McqMate
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 |
151. |
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» C. 132 km/hour |
152. |
Widening of gauge is provided if degree of the curve, is |
A. | 3° or less |
B. | 3° to 4½° |
C. | More than 4½° |
D. | None of these |
Answer» C. More than 4½° |
153. |
The height of the rail for 52 kg rail section is |
A. | 143 mm |
B. | 156 mm |
C. | 172 mm |
D. | 129 mm |
Answer» B. 156 mm |
154. |
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» D. All the above |
155. |
Anti-creep anchors are fixed to rails by |
A. | Wedging |
B. | Spring grip |
C. | Clamping |
D. | All the above |
Answer» D. All the above |
156. |
Sleeper density in India is normally kept as |
A. | (M + 2) to (M + 7) |
B. | M to (M + 2) |
C. | (M + 5) to (M + 10) |
D. | MM |
Answer» A. (M + 2) to (M + 7) |
157. |
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» B. Suitability of wooden sleepers |
158. |
If G is gauge distance and a is crossing, the distance between the nose of acute crossing and nose of obtuse crossing of a rail diamond, measured along the rail not forming the diamond, is |
A. | G |
B. | G |
C. | G |
D. | G |
Answer» A. G |
159. |
Loose jaws of steel trough sleepers are made of |
A. | Cast steel |
B. | Mild steel |
C. | Cast iron |
D. | Spring steel |
Answer» D. Spring steel |
160. |
Regional Indian railways use different types of sleepers according to their |
A. | Availability |
B. | Economy |
C. | Suitability |
D. | All the above |
Answer» D. All the above |
161. |
In Indian railways, the ratio of axle load and weight of rail, is |
A. | 312 |
B. | 412 |
C. | 512 |
D. | 600 |
Answer» C. 512 |
162. |
Maximum value of 'throw of switch' for Broad Gauge track is |
A. | 89 mm |
B. | 95 mm |
C. | 100 mm |
D. | 115 mm |
Answer» D. 115 mm |
163. |
Top surface of steel sleepers, is |
A. | Kept level throughout |
B. | Provided a cant of 1 in 20 inward |
C. | Provided a cant of 1 in 20 outward |
D. | None of these |
Answer» B. Provided a cant of 1 in 20 inward |
164. |
If D distance between the noses of crossing measured parallel to the main track, is |
A. | D |
B. | D |
C. | D |
D. | D |
Answer» B. D |
165. |
Metal sleepers are superior to wooden sleepers with respect to |
A. | Cost |
B. | Life |
C. | Track circuiting |
D. | Fastening |
Answer» B. Life |
166. |
Charles Blacker Vignoles invented the flat footed rails in |
A. | 1814 |
B. | 1836 |
C. | 1846 |
D. | 1856 |
Answer» B. 1836 |
167. |
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» C. Two turn outs and one split |
168. |
A treadle bar is used for |
A. | Interlocking points and signal |
B. | Setting points and crossings |
C. | Setting marshalling yard signals |
D. | Track maintenance |
Answer» A. Interlocking points and signal |
169. |
If L is length of a rail and R is the radius of a curve, the versine h for the curve, is |
A. | a = L/4R |
B. | a = L²/4R |
C. | h = L²/8R |
D. | h = L²/16R |
Answer» C. h = L²/8R |
170. |
For metal sleepers with rounded edges, maximum size of ballast, is |
A. | 50 mm |
B. | 40 mm |
C. | 30 mm |
D. | 25 cm |
Answer» B. 40 mm |
171. |
Head width of 52 kg rail section is |
A. | 61.9 mm |
B. | 66.7 mm |
C. | 67 mm |
D. | 72.33 mm |
Answer» C. 67 mm |
172. |
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» C. Supported rail joint |
173. |
Each block of a two-block concrete sleeper is |
A. | 722 mm × 295 mm × 271 mm and 215 kg in weight |
B. | 250 mm × 154 mm × 196 mm and 260 kg in weight |
C. | 525 mm × 350 mm × 275 mm and 280 kg in weight |
D. | None of these |
Answer» A. 722 mm × 295 mm × 271 mm and 215 kg in weight |
174. |
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. | 10.21 m |
D. | 10.82 m |
Answer» C. 10.21 m |
175. |
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» C. Turnout |
176. |
The standard dimensions of a wooden sleeper for a B.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 cm × 20 cm × 12 cm |
Answer» A. 2.74 m × 25 cm × 13 cm |
177. |
The limiting value of cant excess for Broad Gauge is |
A. | 55 mm |
B. | 65 mm |
C. | 75 mm |
D. | 100 mm |
Answer» C. 75 mm |
178. |
Indian Railways detects the rail flow by |
A. | Mitsubishi Rail flow dector |
B. | Soni Rail flow dector |
C. | Audi-gauge Rail flow detector |
D. | Kraut Kramer Rail flow detector |
Answer» D. Kraut Kramer Rail flow detector |
179. |
The gradient on which an additional engine is required to negotiate the gradient, is called |
A. | Momentum gradient |
B. | Pusher gradient |
C. | Ruling gradient |
D. | Steep gradient |
Answer» B. Pusher gradient |
180. |
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» A. D (4R - 2G - D)] |
181. |
Which of the following mechanical devices is used to ensure that route cannot be changed while the train is on the point even after putting back the signal? |
A. | Detectors |
B. | Point lock |
C. | Iock bar |
D. | Stretcher bar |
Answer» C. Iock bar |
182. |
Pot sleepers are used if degree of the curve does not exceed |
A. | 4° |
B. | 5° |
C. | 6° |
D. | 7° |
Answer» A. 4° |
183. |
Burnettising is done for the preservation of |
A. | Wooden sleepers |
B. | Rails |
C. | Ballast |
D. | None of these |
Answer» A. Wooden sleepers |
184. |
Consider the following statements:
|
A. | 1 and 2 are correct |
B. | 3 and 4 are correct |
C. | 1 and 4 are correct |
D. | 2 and 3 are correct |
Answer» D. 2 and 3 are correct |
185. |
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» B. 15 cm |
186. |
Rails are fixed on steel sleepers |
A. | By bearing plates |
B. | By dog spikes |
C. | By keys in lugs or jaws |
D. | None of these |
Answer» C. By keys in lugs or jaws |
187. |
Largest dimension of a rail is its |
A. | Height |
B. | Foot width |
C. | Head width |
D. | Any of the above |
Answer» A. Height |
188. |
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» D. 40 R |
189. |
Advantage of automatic signalling, is: |
A. | Increased safety |
B. | Reduction in delays |
C. | Increase in track capacity |
D. | All the above |
Answer» D. All the above |
190. |
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» C. Narrow Gauge |
191. |
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» D. All the above |
192. |
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° |
Answer» D. 3° |
193. |
Standard size of wooden sleeper for Broad Gauge track is |
A. | 275 × 25 × 13 cm |
B. | 180 × 20 × 11.5 cm |
C. | 225 × 23 × 13 cm |
D. | 250 × 26 × 12 cm |
Answer» A. 275 × 25 × 13 cm |
194. |
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 |
Answer» C. 3.2 mm |
195. |
The main function of sleepers, is |
A. | To support rails |
B. | To hold rails at correct gauge |
C. | To distribute load from the rails to ballast |
D. | All the above |
Answer» D. All the above |
196. |
The limiting value of cant gradient for all gauges is |
A. | 1 in 360 |
B. | 1 in 720 |
C. | 1 in 1000 |
D. | 1 in 1200 |
Answer» B. 1 in 720 |
197. |
The spike commonly used to fix rails to wooden sleepers in Indian railways, is |
A. | Dog spike |
B. | Screw spike |
C. | Round spike |
D. | All the above |
Answer» D. All the above |
198. |
Track construction involves preparation of |
A. | Sub-grade |
B. | Plate laying |
C. | Ballasting |
D. | All the above |
Answer» D. All the above |
199. |
Study the following statements regarding creep.
|
A. | Only (i) |
B. | (i) and (ii) |
C. | (ii) and (iii) |
D. | (i), (ii) and (iii) |
Answer» B. (i) and (ii) |
200. |
According to Indian Railway Board, no diamond crossing should be flatter than |
A. | 1 in 6 |
B. | 1 in 8½ |
C. | 1 in 12 |
D. | 1 in 16 |
Answer» B. 1 in 8½ |
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