A. increase the lateral strength
B. increase the vertical stiffness
C. avoid the stress concentration
D. reduce the wear
Related Mcqs:
- The height of the rail for 52 kg rail section is_______________?
A. 143 mm
B. 156 mm
C. 172 mm
D. 129mm - Head width of 52 kg rail section is________________?
A. 61.9 mm
B. 66.7mm
C. 67mm
D. 72.33 mm - The width of foot for 90 R rail section is__________________?
A. 100 mm
B. 122.2 mm
C. 136.5 mm
D. 146.0 mm - Largest dimension of a rail is its________________?
A. height
B. foot width
C. head width
D. any of the above - The slipping of driving wheels of locomotives on the rail surface causes_______________?
A. wheel burns
B. hogging of rails
C. scabbing of rails
D. corrugation of rails - When the rail ends rest on a joint sleeper, the joint is termed as_________________?
A. supported rail joint
B. suspended rail joint
C. bridge joint
D. base joint - Number of dog spikes normally used per rail seat on curved track is__________________?
A. one on either side
B. two outside and one inside
C. one outside and two inside
D. two outside and two inside - The cross-sectional area of 52 kg flat footed rail is_________________?
A. 6155 mm2
B. 6615 mm2
C. 7235 mm2
D. 7825 mm2 - Largest percentage of material in the rail is in its__________________?
A. head
B. web
C. foot
D. head and foot both - The standard length of rail for Broad Gauge and Meter Gauge are respectively __________________?
A. 12 m and 12 m
B. 12 m and 13 m
C. 13 m and 12 m
D. 13 m and 13 m