Railway Bridge And Tunnel Engineering Set 4

Q1 | If L1 and L2 are actual and theoretical lengths of a tongue rail, d is heel divergence and tis thickness

Q2 | If a is average number of peaks more than 10 mm of unevenness per kilometre, b is average number peaks more than 6 mm for gauge variation per kilometre and c is average number of peaks more than 2 mm twist per metre, then composite current recording index (Ic), as recommended by Indian Northern Railways, is

Q3 | Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275 × 25 ×13 cm with 75 cm sleeper spacing is

Q4 | 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

Q5 | The sleepers resting directly on girder are fastened to the top flange of girder by

Q6 | The sleepers which satisfy the requirements of an ideal sleeper, are

Q7 | The side of a rail diamond may be obtained by dividing the gauge of track by

Q8 | The standard length of rail for Broad Gauge and Meter Gauge are respectively

Q9 | Coning of wheels is provided

Q10 | On Indian Railways, angle of crossing between gauge faces of Vee, is generallycalculated by

Q11 | Which of the following factors govern the choice of the gauge?(i) Volume and nature of traffic(ii) Speed of train(iii) Physical features of the countryThe correct answer is

Q12 | Ballast packed below and around the sleepers to transfer the load from sleepers to formation, generally consists of

Q13 | On Indian Railways, the approximate weight of a rail section is determined from theformula

Q14 | The maximum degree of curvature for Meter Gauge is limited to

Q15 | The grade compensation on B.G. tracks on Indian Railways, is

Q16 | The factor for deciding the type of sleeper, is

Q17 | Number of keys used in CST-9 sleeper is

Q18 | Wheels of a rolling stock are provided flanges on

Q19 | For inspection and packing of ballast, each pot sleeper is provided with

Q20 | The compensation for curvature on gradient for Meter Gauge is given by

Q21 | To design a cross-over between parallel tracks, the required components are:

Q22 | The standard width of ballast for M.G. track in Indian Railways, is kept

Q23 | The correct relation between curve lead (CL), switch lead (SL) and lead of crossing (L) is given by

Q24 | Pot sleepers are in the form of

Q25 | Bending of rail ends due to loose packing under a joint and loose fish Bolts, is known