McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 101. |
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» B. Proceed | |
| 102. |
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 + N2)] |
| B. | DN + G [2N + N2)] |
| C. | DN + G [3N + N2)] |
| D. | DN + G [4N + N2)] |
| Answer» C. DN + G [3N + N2)] | |
| 103. |
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 |
| Answer» B. At an inward slope of 1 in 20 | |
| 104. |
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» B. 22.5 tonnes | |
| 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» C. Over riding | |
| 106. |
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» D. Nine railway zones | |
| 107. |
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. | A rad |
| Answer» B. cot A | |
| 108. |
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» D. 135 mm | |
| 109. |
Pick up the incorrect statement from the following: |
| A. | Ends of adjoining rails should be in true alignment |
| B. | Rail joints should be as strong as the rail section itself |
| C. | Rail joints should be elastic laterally as well as vertically |
| D. | All the above |
| Answer» D. All the above | |
| 110. |
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» C. 700 MPa | |
| 111. |
On Indian Railways standard length of rails for B.G. track, is |
| A. | 33 ft (10.06 m) |
| B. | 36 ft (10.97 m) |
| C. | 39 ft (11.89 m) |
| D. | 42 ft (12.8 m) |
| Answer» D. 42 ft (12.8 m) | |
| 112. |
Wing rails are provided |
| A. | Near tongue rails |
| B. | Near check rails |
| C. | Near stock rails |
| D. | In crossing |
| Answer» D. In crossing | |
| 113. |
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» C. 2 : 1 | |
| 114. |
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» B. (S + 10H)/20 | |
| 115. |
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» A. (D - G - G ) | |
| 116. |
To achieve best performance, the type of switch preferred to, is |
| A. | Undercut switch |
| B. | Straight-cut switch |
| C. | Overriding switch |
| D. | Both (a) and (b) |
| Answer» C. Overriding switch | |
| 117. |
On B.G. tracks the distance of outer signal from station limit is kept |
| A. | 510 m |
| B. | 520 m |
| C. | 530 m |
| D. | 540 m |
| Answer» D. 540 m | |
| 118. |
The limiting value of cant deficiency for Meter Gauge routes is |
| A. | 40 mm |
| B. | 50 mm |
| C. | 75 mm |
| D. | 100 mm |
| Answer» B. 50 mm | |
| 119. |
The weight of the rails depends upon |
| A. | Gauge of the tracks |
| B. | Speed of trains |
| C. | Spacing of sleepers |
| D. | All the above |
| Answer» D. All the above | |
| 120. |
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. | All the above |
| Answer» D. All the above | |
| 121. |
In a scissors crossover, the crossings provided are
|
| A. | (i) and (iii) |
| B. | (i) and (iv) |
| C. | (ii) and (iii) |
| D. | (ii) and (iv) |
| Answer» B. (i) and (iv) | |
| 122. |
Rail section first designed on Indian railways, was |
| A. | Double headed |
| B. | Bull headed |
| C. | Flat footed |
| D. | (a) and (b) simultaneously |
| Answer» A. Double headed | |
| 123. |
The lengths of the standard crossings in India for Broad gauge and Metre gauge tracks is same for |
| A. | 1 in 8½ B.G. and, in 12 M.G. |
| B. | 1 in 12 B.G. and, 1 in 16 M.G. |
| C. | 1 in 12 B.G. and 1 in 8½ M.G. |
| D. | 1 in 16 B.G. and 1 in 12 M.G. |
| Answer» A. 1 in 8½ B.G. and, in 12 M.G. | |
| 124. |
For the purpose of track maintenance, the number of turn out equivalent to one track km is |
| A. | 1 |
| B. | 2 |
| C. | 5 |
| D. | 10 |
| Answer» D. 10 | |
| 125. |
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» C. 851 mm × 254 mm | |
| 126. |
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» C. Its two-third length is ahead of the nose of crossing | |
| 127. |
Consider the following surveys.
|
| A. | 1, 3, 2, 4 |
| B. | 1, 3, 4, 2 |
| C. | 3, 1, 4, 2 |
| D. | 3, 1, 2, 4 |
| Answer» D. 3, 1, 2, 4 | |
| 128. |
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» D. 8° | |
| 129. |
Largest percentage of material in the rail is in its |
| A. | Head |
| B. | Web |
| C. | Foot |
| D. | Head and foot both |
| Answer» A. Head | |
| 130. |
The spread between the point and splice rails at a distance of 4.25 m is 50 cm. The size of the crossing is |
| A. | 1 in 6 |
| B. | 1 in 8½ |
| C. | 1 in 12 |
| D. | 1 in 16 |
| Answer» B. 1 in 8½ | |
| 131. |
Packing of ballast is done |
| A. | Near the ends of sleepers |
| B. | On the shoulders |
| C. | Under sleepers |
| D. | Between two rails |
| Answer» C. Under sleepers | |
| 132. |
The total gap on both sides between the inside edges of wheel flanges and gauge faces of the rail is kept as |
| A. | 10 mm |
| B. | 13 mm |
| C. | 16 mm |
| D. | 19 mm |
| Answer» D. 19 mm | |
| 133. |
The rail section which is not used on Indian Broad Gauge tracks, is |
| A. | 35 R |
| B. | 40 R |
| C. | 45 R |
| D. | 55 R |
| Answer» B. 40 R | |
| 134. |
In a diamond crossing, numbers of noses are |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 6 |
| Answer» D. 6 | |
| 135. |
Number of cotters used in CST-9 sleepers is |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 136. |
In Indian railways, plate laying is usually done by |
| A. | Side method |
| B. | Telescopic method |
| C. | American method |
| D. | All the above |
| Answer» B. Telescopic method | |
| 137. |
Pick up the correct statement from the following: |
| A. | The line which connects a number of parallel tracks, and also provides an access to main track, is called a gathering line |
| B. | With a diagonal gathering line, the length of the siding decreases with increase of its distance from main track |
| C. | To have sidings of same length, a diagonal line is laid at one end and a parallel gathering line at the other end |
| D. | All the above |
| Answer» D. All the above | |
| 138. |
A Broad Gauge branch line takes off as a contrary flexure from a main line. If the superelevation required for branch line is 10 mm and cant deficiency is 75 mm, the super-elevation to be actually provided on the branch line will be |
| A. | 10 mm |
| B. | 64 mm |
| C. | 85 mm |
| D. | 65 mm |
| Answer» D. 65 mm | |
| 139. |
The angle between the gauge faces of the stock rail and tongue rail, is called |
| A. | Switch angle |
| B. | Angle of crossing |
| C. | Angle of turnout |
| D. | None of these |
| Answer» A. Switch angle | |
| 140. |
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» D. All the above | |
| 141. |
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» C. Traverser | |
| 142. |
If absolute levels of rails at the consecutive axles A, B, and C separated by 1.8 metres are 100.505 m, 100.530 m, and 100.525 m respectively, the unevenness of rails, is |
| A. | 0.065 m |
| B. | 0.055 m |
| C. | 0.045 m |
| D. | 0.035 m |
| Answer» A. 0.065 m | |
| 143. |
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» C. At the middle of rails, is kept closer | |
| 144. |
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» B. -0.168 cm | |
| 145. |
Distance between the inner rail and check rail provided on sharp curve, is |
| A. | 40 mm |
| B. | 42 mm |
| C. | 44 mm |
| D. | 46 mm |
| Answer» C. 44 mm | |
| 146. |
30 m long rails are used in |
| A. | India |
| B. | U.K. |
| C. | Russia |
| D. | U.S.A. |
| Answer» D. U.S.A. | |
| 147. |
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» C. 13.21 | |
| 148. |
Overall depth of a dog spike, is |
| A. | 120.6 mm |
| B. | 155.90 mm |
| C. | 135 mm |
| D. | 150 mm |
| Answer» A. 120.6 mm | |
| 149. |
To prevent creep in rails, the steel sleepers are fixed with rails by clips, bolts and |
| A. | One key |
| B. | Two keys |
| C. | Three keys |
| D. | Four keys |
| Answer» D. Four keys | |
| 150. |
52 kg rails are mostly used in |
| A. | Broad Gauge |
| B. | Metre Gauge |
| C. | Narrow Gauge |
| D. | Both (A) and (B) |
| Answer» A. Broad Gauge | |
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