The resultant force acting on a floating body
The resultant force on a body due to the fluid surrounding it
Equal to the volume of liquid displaced
The force necessary to maintain equilibrium of a submerged body
B. The resultant force on a body due to the fluid surrounding it
Notch
Weir
Mouthpiece
Nozzle
Low density
High density
Low surface tension
High surface tension
Inertia force
Viscous force
Gravity force
All of these
Any weight, floating or immersed in a liquid, is acted upon by a buoyant force
Buoyant force is equal to the weight of the liquid displaced
The point through which buoyant force acts, is called the center of buoyancy
Center of buoyancy is located above the center of gravity of the displaced liquid
Venturimeter
Orifice plate
Pitot tube
Rotameter
Narrow-crested weir
Broad-crested weir
Ogee weir
Submerged weir
Varies as the square of the radial distance
Increases linearly as its radial distance
Increases as the square of the radial distance
Decreases as the square of the radial distance
v²/2g
0.5v²/2g
0.375v²/2g
0.75v²/2g
Decreases
Increases
Remain same
None of these
Gauge pressure
Absolute pressure
Positive gauge pressure
Vacuum pressure
Constant
Variable
Zero
Zero under limiting conditions
Straight line
Parabolic curve
Hyperbolic curve
Elliptical
Boyle's law
Archimedes principle
Pascal's law
Newton's formula
Increases
Decreases
Remain unaffected
Unpredictable
Q = Cd × bH₁ × √(2gh)
Q = Cd × bH2 × √(2gh)
Q = Cd × b (H2 - H1) × √(2gh)
Q = Cd × bH × √(2gh)
The pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid
Pressure becomes more than critical pressure
Flow is increased
Pressure is increased
The direction and magnitude of the velocity at all points are identical
The velocity of successive fluid particles, at any point, is the same at successive periods of time
The magnitude and direction of the velocity do not change from point to point in the fluid
The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane
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
100 litres
250 litres
500 litres
1000 litres
Open channel/pipe flow
Compressibility of fluids
Conservation of mass
Steady/unsteady flow
(v₁ - v₂)²/g
(v₁² - v₂²)/g
(v₁ - v₂)²/2g
(v₁² - v₂²)/2g
The area is horizontal
The area is vertical
The area is inclined
All of the above
Local atmospheric pressure depends upon elevation of locality only
Standard atmospheric pressure is the mean local atmospheric pressure a* sea level
Local atmospheric pressure is always below standard atmospheric pressure
A barometer reads the difference between local and standard atmospheric pressure
Expands
Does not change
Contracts
None of these
Wake
Drag
Lift
Boundary layer
Velocity of liquid
Pressure of liquid
Area of mouthpiece
Length of mouthpiece
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
Loss of head in the orifice to the head of water available at the exit of the orifice
Area of jet at vena-contracta to the area of orifice
Steady
Unsteady
Laminar
Vortex
The direction and magnitude of the velocity at all points are identical
The velocity of successive fluid particles, at any point, is the same at successive periods of time
Velocity, depth, pressure, etc. change from point to point in the fluid flow.
The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane
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