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Question

The penetration value of residue from distillation upto 360°C of rapid curing cutbacks bitumen is -

The correct answer is

80 to 120

However, a common and important range specified for the residue, especially for RC-3 grade, corresponds to a penetration value of 80 to 120. The range 80 to 120 aligns with the typical specifications for the penetration value of the residue from distillation up to 360°C for certain grades of rapid curing cutback bitumen.

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Important Questions from Highway Materials and Maintenance

  1. The damaged material on the surface of road which is removed by rubbing or chipping action is called:

  2. The bitumen that is obtained as a residue during the distillation of a high-resin petroleum is called:

  3. The Indian Road Congress (IRC) recommends what value of camber for gravel or water bound macadam road surface subject to heavy rains?

  4. The toughness property of coarse aggregates can be assessed by conducting which laboratory experiment?

  5. In the Aggregate impact value test, as per IS: 2386 (part IV), the test sample should pass and retain through which of the following sieve size?

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