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  1. Water bound macadam, and gravel pavement → 1 in 33. 
  2. Earth surface → 1 in 25
  3. Cement concrete and high type bituminous surface → 1 in 50
  4. Thin bituminous surface → 1 in 65
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Option 4 : Thin bituminous surface → 1 in 65

Explanation:

A camber or cross slope is the slope provided to the road surface in the transverse direction to drain off the rainwater from the road surface.

  • Types of camber
  1. Parabolic camber
  2. Straight camber
  3. Combination of straight and parabolic camber

Type of surface

Range of camber in areas of rainfall range from heavy to Light

Cement concrete and high-type bituminous surface

1 in 50 (2.0%)  to 1 in 60 (1.7%)

Thin bituminous surface

1 in 40 (2.5%) to 1 in 50 (2.0%)

WBM and gravel pavement

1 in 33 (3.0)% to   1 in 40 (2.5%)

Subgrades, earth roads and shoulder

1 in 25 (4%)  to1 in 33 (3.0%)
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Related Questions

In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct. 1 - Along the road walked an old man.   P - He was white-headed as a mountain, bowed in the shoulders, and faded in general aspect.   Q- He wore a glazed hat, an ancient boat-cloak, and shoes; his brass buttons bearing an anchor upon their face.   R - One would have said that he had been, in his day, a naval officer of some sort or other   S - In his hand was a silver-headed walking-stick, which he used as a veritable third leg, perseveringly dotting the ground with its point at every few inches’ interval.   6 - Before him stretched the long, laborious road, dry, empty, and white.?
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