Cannot be subjected to shear forces
Always expands until it fills any container
Has the same shear stress at a point regardless of its motion
Cannot remain at rest under action of any shear force
D. Cannot remain at rest under action of any shear force
Linearly
First slowly and then steeply
First steeply and then gradually
Unpredictable
The weight of the body
More than the weight of the body
Less than the weight of the body
Weight of the fluid displaced by the body
Sill or crest
Nappe or vein
Orifice
None of these
Ratio of inertial force to force due to viscosity
Ratio of inertial force to force due to gravitation
Ratio of inertial force to force due to surface tension
All the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity
4.1 s
5.2 s
10.4 s
14.1 s
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
π w ω² r²/4g
π w ω² r³/4g
π w ω² r⁴/4g
π w ω² r²/2g
Cohesion
Adhesion
Viscosity
Surface tension
v₁²/2g
v₂²/2g
0.5 v₁²/2g
0.375 v₂²/2g
The pressure below the nappe is atmospheric
The pressure below the nappe is negative
The pressure above the nappe is atmospheric
The pressure above the nappe is negative
Steady
Streamline
Turbulent
Unsteady
Metres² per sec
kg sec/meter
Newton-sec per meter
Newton-sec² per meter
Velocity of flow at the required point in a pipe
Pressure difference between two points in a pipe
Total pressure of liquid flowing in a pipe
Discharge through a pipe
To control the pressure variations due to rapid changes in the pipe line flow
To eliminate water hammer possibilities
To regulate flow of water to turbines by providing necessary retarding head of water
All of the above
Reynold's number
Froude's number
Mach number
Euler's number
Pressure in pipe, channels etc.
Atmospheric pressure
Very low pressures
Difference of pressure between two points
Metres² per sec
kg sec/metre
Newton-sec per metre
Newton-sec per metre
1000 N/m3
10000 N/m3
9.81 × 103 N/m3
9.81 × 10⁶ N/m3
Same
Higher
Lower
Lower/higher depending on weight of body
5 mm
10 mm
20 mm
30 mm
μ π³ N² R² /1800 t
μ π³ N² R⁴ /1800 t
μ π³ N² R² /3600 t
μ π³ N² R⁴ /3600 t
Increases
Decreases
Remain constant
Increases first up to certain limit and then decreases
Half the depth
Half the breadth
Twice the depth
Twice the breadth
Less man the vapour pressure over the plane surface
Equal to the vapour pressure over the plane surface
Greater than the vapour pressure over the plane surface
Zero
Atmospheric pressure
Gauge pressure
Absolute pressure
Mean pressure
More
Less
Same
More or less depending on size of glass tube
Underground flow
Flow past tiny bodies
Flow of oil in measuring instruments
All of these
Venturimeter
Orifice plate
Hot wire anemometer
Pitot tube
Viscosity
Osmosis
Surface tension
Cohesion
Directly proportional
Inversely proportional
Square root of velocity
None of these