1922. The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in___________________?

A. aqueduct and syphon aqueduct
B. aqueduct and super passage
C. super passage and canal syphon
D. level crossing
✅ The correct answer is option C.

1924. The main cause of meandering is________________?

A. presence of an excessive bed slope in the river
B. degradation
C. the extra turbulence generated by the excess of river sediment during floods
D. none of the above
✅ The correct answer is option C.

1925. The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be________________?

A. 50 mm
B. 60 mm
C. 90 mm
D. 140 mm
✅ The correct answer is option C.

1927. The depth of water required to bring the soil moisture content of a given soil upto its field capacity is called_________________?

A. hygroscopic water
B. equivalent moisture
C. soil moisture deficiency
D. pellicular water
✅ The correct answer is option C.

1928. The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be__________________?

A. 50 cm
B. 55 cm
C. 56 cm
D. 60 cm
✅ The correct answer is option C.

1929. For supplying water to rabi crop, kharif crop and sugarcane, the channel is designed for a capacity equal to the greater of the water requirement of_______________?

A. rabi or kharif
B. rabi and kharif or sugarcane
C. rabi and sugarcane or kharif and sugarcane
D. rabi or kharif or sugarcane
✅ The correct answer is option C.