Some
important Question of Hydraulic
1. The
basic head loss in a long pipe is :
a) Fittings
b) Sudden
increase in diameter
c) Sudden
decrease in diameter
d) Friction
2. Which
of the following has highest coefficient of discharge:
a) Sharp
edge of orifice
b) Venturimeter
c) Cipolleti
weir
d) Borda’s
mouth piece running full
3. The
hydrostatic force exerted by 2 m deep water on the gate down stream is equal to
:
a) 40
KN
b) 10
KN
c) 20
KN
d) 30
KN
4. The
total energy of a liquid in motion is equal to :
a) Pressure
energy + kinetic energy + potential energy
b) Pressure
energy – (Kinetic energy + potential energy)
c) Potential
energy – (pressure energy + kinetic energy)
d) Kinetic
energy – (pressure energy + potential energy)
5. If
fluid or flow parameters at any given instant remain sam at every point in
space, it is called “
a) Steady
flow
b) Laminar
flow
c) Uniform
flow
d) Rotational
flow
6. To
measure very low pressure, we use :
a) Barometers
b) Piezometers
c) Monometers
d) Differential
monometers
7. The
upper surface of the weir over which water flows is known as :
a) Vein
b) Nappe
c) Sill
d) None
of the above
8. What
affects in quantity of mass of a fluid ?
a) Acceleration
due to gravity
b) Distance
from the center of the earth
c) Elevation
of the body
d) None
of the above
9. The
magnitude of capillary rise in more in :
a) Silts
b) Sands
c) Clays
d) Gravels
10. The
total pressure force on a plane area is equal to the area multiplied by the
intensity of pressure at its centroid, if
a) Area
is horizontal
b) Area
is vertical
c) Area
is inclined
d) All
of the above
|
Q
|
Ans
|
Q
|
Ans
|
|
1
|
d
|
6
|
b
|
|
2
|
b
|
7
|
d
|
|
3
|
c
|
8
|
d
|
|
4
|
a
|
9
|
c
|
|
5
|
b
|
10
|
d
|
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