 185 mm | |
| 2930. |
For metal sleepers with rounded edges, maximum size of ballast, is |
| A. | 50 mm |
| B. | 40 mm |
| C. | 30 mm |
| D. | 25 cm |
| E. | 20 mm |
| Answer» C. 30 mm | |
| 2931. |
Track construction involves preparation of |
| A. | subgrade |
| B. | plate laying |
| C. | ballasting |
| D. | all the above. |
| Answer» E. | |
| 2932. |
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» E. | |
| 2933. |
Type of switch rails generally adopted for modern track, is |
| A. | straight switch |
| B. | curved switch |
| C. | loose heel switch |
| D. | bent switch. |
| Answer» C. loose heel switch | |
| 2934. |
If sleeper density is M + 7 for 13 m rails, the minimum depth of ballast under wooden sleepers (25 cm x 13 cm), is |
| A. | 15 cm |
| B. | 20 cm |
| C. | 25 cm |
| D. | 30 cm |
| E. | 36 cm |
| Answer» C. 25 cm | |
| 2935. |
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 |
| E. | 5.0 mm |
| Answer» D. 4.2 mm | |
| 2936. |
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» C. permissible stresses in steel sleepers | |
| 2937. |
Indian Railways detects the rail flow by |
| A. | Mitsubish Rail flow dector |
| B. | Soni Rail flow dector |
| C. | Audi-gauge Rail flow detector |
| D. | Kraut Kramer Rail flow detector. |
| Answer» E. | |
| 2938. |
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. | |
| 2939. |
A wing rail is renewed or reconditioned if its maximum vertical wear is |
| A. | 9.5 m |
| B. | 7.5 m |
| C. | 5.5 m |
| D. | 5.0 m |
| Answer» B. 7.5 m | |
| 2940. |
Workability of concrete for a given water content is good if the aggregates, are |
| A. | rounded aggregate |
| B. | irregular aggregate |
| C. | angular aggregate |
| D. | flaky aggregates. |
| Answer» B. irregular aggregate | |
| 2941. |
The produce impermeable concrete |
| A. | thorough mixing of concrete is required |
| B. | proper compaction of concrete is required |
| C. | proper curing of concrete is required |
| D. | properly graded and non-porous aggregates are requied |
| E. | all the above. |
| Answer» F. | |
| 2942. |
Water required per bag of cement, is |
| A. | 7 kg |
| B. | 14 kg |
| C. | 21 kg |
| D. | 28 kg |
| E. | 35 kg |
| Answer» F. | |
| 2943. |
ISI has specified full strength of concrete after |
| A. | 7 days |
| B. | 14 days |
| C. | 21 days |
| D. | 28 days |
| E. | none of these. |
| Answer» F. | |
| 2944. |
For construction of structures in sea water, the cement generally preferred to, is |
| A. | Portland-pozzolana cement |
| B. | quick setting cement |
| C. | low heat Portland cement |
| D. | rapid hardening cement |
| E. | none of these. |
| Answer» B. quick setting cement | |
| 2945. |
The side of a rail diamond may be obtained by dividing the gauge of track by |
| A. | sine of acute crossing |
| B. | consine of acute crossing |
| C. | tangent of acute crossing |
| D. | cotangent of acute crossing. |
| Answer» B. consine of acute crossing | |
| 2946. |
Rail tops of a track are placed |
| A. | horizontal |
| B. | at an inward slope of 1 in 20 |
| C. | at an outward slope of 1 in 20 |
| D. | at an outward slope of 1 in 30 |
| E. | at an inward slope of 1 in 30 |
| Answer» C. at an outward slope of 1 in 20 | |
| 2947. |
The gradient on which an additonal engine is required to negotiate the gradient, is called |
| A. | momentum gradient |
| B. | pusher gradient |
| C. | ruling gradient |
| D. | steep gradient. |
| Answer» C. ruling gradient | |
| 2948. |
For even distribution of load through ballast, load dispersal is assumed as |
| A. | 30 to the vertical |
| B. | 45 to the vertical |
| C. | 60 to the vertical |
| D. | none of these. |
| Answer» C. 60 to the vertical | |
| 2949. |
The main advantage of a cement concrete sleeper, is : |
| A. | its heavy weight which improves the track modulus |
| B. | its capacity to maintain gauge |
| C. | its suitability for track circuiting |
| D. | its flat bottom which is very suitable for modern track |
| E. | all the above. |
| Answer» F. | |
| 2950. |
Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolana cement, is |
| A. | 30% |
| B. | 40% |
| C. | 50% |
| D. | 60% |
| E. | 70% |
| Answer» B. 40% | |