μπ²NR/60t
μπ²NR²/60t
μπ²NR³/60t
μπ²NR⁴/60t
D. μπ²NR⁴/60t
Pressure head
Velocity head
Pressure head + velocity head
Pressure head - velocity head
dQ/Q = 3/2 × (dH/H)
dQ/Q = 2 × (dH/H)
dQ/Q = 5/2 × (dH/H)
dQ/Q = 3 × (dH/H)
Cohesion
Adhesion
Viscosity
Surface tension
1 Pa
91 Pa
981 Pa
9810 Pa
Parallel to central axis flow
Parallel to outer surface of pipe
Of equal velocity in a flow
Along which the pressure drop is uniform
Vacuum pressure
Gauge pressure
Absolute pressure
Atmospheric pressure
Cohesion pressure is negligible
Cohesion pressure is decreased
Cohesion pressure is increased
There is no cohesion pressure
Metacentre
Center of pressure
Center of buoyancy
Center of gravity
Less than
More than
Equal to
None of these
Dynamic viscosity/density
Dynamic viscosity × density
Density/dynamic viscosity
1/dynamic viscosity × density
0.405 + (0.003/H)
0.003 + (0.405/H)
0.405 + (H/0.003)
0.003 + (H/0.405)
ML°T⁻²
ML°T
ML r²
ML²T²
At
Above
Below
None of these
ω.r/2g
ω².r²/2g
ω.r/4g
ω².r²/4g
Straight line
Parabolic curve
Hyperbolic curve
Elliptical
Pressure
Flow
Shape
Volume
Fluids are capable of flowing
Fluids conform to the shape of the containing vessels
When in equilibrium, fluids cannot sustain tangential forces
When in equilibrium, fluids can sustain shear forces
Equal to
Less than
More than
None of these
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
Decrease
Increase
Remain unchanged
Depend upon the characteristics of liquid
Centre of gravity
Centre of depth
Centre of pressure
Centre of immersed surface
Pressure
Velocity
Square of velocity
Cube of velocity
Plus
Minus
Divide
Multiply
Pressure
Distance
Density
Flow
Low pressure
Moderate pressure
High pressure
Atmospheric pressure
1000 N/m3
10000 N/m3
9.81 × 103 N/m3
9.81 × 10⁶ N/m3
(2A√H₁)/(Cd × a√2g)
(2AH₁)/(Cd × a√2g)
(2AH₁3/2)/(Cd × a√2g)
(2AH₁²)/(Cd × a√2g)
Newton-sec/m
Newton-m/sec
Newton/m
Newton
N-m/s
N-s/m2
m2/s
N-m
Higher surface tension
Lower surface tension
Surface tension is no criterion
High density and viscosity