Softening point of bitumen to be used for read construction at a place where maximum temperature is 40° C should be______________?

Related Mcqs:

1. The ductility value of bitumen for suitability in road construction should not be less than____________?

   A. 30 cm B. 40 cm C. 50 cm D. 60 cm...

2. In the penetration macadam construction, the bitumen is__________________?

   A. sprayed after the aggregates are spread and compacted B. premixed with aggregates and then spread C. sprayed before the aggregates are spread and compacted D. none of the above...

3. Percentage of free carbon in bitumen is______________?

   A. more than that in tar B. less than that in tar C. equal to that in tar D. none of the above...

4. Which of the following represents hardest grade of bitumen ?

   A. 30/40 B. 60/70 C. 80/100 D. 100/120...

5. Bitumen of grade 80/100 means______________?

   A. its penetration value is 8 mm B. its penetration value is 10 mm C. its penetration value is 8 to 10 mm D. its penetration value is 8 to 10 cm...

6. Penetration test on bitumen is used for determining its_____________?

   A. grade B. viscosity C. ductility D. temperature susceptibility...

7. Which of the following represents a carpet of sand-bitumen mix without coarse aggregates ?

   A. mastic asphalt B. sheet asphalt C. bituminous carpet D. bituminous concrete...

8. The maximum limit of water absorption for aggregate suitable for road construction is____________?

   A. 0.4 % B. 0.6% C. 0.8 % D. 1.0 %...

9. Which of the following is considered to be the highest quality construction in the group of black top pavements ?

   A. mastic asphalt B. sheet asphalt C. bituminous carpet D. bituminous concrete...

10. In highway construction on super elevated curves, the rolling shall proceed from_________________?

    A. sides towards the centre B. centre towards the sides C. lower edge towards the upper edge D. upper edge towards the lower edge...