MCQOPTIONS
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MCQOPTIONS
This section includes 177 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. |
Dimensions of a plate girder are: |
| A. | 851 mm × 851 mm |
| B. | 255 mm × 254 mm |
| C. | 851 mm × 254 mm |
| D. | 551 mm × 254 mm |
| Answer» D. 551 mm × 254 mm | |
| 102. |
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 | |
| 103. |
Minimum composite sleeper index prescribed on Indian Railways for a track sleeper is |
| A. | 552 |
| B. | 783 |
| C. | 1352 |
| D. | 1455 |
| Answer» C. 1352 | |
| 104. |
If D is the distance between parallel tracks G between theoretical noses of two crossings measured parallel to tracks, is |
| A. | (d - g - g ) |
| B. | (d - g + g ) |
| C. | (d - g - g ) |
| D. | (d + g + g ) |
| Answer» B. (d - g + g ) | |
| 105. |
The side slope of embankments for a railway track is generally taken as |
| A. | 1 : 1 |
| B. | 1.5 : 1 |
| C. | 2 : 1 |
| D. | 1 : 2 |
| Answer» D. 1 : 2 | |
| 106. |
If S and H are strength and hardness index of a timber at 12% moisture content, the composite sleeper index, is |
| A. | (h + 10s)/20 |
| B. | (s + 10h)/20 |
| C. | (20s + h)/10 |
| D. | (s + 20h)/10 |
| Answer» C. (20s + h)/10 | |
| 107. |
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. | 135 mm |
| Answer» E. | |
| 108. |
For an effective administration, Indian railway system has been divided into |
| A. | four railway zones |
| B. | six railway zones |
| C. | seven railway zones |
| D. | nine railway zones |
| Answer» E. | |
| 109. |
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 | |
| 110. |
Bending of rail ends due to loose packing under a joint and loose fish Bolts, is known |
| A. | buckling |
| B. | hogging |
| C. | creeping |
| D. | none of these |
| Answer» C. creeping | |
| 111. |
Pot sleepers are in the form of |
| A. | a number of bowls connected together with a tie bar |
| B. | two bowls placed under each rail and connected together with a tie bar |
| C. | two bowls placed under two rails and the one between the rails |
| D. | none of these |
| Answer» C. two bowls placed under two rails and the one between the rails | |
| 112. |
On Indian Railways, the approximate weight of a rail section is determined from the formula |
| A. | weight of the rail/axial load of locomotive = 1/10 |
| B. | weight of the rail/axial load of locomotive = 1/410 |
| C. | weight of the rail/axial load of locomotive = 1/510 |
| D. | weight of the rail/axial load of locomotive = 1/610 |
| Answer» D. weight of the rail/axial load of locomotive = 1/610 | |
| 113. |
The correct relation between curve lead (CL), switch lead (SL) and lead of crossing (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 | |
| 114. |
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 | |
| 115. |
Number of keys used in CST-9 sleeper is |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | none of the above |
| Answer» B. 3 | |
| 116. |
Minimum gradient in station yards is generally limited to |
| A. | 1 in 1000 |
| B. | 1 in 750 |
| C. | 1 in 500 |
| D. | zero |
| Answer» E. | |
| 117. |
On Indian Railways, angle of crossing between gauge faces of Vee, is generally calculated by |
| A. | cole\s method |
| B. | centre line method |
| C. | isosceles triangle method |
| D. | both (a) and (b) |
| Answer» B. centre line method | |
| 118. |
The side of a rail diamond may be obtained by dividing the gauge of track by |
| A. | sine of acute crossing |
| B. | cosine of acute crossing |
| C. | tangent of acute crossing |
| D. | cotangent of acute crossing |
| Answer» B. cosine of acute crossing | |
| 119. |
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. | |
| 120. |
The sleepers which satisfy the requirements of an ideal sleeper, are |
| A. | cast iron sleepers |
| B. | r.c.c. sleepers |
| C. | steel sleepers |
| D. | wooden sleepers |
| Answer» E. | |
| 121. |
The sleepers resting directly on girder are fastened to the top flange of girder by |
| A. | hook bolts |
| B. | dog spikes |
| C. | fang bolts |
| D. | rail screws |
| Answer» B. dog spikes | |
| 122. |
Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275 × 25 × 13 cm with 75 cm sleeper spacing is |
| A. | 15 cm |
| B. | 20 cm |
| C. | 25 cm |
| D. | 30 cm |
| Answer» D. 30 cm | |
| 123. |
Fish plate is in contact with rail at |
| A. | web of rail |
| B. | fishing plane |
| C. | head of rail |
| D. | foot of rail |
| Answer» C. head of rail | |
| 124. |
In a B.G. railway track, the specified ruling gradient 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 | |
| 125. |
A CST-9 sleeper consists of |
| A. | two inverted triangular pots on either side of rail seat |
| B. | a central plate with a projected key and box on the top of plate |
| C. | a tie bar and 4 cotters to connect two cast iron plates |
| D. | all the above |
| Answer» E. | |
| 126. |
The arrangement of rails which permit trains to cross another track and also to divert to the other track, is called |
| A. | diamond crossing |
| B. | diamond crossing with single slip |
| C. | diamond crossing with double slip |
| D. | cross over |
| Answer» D. cross over | |
| 127. |
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. | |
| 128. |
Stock rails are |
| A. | parts of crossing |
| B. | fitted against check rails |
| C. | fitted against tongue rails |
| D. | laid between heel of switch and nose of crossing |
| Answer» D. laid between heel of switch and nose of crossing | |
| 129. |
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. | all the above |
| Answer» E. | |
| 130. |
Heel of crossing is the line joining |
| A. | ends of splice rail and point rail |
| B. | ends of lead rails butting the crossing |
| C. | ends of wing rails |
| D. | throat and actual nose of crossing |
| Answer» B. ends of lead rails butting the crossing | |
| 131. |
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 | |
| 132. |
Switch angle is the angle between |
| A. | the gauge face of the stock rail and tongue rail |
| B. | the outer face of the stock rail and tongue rail |
| C. | the gauge face of the stock rail and outer face of the tongue rail |
| D. | the outer face of the stock rail and the gauge face of the tongue rail |
| Answer» B. the outer face of the stock rail and tongue rail | |
| 133. |
If the standard length of a B.G. crossing is 597 cm, the number of crossing, is |
| A. | 1 in 8½ |
| B. | 1 in 12 |
| C. | 1 in 16 |
| D. | none of these |
| Answer» C. 1 in 16 | |
| 134. |
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 | |
| 135. |
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 | |
| 136. |
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. | |
| 137. |
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) | |
| 138. |
Ordinary rails are made of |
| A. | mild steel |
| B. | cast iron |
| C. | wrought iron |
| D. | high carbon steel |
| Answer» E. | |
| 139. |
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 | |
| 140. |
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 | |
| 141. |
The rail is designated by its |
| A. | length |
| B. | weight |
| C. | cross-section |
| D. | weight per unit length |
| Answer» E. | |
| 142. |
The distance between theoretical nose of crossing and actual nose of crossing for practical purposes, is |
| A. | nose thickness × |
| B. | nose thickness × |
| C. | nose thickness × |
| D. | nose thickness × |
| Answer» C. nose thickness × | |
| 143. |
Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge for Indian railways |
| A. | 1.435 m as adopted in england |
| B. | 1.800 m as per indian conditions |
| C. | 1.676 m as a compromise gauge |
| D. | 1.000 m as a standard gauge |
| Answer» D. 1.000 m as a standard gauge | |
| 144. |
Best ballast contains stones varying in size from |
| A. | 1.5 cm to 3 cm |
| B. | 2.0 cm to 4 cm |
| C. | 2.0 cm to 5 cm |
| D. | 2.5 cm to 6 cm |
| Answer» D. 2.5 cm to 6 cm | |
| 145. |
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 | |
| 146. |
Degree of a railway curve is defined as number of degrees subtended at the centre of a curve by an arc of |
| A. | 10 m |
| B. | 15 m |
| C. | 20 m |
| D. | 30.5 m |
| Answer» E. | |
| 147. |
Wear of rails is maximum in weight of |
| A. | tangent track |
| B. | sharp curve |
| C. | tunnels |
| D. | coastal area |
| Answer» C. tunnels | |
| 148. |
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 | |
| 149. |
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 | |
| 150. |
The standard dimensions of a wooden sleeper for M.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 m × 20 cm × 12 cm |
| Answer» C. 1.52 m × 15 cm × 10 cm | |