Irrigation Mcqs
Q.1: Study the following statements?
A. 1. Levees are constructed parallel to river flow0
B. 2. Spurs are constructed parallel to river flow/
C. 3. Levees are constructed transverse to river flow2
D. 4. Spurs are constructed transverse to river flow1
Q.2: Select the correct statement?
A. A meander increases the river length but a cut off reduces the river lengthK
B. A cutoff increases the river length but a meander reduces the river lengthJ
C. Both meander and cutoff increase the river length1
D. Both meander and cutoff decrease the river length1
Q.3: Select the incorrect statement ?
A. Intensive irrigation should be avoided in areas susceptible to water loggingL
B. Extensive irrigation should be adopted in areas susceptible to water loggingL
C. Lift irrigation increases water logging'
D. all of the above
Q.4: Instantaneous unit hydrograph is a hydrograph of________________?A
A. 1) unit duration
B. 2) unit rainfall excess
C. 3) infinitely small duration
D. 4) infinitely small rainfall excess#
Q.5: To determine the discharge at a section in a stream from its rating curve, the required data are_______________?p
A. 1) slope of water surface at the section(
B. 2) stage at the section
C. 3) current meter readings at the section(
D. The correct answer is?
Q.6: Interception losses are due to_______________?.
A. 1) evaporation
B. 2) transpiration
C. 3) stream flow
D. The correct answer is?
Q.7: Variability of rainfall is____________?'
A. 1) largest in regions of high rainfall&
B. 2) largest in coastal areas
C. 3) largest in regions of scanty rainfall(
D. The correct answer is?
Q.8: Presence of tail water in a gravity dam_____________?5
A. 1) increases the principal stress!
B. 2) decreases the principal stress!
C. 3) increases the shear stress
D. 4) decreases the shear stress
Q.9: The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are________________?
A. 1) Water pressure
B. 2) Self weight
C. 3) Uplift
D. 4) Pressure due to earthquake
Q.10: Rate of evaporation from a water surface increases if_________________?G
A. 1) difference of vapour pressure between water and air is increasedC
B. 2) velocity of wind is decreased
C. 3) concentration of soluble solids in water is decreased8
D. The correct answer is?

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