The group index for a soil, whose liquid limit is 40 percent, plasticity index is 10 percent and percentage passing 75 micron IS sieve is 35, is______________?
A. 0
B. 3
C. 5
D. 7
A. 0
B. 3
C. 5
D. 7
A. less-than 40°C
B. greater than 40°C
C. equal to 40°C
D. none of the above
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
Bitumen of grade 80/100 means______________? Read More »
Highway Engineering, MCQs / Q&A A. 30/40
B. 60/70
C. 80/100
D. 100/120
Which of the following represents hardest grade of bitumen ? Read More »
Highway Engineering, MCQs / Q&A A. 30 cm
B. 40 cm
C. 50 cm
D. 60 cm
A. 10%
B. 20 %
C. 30%
D. 45 %
A. 2.5 mm penetration only
B. 5.0 mm penetration only
C. 7.5 mm penetration only
D. both 2.5mm and 5.0 mm penetrations
In CBR test the value of CBR is calculated at_______________? Read More »
Highway Engineering, MCQs / Q&A A. more than that in tar
B. less than that in tar
C. equal to that in tar
D. none of the above
Percentage of free carbon in bitumen is______________? Read More »
Highway Engineering, MCQs / Q&A A. exceptionally strong
B. strong
C. satisfactory for road surfacing
D. unsuitable for road surfacing
If aggregate impact value is 20 to 30 percent, then it is classified as_______________? Read More »
Highway Engineering, MCQs / Q&A A. crushing strength test
B. abrasion test
C. impact test
D. shape test
Which of the following tests measures the toughness of road aggregates ? Read More »
Highway Engineering, MCQs / Q&A