Irrigation, Water Resources Engineering and Hydrology

1. Levees are constructed parallel to river flow
2. Spurs are constructed parallel to river flow
3. Levees are constructed transverse to river flow
4. Spurs are constructed transverse to river flow
The correct answer is

A. (1) and (2)
B. (1) and (4)
C. (2) and (3)
D. (3) and (4)

A. A meander increases the river length but a cut off reduces the river length
B. A cutoff increases the river length but a meander reduces the river length
C. Both meander and cutoff increase the river length
D. Both meander and cutoff decrease the river length

A. Intensive irrigation should be avoided in areas susceptible to water logging
B. Extensive irrigation should be adopted in areas susceptible to water logging
C. Lift irrigation increases water logging
D. all of the above

1) unit duration
2) unit rainfall excess
3) infinitely small duration
4) infinitely small rainfall excess
The correct answer is?

A. (1) and (2)
B. (1)and(4)
C. (2) and (3)
D. (3) and (4)

1) slope of water surface at the section
2) stage at the section
3) current meter readings at the section
The correct answer is?

A. (1) and (2)
B. (2) and (3)
C. only (2)
D. only (3)

1) evaporation
2) transpiration
3) stream flow
The correct answer is?

A. only (1)
B. (1) and (2)
C. (1) and (3)
D. (1), (2) and (3)

1) largest in regions of high rainfall
2) largest in coastal areas
3) largest in regions of scanty rainfall
The correct answer is?

A. only (1)
B. (1) and (2)
C. only (3)
D. (2) and (3)

1) increases the principal stress
2) decreases the principal stress
3) increases the shear stress
4) decreases the shear stress
The correct answer is

A. (1) and (3)
B. (1) and (4)
C. (2) and (3)
D. (2) and (4)

1) Water pressure
2) Self weight
3) Uplift
4) Pressure due to earthquake
The correct answer is

A. Only (2)
B. (1), (2) and (3)
C. (1), (2) and (4)
D. (1), (2), (3) and (4)

1) difference of vapour pressure between water and air is increased
2) velocity of wind is decreased
3) concentration of soluble solids in water is decreased
The correct answer is?

A. (1) and (i2)
B. (2) and (3)
C. (2) and (3)
D. (1), (2) and (3)