Up-thrust
Buoyancy
Center of pressure
All the above are correct
B. Buoyancy
Same
Higher
Lower
Lower/higher depending on weight of body
Steady uniform flow
Steady non-uniform flow
Unsteady uniform flow
Unsteady non-uniform flow
Inertia
Gravity
Viscous
None of these
2gH
H × √(2g)
2g × √H
√(2gh)
Gravitational force is equal to the up-thrust of the liquid
Gravitational force is less than the up-thrust of the liquid
Gravitational force is more than the up-thrust of the liquid
None of the above
Q = Cd × a × 2gh
Q = (2/3). Cd × a × h
Q = (Cd × a)/√(2gh)
Q = (3Cd × a)/√(2h)
Open channel/pipe flow
Compressibility of fluids
Conservation of mass
Steady/unsteady flow
Elastic properties of the pipe material
Elastic properties of the liquid flowing through the pipe
Speed at which the valve is closed
All of the above
Venturimeter
Orifice meter
Pitot tube
All of these
The center of gravity of the body and the metacentre
The center of gravity of the body and the center of buoyancy
The center of gravity of the body and the center of pressure
Center of buoyancy and metacentre
2100
2700
10,000
21,000
Does not change
Decreases
Increases
None of these
Supersonics, as with projectile and jet propulsion
Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls
All of the above
Gauge pressure
Absolute pressure
Positive gauge pressure
Vacuum pressure
K.ρ
K/ρ
ρ/K
None of these
Coincides with
Lies below
Lies above
None of these
Pressure head
Velocity head
Pressure head + velocity head
Pressure head - velocity head
Real fluid
Ideal fluid
Newtonian fluid
Non-Newtonian fluid
Length of both the pipes is same
Diameter of both the pipes is same
Loss of head and discharge of both the pipes is same
Loss of head and velocity of flow in both the pipes is same
Steady flow
Turbulent flow
Vortex flow
Uniform flow
15.3 m
25.3 m
35.3 m
45.3 m
1.84 (L - 0.1nH)H3/2
1.84 (L - nH)H2
1.84 (L - 0.1nH)H5/2
1.84 (L - nH)H3
Inertia force
Viscous force
Gravity force
All of these
Sub-sonic velocity
Super-sonic velocity
Lower critical velocity
Higher critical velocity
On the surface at which resultant pressure acts
On the surface at which gravitational force acts
At which all hydraulic forces meet
Similar to metacentre
Atmospheric pressure
Pressure in pipes and channels
Pressure in Venturimeter
Difference of pressures between two points in a pipe
Volumetric strain
Volumetric index
Compressibility
Adhesion
Bourdon tube
Pirani Gauge
Micro-manometer
Lonisation gauge
Double
Four times
Eight times
Sixteen times
One dimensional flow
Uniform flow
Steady flow
Turbulent flow