The invented filter is provided just after the end of concrete floor to reduce () possibility of _________________?

Related Mcqs:

1. The under sluices in a weir are provided, at the level of upstream floor dispose off the sediment deposited on downstream is called______________________?

   A. Under sluices
   B. Head sluices
   C. Scouring sluices
   D. Sluice gates

2. Aeration holes are provided to reduce the inside saturation pressure ____________________?

   A. In a weir with end contractions
   B. In a suppressed weir
   C. In a cippoletti weir
   D. In all weir

3. 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

4. The total length of impervious floor on down stream of the hydraulic structure is determined by Bligh’s Theory__________________?

   A. Lane
   B. Darcy
   C. Khosla
   D. All are correct

5. The inverted filter consists layer of materials of increasing ______________ from bottom to top?

   A. Piping
   B. Under mining
   C. Permeability
   D. Up thrust pressure

6. Permissible velocity of water flowing through concrete lined tunnel is usually __________________?

   A. 3 – 4m/sec
   B. 4 – 5m/sec
   C. 5 – 6m/sec
   D. 6 – 7m/sec

7. The wall of masonry or concrete, constructed at 90° to the axis of weir to separate normal weir from under sluices is called____________________?

   A. Divide wall
   B. Retaining wall
   C. Toe wall
   D. All are correct

8. Weep holes are provided in canal lining to _____________________?

   A. improve strength of lining
   B. Give additional anchorage against sliding
   C. Provide water into branch canals
   D. Have drainage facility

9. Khosla provided a seepage theory for design of Hydraulic structures called________________?

   A. Theory of seepage
   B. Method of independent variables
   C. Method of cutoffs
   D. Creep theory

10. In high floods, to avoid spilling of flood water over the gates, a wall is provided from pond level to high Flood level. This wall spans for the entire length of regulator, rest on piers, sustain water pressure by its weight called_____________________?

    A. Retaining wall
    B. Divide wall
    C. Breast wall
    D. Cantilever wall