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Civil Engineering Objective Questions { Railways }

8.  Charles Vignoles invented the flat footed rails in

9. Bull headed rails are generally provided on
A. points and crossing
B. straight tangents
C. curved tracks
D. metre gauge tracks

10.  For holding a rail in position, no chairs are used for
A. flat footed rails
B. bull headed rails
C. double headed rails
D. both (a) and (b).

11.  Rail secfion is generally designated by its
A. total weight
B. total length
C. weight per metre length
D. area of its cross-section.

12.  Weight and cross section of the rails are decided on
A. gauge of tracks
B. speed of trains
C. spacing of sleepers
D. all the above.

13. On Broad Gauge main lines with maxi-mum traffic loads, the rail section preferred to, is
A. 29.8 to 37.3 kg/m
B. 32.5 to 42.5 kg/cm
C. 44.7 to 56.8 kg/m
D. none of these.

14. The main advantage of a long rail over short one, is
A. it requires less number of rail fastenings
B. it provides smooth running of trains
C. it involves less maintenance cost
D. all the above.

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