RAILWAY ENGINEERING Questions

a) 450 MPa b) 500 MPa c) 700 MPa d) 850 MPa Ans: c

a) 1:1 b) 1.5:1 c) 2:1 d) 1:2 Ans: c

a) one on either side b) two outside and one inside c) one outside and two inside d) two outside

a) 61.9 mm b) 66.7mm c) 67mm d) 72.33 mm Ans: c

a) 6.10 m b) 8.84 m c) 10.21 m d) 10.82 m Ans: c

a) flat mild steel bearing plate b) mild steel canted bearing plate c) cast iron anticreep bearing plate d) none

a) Broad Gauge b) Metre Gauge c) Narrow Gauge d) none of the above Ans: b

a) 10 mm b) 13 mm c) 16 mm d) 19 mm Ans: d

a) for points and crossings in the lead portion b) with wooden sleepers at locations where creep is likely to

a) mild steel b) cast iron c) wrought iron d) high carbon steel Ans: d

a) longitudinal movement of rail b) lateral movement of rail c) vertical movement of rail d) difference in level of

a) 25 mm b) 40 mm c) 50 mm d) 10 mm Ans: a

a) to join the two rails together b) to join rails with the sleeper c) to allow rail to expand

a) bridges and approaches b) joints c) both (a) and (b) d) none of the above Ans: d

a) 51 b) 62 c) 70 d) 78 Ans: c