1834. The flow of water after spilling over the weir crest in chute spillway and side channel spillway respectively are_________________?

A. at right angle and parallel to weir crest
B. parallel and at right angle to weir crest
C. parallel to weir crest in both
D. at right angle to weir crest in both
✅ The correct answer is option A.

1835. Select the correct statement________________?

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.

1837. Assertion A : To estimate the rainfall over a catchment, the number of raingauges required per unit area is large for hilly areas. Reason R : Rainfall gradient is steep. Select your correct answer according to the coding system given below ?

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is true
✅ The correct answer is option A.

1838. In soils having same values of plasticity index, if liquid limit is increased, then_____________?

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.