When two equally important roads cross roughly at right angles, the suitable shape of central island is________________?

Related Mcqs:

1. When a number of roads are meeting at a point and only one of the roads is important, then the suitable shape of rotary is________________?

   A. circular
   B. tangent
   C. elliptical
   D. turbine

2. The most economical lighting layout which is suitable for narrow roads is_______________?

   A. single side lighting
   B. staggered system
   C. central lighting system
   D. none of the above

3. For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is________________?

   A. dry rolling, wet rolling, application of screening and application of filler
   B. dry rolling, application of filler, wet rolling and application of screening
   C. dry rolling, application of screening, wet rolling and application of filler
   D. dry rolling, application of screening, application of filler and wet rolling

4. The camber of shoulders in water bound macadam roads is________________?

   A. equal to the cross slope of pavement
   B. less than the cross slope of pavement
   C. greater than the cross slope of pavement
   D. zero

5. As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is______________?

   A. 10 lux
   B. 15 lux
   C. 20 lux
   D. 30 lux

6. In case of hill roads, the extra widening is generally provided______________?

   A. equally on inner and outer sides of the curve
   B. fully on the inner side of the curve
   C. fully on the outer side of the curve
   D. one-fourth on inner side and three-fourth on outer side of the curve

7. The critical combination of stresses for corner region in cement concrete roads is____________?

   A. load stress + warping stress frictional stress
   B. load stress + warping stress + frictional stress
   C. load stress + warping stress
   D. load stress + frictional stress

8. In hill roads the side drains arc provided________________?

   A. only on the hill side of road
   B. only on the opposite side of hill
   C. on both sides of road
   D. none of the above

9. The minimum design speed for hairpin bends in hill roads is taken as_______________?

   A. 20 kmph
   B. 30 kmph
   C. 40 kmph
   D. 50 kmph

10. The camber for hill roads in case of bituminous surfacing is adopted as________________?

    A. 2%
    B. 2.5%
    C. 3%
    D. 4%