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MCQOPTIONS
This section includes 166 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. |
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. | |
| 102. |
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 | |
| 103. |
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. | |
| 104. |
The weight of the rails depends upon |
| A. | gauge of the tracks |
| B. | speed of trains |
| C. | spacing of sleepers |
| D. | nature of traffic |
| Answer» E. | |
| 105. |
The type of switch generally used for B.G. and M.G. tracks, is |
| A. | articulated |
| B. | undercut |
| C. | over riding |
| D. | straight cut. |
| Answer» D. straight cut. | |
| 106. |
On Indian Railways, number of a crossing is defined as |
| A. | sine of angle of crossing |
| B. | consine of angle of crossing |
| C. | tangent of angle of crossing |
| D. | contangent of angle of crossing. |
| Answer» E. | |
| 107. |
The place where a railway line and a road cross each other at the same level, is known as |
| A. | cross over |
| B. | railway junction |
| C. | road junction |
| D. | level crossing |
| Answer» E. | |
| 108. |
Coal ash (or cinder) is used in initial stages of a new construction of railway for |
| A. | wooden sleepers |
| B. | steel sleepers |
| C. | cast iron sleepers |
| D. | none of these. |
| Answer» B. steel sleepers | |
| 109. |
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 | |
| 110. |
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 |
| Answer» E. | |
| 111. |
The standard dimensions of a wooden sleeper for M.G. railway track are |
| A. | 2.74 m x 25 cm x 13 cm |
| B. | 1.83 m x 20 cm x 11 cm |
| C. | 1.52 m x 15 cm x 10 cm |
| D. | 1.75 m x 20 cm x 12 cm |
| Answer» C. 1.52 m x 15 cm x 10 cm | |
| 112. |
For holding a rail in position, no chairs are used for |
| A. | flat footed rails |
| B. | bull headed rails |
| C. | double headed rails |
| D. | both (a) and (b) |
| Answer» B. bull headed rails | |
| 113. |
Dimensions of a plate girder, are : |
| A. | 851 mm x 851 mm |
| B. | 255 mm x 254 mm |
| C. | 851 mm x 254 mm |
| D. | 551 mm x 254 mm |
| Answer» D. 551 mm x 254 mm | |
| 114. |
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» B. D (3R - 2G -D) | |
| 115. |
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» E. | |
| 116. |
The spread between the point and splice rails at a distance of 4.25 rn is 50 cm. The size of the crossing is |
| A. | 1 in 6 |
| B. | 1 in |
| C. | 1 in 12 |
| D. | 1 in 16 |
| Answer» C. 1 in 12 | |
| 117. |
At a rail joint, the ends of adjoining rails, are connected with a pair of fish plates and |
| A. | 2 fish bolts |
| B. | 4 fish bolts |
| C. | 6 fish bolts |
| D. | 8 fish bolts |
| Answer» C. 6 fish bolts | |
| 118. |
If α is switch angle and R is radius of the turnout, the length of the tongue rail, is |
| A. | R sin α |
| B. | R tan α |
| C. | R sin α/2 |
| D. | R tan α/2 |
| Answer» E. | |
| 119. |
The quantity of stone ballast required per metre tangent length, is |
| A. | 1.15 m3 |
| B. | 1.14 m3 |
| C. | 1.13 m3 |
| D. | 1.12 m3 |
| Answer» E. | |
| 120. |
To prevent percolation of water into formation, moorum is used as a blanket for |
| A. | black cotton soil |
| B. | sandy soil |
| C. | clayey soil |
| D. | all the above. |
| Answer» B. sandy soil | |
| 121. |
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» D. railway junction | |
| 122. |
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 | |
| 123. |
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» D. square rail joint. | |
| 124. |
The grade compensation on B.G. tracks on Indian Railways, is |
| A. | 0.0002 |
| B. | 0.0003 |
| C. | 0.0004 |
| D. | 0.0005 |
| Answer» D. 0.0005 | |
| 125. |
Minimum depth of ballast prescribed of B.G. trunk lines of Indian Railways, is |
| A. | 20 cm |
| B. | 15 cm |
| C. | 25 cm |
| D. | 30 cm |
| Answer» D. 30 cm | |
| 126. |
Rails are bent to correct curvature if the degree of curve, is more than |
| A. | 1° |
| B. | 2° |
| C. | 3° |
| D. | 4° |
| Answer» E. | |
| 127. |
Anti-creep anchors are fixed to rails by |
| A. | wedging |
| B. | spring grip |
| C. | clamping |
| D. | all the above. |
| Answer» E. | |
| 128. |
For inspection and packing of ballast, each pot sleeper is provided with |
| A. | one hole |
| B. | two holes |
| C. | three holes |
| D. | four holes. |
| Answer» C. three holes | |
| 129. |
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 | |
| 130. |
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» E. | |
| 131. |
Minimum gradient in station yards is generally limited to |
| A. | 1 in 1000 |
| B. | 1 in 750 |
| C. | 1 in 500 |
| D. | 1 in 400 |
| Answer» E. | |
| 132. |
On Broad Gauge main lines with maximum traffic loads, the rail section preferred to, is |
| A. | 29.8 to 37.3 kg/m |
| B. | 32.5 to 42.5 kg/cm |
| C. | 44.7 to 56.8 kg/m |
| D. | none of these |
| Answer» D. none of these | |
| 133. |
Minimum packing space provided between two sleepers, is between |
| A. | 20 to 25 cm |
| B. | 25 to 30 cm |
| C. | 30 to 35 cm |
| D. | 35 to 40 cm |
| Answer» D. 35 to 40 cm | |
| 134. |
Wheels of a rolling stock are provided flanges on |
| A. | outer side |
| B. | inner side |
| C. | both sides |
| D. | neither side. |
| Answer» C. both sides | |
| 135. |
30 m long rails are used in |
| A. | India |
| B. | Pakistan |
| C. | Russia |
| D. | U.S.A. |
| Answer» E. | |
| 136. |
Rail section first designed on Indian railways, was |
| A. | double headed |
| B. | bull headed |
| C. | flat footed |
| D. | (a) and (b) simultaneously |
| Answer» B. bull headed | |
| 137. |
If D is distance between centres of two parallel track of gauge G, then, total length of cross-over (from the point of commencement to the point of termination) with an intermediate straight portion and N crossing, is given by |
| A. | DN + G (N + 1 + N2) |
| B. | DN + G (2N + 1 + N2) |
| C. | DN + G (3N + 1 + N2) |
| D. | DN + G (4N + l +N2) |
| Answer» D. DN + G (4N + l +N2) | |
| 138. |
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» C. 20 cm | |
| 139. |
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 |
| Answer» E. | |
| 140. |
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 |
| Answer» E. | |
| 141. |
Overall depth of a dog spike, is |
| A. | 120.6 mm |
| B. | 155.90 mm |
| C. | 135 mm |
| D. | 150 mm |
| Answer» B. 155.90 mm | |
| 142. |
Minimum composite sleeper index for wooden sleepers used in cross-overs, is |
| A. | 1152 |
| B. | 1252 |
| C. | 1352 |
| D. | 1452 |
| Answer» D. 1452 | |
| 143. |
Track construction involves preparation of |
| A. | subgrade |
| B. | plate laying |
| C. | ballasting |
| D. | all the above. |
| Answer» E. | |
| 144. |
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» E. | |
| 145. |
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. | |
| 146. |
If D is the distance between parallel tracks G is the gauge and α is angle of crossings, the distance between theoretical noses of two crossings measured parallel to tracks, is |
| A. | (D - G - G sec α) cot α |
| B. | (D - G + G sec α) cot α |
| C. | (D - G - G sec α) tan α |
| D. | (D + G + G sec α) cot α |
| Answer» B. (D - G + G sec Œ±) cot Œ± | |
| 147. |
In railways a triangle is mainly provided for |
| A. | diverting trains from the main line to branch line |
| B. | crossing over between parallel tracks |
| C. | changing direction of engines through 180° |
| D. | shunting wagons in yards. |
| Answer» D. shunting wagons in yards. | |
| 148. |
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» D. 142 km/hour | |
| 149. |
The overall length of a turn out is the distance between the end of stock rail and |
| A. | heel of crossing |
| B. | actual nose of crossing |
| C. | throat of crossing |
| D. | toe of crossing. |
| Answer» B. actual nose of crossing | |
| 150. |
On a straight railway track, absolute levels at point A on two rails are 100.550 m and 100.530 m and the absolute levels at point B 100 m apart are 100.585 m and 100.515 m respectively, the value of twist of rails per metre run, is |
| A. | 0.4 mm |
| B. | 0.5 mm |
| C. | 0.7 mm |
| D. | 0.8 mm |
| Answer» C. 0.7 mm | |