Stress in SI units is expressed in kg per sq cm kg per sq mm Newton per sq mm Ne

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Newton per sq m

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1. Pick up the incorrect statement from the following:
Options
A. Fish plates fit the underside of the rail head
B. Fish plates fit the top of the rail foot
C. Fish plates fit the web of the rail section
D. Cross sectional area of fish plates, is normally the same as that of the rail section.

2. Keeping the depth d constant, the width of a cantilever of length l of uniform strength loaded with a uniformly distributed load w varies from zero at the free end and
Options
A. at the fixed end
B. at the fixed end
C. at the fixed end
D. at the fixed end

3. The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in the given figure. If there is a uniform up-gradient of the road 120 in 1, the chainage of the point with no filling or cutting is
Options
A. (6 + 15) chains
B. (6 + 12) chains
C. (6 + 18) chains
D. None of these.

6. The load stress of a section can be reduced by
Options
A. decreasing the lever arm
B. increasing the total perimeter of bars
C. replacing larger bars by greater number of small bars
D. replacing smaller bars by greater number of greater bars
E. none of these.

8. According to the recommendations of International Navigational Congress in 1912, the ratio of length to width at the entrance for passenger vessels is :
Options
A. 7.25 to 1
B. 7.80 to 1
C. 8.11 to 1
D. 8.44 to 1

9. A CST-9 sleeper consists of
Options
A. two inverted triangular pots on either side of rail seat
B. a central plate with a projected key and box on the top of plate
C. a tie bar and 4 cotters to connect two cast iron plates
D. a single two way key provided on the gauge side to hold the rail to sleeper
E. all the above.

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