Silt free water should be supplied to the canals through______________________?

Related Mcqs:

1. The field capacity is the water retained by a saturated soil after free drainage of surplus water to the ground water table but the water retained by a saturated soil after being centrifuged by a centrifugal force of 1000 times that of gravity is called________________?

   A. Soil moisture
   B. Equivalent moisture
   C. Field moisture
   D. Available moisture

2. In case of silt deposition in the dam reservoir to dispose of the effectively ________________ be used?

   A. Vortex pipes
   B. Silt excluders
   C. Silt ejectors
   D. All are correct

3. The stability analysis of earth dam founded on cohesion less silt material be made against_____________________?

   A. Shear
   B. Turning
   C. Sinking
   D. Buckling

4. According to Kennedy’s silt theory , the critical velocity is directly proportional to depth of flow _____________________?

   A. D0.64
   B. D0.65
   C. D0.66
   D. D0.67

5. The method of irrigation in which each tree is surrounded by a border to form a pool when water is supplied is called ________________?

   A. Furrow irrigation
   B. Basin irrigation
   C. Border irrigation
   D. Check irrigation

6. Canals normally excavated directly from river without head regulator is called___________________?

   A. Perennial canals
   B. Inundation canals
   C. Non-perennial canals
   D. Water shed canals

7. When high flood passing down weir creating high up lift pressures and there is no flow in the canals, if such condition is taken for design and is called__________________?

   A. High flood level
   B. Dangerous condition
   C. Hydraulic design condition
   D. Worst condition

8. A water pool is designed on the down stream of the hydraulic structure to dissipate the energy of falling water by providing a water cushion called ______________________?

   A. Water pool
   B. Cistern
   C. Down stream pond
   D. Water cushion

9. The water evaporates from paddy surfaces to the atmosphere in the form of water vapours, these water vapours get collected in the atmosphere and behave & like_________________?

   A. Water
   B. Snow
   C. Ice particles
   D. Gas

10. Water logging caused by ____________ water, which during excessive irrigation percolates down and join under ground water table?

    A. Capillary
    B. Hygroscopic
    C. Gravity
    D. Free