| 1. | The frictional resistance of a pipe varies approximately with ............ of the liquid ? | |
|
pressure
|
||
|
velocity
|
||
|
square of velocity
|
||
|
cube of velocity
|
||
View Answer
Discuss in Forum
Report Question| 2. | The Euler's equation for the motion of liquids is based upon the assumption ? | |
|
the fluid is non- viscous, homogeneous and incompressible
|
||
|
the velocity of flow is uniform over the section
|
||
|
the flow is continuous, steady and along the stream line
|
||
|
all of the above
|
||
| 3. | A manometer is used to measure ? | |
|
atmospheric pressure
|
||
|
pressure in pipes and channels
|
||
|
pressure in venturimeter
|
||
|
difference of pressures between two points in a pipe
|
||
| 4. | Coefficient of contraction is the ratio of ? | |
|
actual velocity of jet at vena contracta to the theoretical velocity
|
||
|
loss of head in the orifice to the head of water available at the exit of the orifice
|
||
|
actual discharge through an orifice to the theoretical discharge
|
||
|
area of jet at vena contracta to the area of orifice
|
||
| 5. | The Cippoletti weir is a ................ weir ? | |
|
rectangular
|
||
|
triangular
|
||
|
trapezoidal
|
||
|
circular
|
||
| 6. | A channel is said to be of most economical cross-section, if ? | |
|
it gives maximum discharge for a given cross-sectional area and bed slope
|
||
|
it has minimum wetted perimeter
|
||
|
it involves lesser excavation for the designed am
|
||
|
all of the above
|
||
| 7. | The hydraulic mean depth or the hydraulic radius is the ratio of ? | |
|
area of flow and wetted perimeter
|
||
|
wetted perimeter and diameter of pipe
|
||
|
velocity of flow and area of flow
|
||
|
none of these
|
||