The groyne pointing upwards direction of flow is called ______________________?

Related Mcqs:

1. The groyne pointing downwards in the direction of flow in fiver is called________________?

   A. Permeable
   B. Impermeable
   C. repelling
   D. Attracting

2. A type of flow in which water particles, while moving in the direction of flow, rotate about their mass centre is called _________________?

   A. Turbulent flow
   B. Laminar flow
   C. Rotational flow
   D. Circular flow

3. The line in a flow net which shows the direction of flow of water through a soil mass beneath dam are called _________________?

   A. Equipotential lines
   B. flow lines
   C. Section lines
   D. Streak lines

4. Mean velocity of flow in a river can be directly measured by means of ______________________?

   A. Dickne’s formula
   B. Current meter
   C. Surface floats
   D. Rod floats

5. A curve consisting two or more arcs of different radii curving in the same direction with common tangent is called ___________________?

   A. Composite curve
   B. Compound curve
   C. Double curve
   D. All are correct

6. The water vapours are generally present in a atmosphere, some times isolated and sometimes mixed with other gases. in such a situation the pressure exerted by each component of mixture, will be called ______________________?

   A. Partial pressure
   B. Saturation pressure
   C. Vapour pressure
   D. All are correct

7. According to Blight, the percolating water seeps along the lower contour of the hydraulic structure, the length traversed by this water is called ______________________?

   A. Creep length
   B. Seeping length
   C. Piping
   D. Undermining

8. The loss of head H/ L is proportional to the length of creep. There fore the loss of head per unit creep length is called ______________________?

   A. Hydraulic gradient
   B. Head loss
   C. Creep length
   D. Exit gradient

9. 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

10. If a river or stream is collecting sediment and is building up dunes in its bed is called ______________________?

    A. Stable river
    B. Sub-stable river
    C. Aggrading river
    D. Sediment river