A channel artificially constructed for water conveyance of appreciable quantities with no problem of silting and scouring is called ____________________?

Related Mcqs:

1. In alluvial river due to the action of centrifugal force, bends are developed by scouring on concave and silting on convex _____________________?

   A. Silting & scouring
   B. Meandering
   C. Aggrading
   D. Degrading

2. The property of saturated soil mass which transmits appreciable quantities . water is called___________________?

   A. Porosity
   B. Transmissibility
   C. Permeability
   D. Discharge

3. A series of vertical steps in a stream made to avoid soil scouring is called ___________________?

   A. Levees
   B. Embankment
   C. Cascades
   D. Banks

4. A structure constructed in channel width having narrow throat and raised floor in bottom, used for measuring discharge is called _____________________?

   A. Cippoletti weir
   B. Venturimeter
   C. Venturiflume
   D. regulator

5. An open cut in the canal bank. with bed and sides to escape canal water through a lead channel to mix water in a nearby drain is called _____________________?

   A. Inlet
   B. Out let
   C. Module
   D. Exit

6. The horizontal flow of water in irrigation channel or canal leading to water loss is called as:_________?

   A. Infiltration
   B. Percolation
   C. Seepage
   D. All of these

   Submitted by: Shafiq Rehman

7. To avoid scouring from end of structure, it is necessary to provide a ________________ at the exit point?

   A. Vertical cutoff
   B. Stone apron
   C. Stone boom
   D. Stone blocks

8. To dispose of the surplus water from dam, a water way is constructed called________________?

   A. Water escape
   B. Spillway
   C. Channel
   D. All are correct

9. A regulator is water controlling structure, it is provided at the head of canal to supply water from parent canal to the branch channel is called_______________________?

   A. Head Regulator
   B. Cross-Regulator
   C. Escape
   D. All are correct

10. 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