Question

8- Repeat softening point test when duplicate determination of two rings exceed......... 9- The liquid which is used in softening point test above 80 c ......... 10- The test indicate the tendency of asphalt consistency is ...... 11 - The rate of heat in softening point test. 12- In ductility test the rate of speed for pulling is ......

8- Repeat softening point test when duplicate determination of two rings exceed......... 9- The liquid which is used in softening point test above 80 c ......... 10- The test indicate the tendency of asphalt consistency is ...... 11 - The rate of heat in softening point test. 12- In ductility test the rate of speed for pulling is ......

road engineering lab

Answer 1

8 Ans)

If the difference between the values obtained in the duplicate determinations exceeds 1 degree centigrade repeat the test

9 Ans)

The liquid which is used in softening point above 80 degree centigrade use USP glycerine instead of water.and use ASTM thermometer 16 degree centigrade

10 Ans)

The test indicates the tendency of asphalt consistency is Penetration test. High penetration indicates soft asphalt and vice versa

11 Ans)

The rate of heat in softening point test is 5 plus or minus 0.5 degree centigrade per minute

12 Ans)

In ductility test the rate of speed for pulling is 50 plus or minus 2.5 mm per minute