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

Related Mcqs:

1. The velocity in a large canal or channel measured at a depth of ___________________ gives the mean velocity using the current meter?

   A. 0.6m
   B. 0.5m
   C. 0.6 depth
   D. 0.5 depth

2. During the peak stage of river, there exist an out flow from river into the ground water reservoir, in such case river will be called _________________?

   A. Influent stream
   B. Effluent stream
   C. Storm water stream
   D. Seepage stream

3. A curve showing the maximum flow in the river and mean time reduces flow. we be called___________________?

   A. Infiltration capacity
   B. Infiltration capacity curve
   C. Ground water depletion curve
   D. All are correct

4. In a river the flood water dries up before it joins the sea or any other river, such river is called ________________?

   A. Flashy
   B. Virgin
   C. Tidal
   D. Deltaic

5. 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

6. A water rise takes place on down stream of sloping glacis, when a stream of water moving with high velocity and low depth strikes another stream of flow moving with low velocity and high depth, such breakage in water surface is called______________?

   A. Water wave
   B. Water tide
   C. Hydraulic jump
   D. Afflux

7. A fish ladder is device by which flow energy can be dissipated in such a manner as to provide easy access to the downstream fish to come on upstream side, the velocity of flow varies from___________________?

   A. 2.0 – 2.5 – m/sec
   B. 2.5 – 3 m/sec
   C. 3.0 – 3.5 m/sec
   D. 3.5 – 4.0 m/sec

8. The specific weight of water at normal pressure of 760 mm, 4ºC temperature and at mean sea level is ______________________?

   A. 960kg/m3
   B. 1000ka/m3
   C. 1100kg/m3
   D. 1020kg/m3

9. 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

10. 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