1831. A repelling groyne is aligned________________?
A. pointing upstream
B. pointing downstream
C. perpendicular to bank
D. parallel to bank
✅ The correct answer is option A.
Civil Engineering
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1832. The number of repetitions, which the pavement thickness designed for a given wheel load should be able to support during the life of pavement is______________?
A. 1000
B. 10000
C. 100000
D. 1000000
✅ The correct answer is option D.
1833. 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.
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.
1836. For highway geometric design purposes the speed used is________________?
A. 15th percentile
B. 50 “”percentile
C. 85th percentile
D. 98 “”percentile
✅ 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.
1839. Nagpur road plan formula were prepared by assuming______________?
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.
1840. The kor depth for rice is 190 mm and kor period is 14 days. The outlet factor for this will be_________________?
A. 637 hectares/m3/sec
B. 837 hectares/m3/sec
C. 972 hectares/m3/sec
D. 1172 hectares/m3/sec
✅ The correct answer is option A.