# SSC JE Civil Engineering Preliminary Exam in January 2018 | Practice test Day – 35

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1. For clear distinct vision, images of obstructions should fall on the retina with a cone of
2. The inventor of road making as a building science, was
3. Road makers along roads from the edge of a kerb should not be less than
4. If metres is the distance between extreme axles of a vehicle, its gross load should not exceed
5. If the elevations along a road increase, the slope of the road along the longitudinal direction, is known as
6. The shape of a vertical curve, is
7. The basic formula for determination of pavement thickness was first suggested by
8. If N is the algebraic difference of grades, S is the minimum sight distance in metres, the length (L)  of a summit curve is
9. If x% is the gradient of an alignment and y% is the gradient after proper super-elevation along a  curved portion of a highway, the differential grade along the curve, is
10. The convexity provided to the carriageway between the crown and edge of the pavement, is known as
11. California Bearing Ratio method of designing flexible pavements is more accurate as it involves
12. If At is the area of steel cross-section, t is working stress, L is width of road and W is weight of slab  per square metre, the spacing of the tie bars for a longitudinal joint, is
13. Non-passing sight distance along a road is the longest distance at which the driver of a moving  vehicle, may see an obstacle on the pavement
14. If V is the design speed of vehicles in km/hour, the change of radial acceleration in metres/sec3, is
15. Along horizontal curves, if centrifugal force exceeds lateral friction, vehicles may
16. The absolute minimum radius of horizontal curve for a design speed 60 kmph is
17. The top height of a route marker above crown level is
18. At a road junction, 16 cross conflict points are severe, if
19. The pavement width of a road depends upon
20. The desirable camber for straight roads with water bound macadam or gravel surface, is

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