Railway Engineering

A. 143 mm
B. 156 mm
C. 172 mm
D. 129mm

A. wheel burns
B. hogging of rails
C. scabbing of rails
D. corrugation of rails

A. Broad Gauge
B. Meter Gauge
C. Narrow Gauge
D. any of the above

A. center to center of rails
B. running faces of rails
C. outer faces of rails
D. none of the above

A. height
B. foot width
C. head width
D. any of the above

A. 2
B. 4
C. 5
D. 6

A. mild steel
B. cast iron
C. wrought iron
D. high carbon steel

A. 61.9 mm
B. 66.7mm
C. 67mm
D. 72.33 mm

A. Broad Gauge
B. Meter Gauge
C. Narrow Gauge
D. both (A) and (B)

A. increase the lateral strength
B. increase the vertical stiffness
C. avoid the stress concentration
D. reduce the wear