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1) 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
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2) A train is hauled by 4-8-2 locomotive. The number of driving wheels in this locomotive is_________________? a. 4 b. 8 c. 12 d. 14
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3) On a single rail track, goods trains loaded with heavy iron material run starting from A to B and then empty wagons run from B to A. The amount of creep in the rails__________________? a. will be more in the direction of B to A b. will be more in the direction of A to B c. will be maximum at the middle of A and B d. cannot be determined from the given data
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4) For laying the railway track, materials required are__________________? a. Rails b. FishPlates c. Fish Bolts d. Bearing Plates
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5) Metal sleepers are superior to wooden sleepers with respect to________________? a. cost b. life c. track circuiting d. fastening
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6) 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
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7) Wear of rails is maximum in weight of___________________? a. tangent track b. sharp curve c. tunnels d. coastal area
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8) A treadle bar is used for_____________________? a. interlocking points and signal b. setting points and crossings c. setting marshalling yard signals d. track maintenance
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9) What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gauge track? a. 28.49 m b. 21.04 m c. 14.24 m d. 7.45 m
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10) 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
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11) 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
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12) 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
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13) Consider the following statements about concrete sleepers_________________?
1. They improve the track modulus. 2. They have good scrap value. 3. They render transportation easy. 4. They maintain the gauge quite satisfactorily.Of these statements a. 1 and 2 are correct b. 2 and 3 are correct c. 3 and 4 are correct d. 1 and 4 are correct
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14) Which one of the following rail failures is caused by loose fish bolts at expansion joints ? a. crushed head b. angular break c. split head d. transverse fissures
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15) Which of the following statements regarding ballast materials are correct ? a. Brick ballast has poor drainage characteristics b. Coal ash is not used as ballast with steel or cast iron sleepers c. Gravel ballast gives better performance on soft formation d. Sand ballast causes excessive wear on top of rail
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16) For the purpose of track maintenance, the number of turn out equivalent to one track km are__________________? a. 1 b. 2 c. 5 d. 10
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17) When semaphore and warner are installed on the same post, then the stop indication is given when___________________? a. both arms are horizontal b. semaphore arm lowered but warner arm horizontal c. both semaphore and warner arms lowered d. none of the above
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18) A triangle is used for__________________? a. changing the direction of engine b. transferring wagons to and from parallel tracks without shunting c. separating all the sidings and shunting lines from main lines d. preventing the vehicles from running off the track
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19) The object of providing a point lock is_________________? a. to ensure that each switch is correctly set b. to ensure that the point may not be operated while the train is on it c. to detect any obstruction between and tongue rail d. none of the above
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20) 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
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