Highway Engineering MCQs Archives

121. The value of ruling gradient in plains as per IRC recommendation is______________?

A. 1 in 12

B. 1 m 15

C. 1 in 20

D. 1 in 30

✅ The correct answer is option D.

A. Quantity of binder required for tack coat is less than that required for prime coat

B. Prime coat treatment is given for plugging the voids in water bound macadam during bituminous road construction

C. Seal coat is the final coat over certain previous bituminous pavements

D. A bitumen primer is a high viscosity cutback

✅ The correct answer is option D.

A. 15th percentile

B. 50 “”percentile

C. 85th percentile

D. 98 “”percentile

✅ The correct answer is option D.

A. compressibility and permeability decrease and dry strength increases

B. compressibility, permeability and dry strength decrease

C. compressibility, permeability and dry strength increase

D. compressibility and permeability increase and dry strength decreases

✅ The correct answer is option D.

A. rectangular or block road pattern

B. radial or star and block road pattern

C. radial or star and circular road pattern

D. radial or star and grid road pattern

✅ The correct answer is option D.

A. bituminous carpet

B. mastic asphalt

C. sheet asphalt

D. bituminous bound macadam

✅ The correct answer is option D.

A. longitudinal gradient

B. two times the longitudinal gradient

C. three times the longitudinal gradient

D. half the longitudinal gradient

✅ The correct answer is option D.