One-dimensional flow
Two-dimensional flow
Three-dimensional flow
Four-dimensional flow
B. Two-dimensional flow
π w ω² r²/4g
π w ω² r³/4g
π w ω² r⁴/4g
π w ω² r²/2g
Equal to
Directly proportional
Inversely proportional
None of these
More
Less
Same
More or less depending on size of glass tube
Critical flow
Turbulent flow
Tranquil flow
Torrential flow
tanθ = a/g
tanθ = 2 a/g
tanθ = a/2g
tanθ = a2/2g
Supersonics, as with projectiles 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 force, and wave making effects, as with ship's hulls
All of the above
4μvl/wd²
8μvl/wd²
16μvl/wd²
32μvl/wd²
Force of adhesion
Force of cohesion
Force of friction
Force of diffusion
(2A√H₁)/(Cd × a√2g)
(2AH₁)/(Cd × a√2g)
(2AH₁3/2)/(Cd × a√2g)
(2AH₁²)/(Cd × a√2g)
1/2 × depth
1/2 × breadth
1/2 × sloping side
1/4 × (depth + breadth)
Double
Four times
Eight times
Sixteen times
d = (D⁵/8fl)1/2
d = (D⁵/8fl)1/3
d = (D⁵/8fl)1/4
d = (D⁵/8fl)1/5
Venturimeter
Orifice meter
Pitot tube
All of these
Surface tension
Cohesion of the liquid
Adhesion of the liquid molecules and the molecules on the surface of a solid
All of the above
2.4 m
3.0 m
4.0 m
5.0 m
Water surface
Center of pressure
Center of gravity
Center of buoyancy
400 kg/cm²
4000 kg/cm²
40 × 10⁵ kg/cm²
40 × 10⁶ kg/cm²
Meta centre should be above e.g.
Centre of buoyancy and e.g. must lie on same vertical plane
A righting couple should be formed
All of the above
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
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
Real fluid
Ideal fluid
Newtonian fluid
Non-Newtonian fluid
Avoid the tendency of breaking away the stream of liquid
To minimise frictional losses
Both (A) and (B)
None of these
N/mm2
N/m2
Head of liquid
All of these
19.24 kPa
29.24 kPa
39.24 kPa
49.24 kPa
Venturimeter
Orifice plate
Hot wire anemometer
Pitot tube
μ π³ N² R² /1800 t
μ π³ N² R⁴ /1800 t
μ π³ N² R² /3600 t
μ π³ N² R⁴ /3600 t
(8/15) Cd. 2g. H
(8/15) Cd. 2g. H3/2
(8/15) Cd. 2g. H²
(8/15) Cd. 2g. H5/2
Cannot be compressed
Occupy definite volume
Are not affected by change in pressure and temperature
None of the above
Q = (2/3) Cd × b × √(2g) × (H2 - H1)
Q = (2/3) Cd × b × √(2g) × (H2 1/2 - H1 1/2)
Q = (2/3) Cd × b × √(2g) × (H2 3/2 - H1 3/2)
Q = (2/3) Cd × b × √(2g) × (H2 2 - H1 2)
Only when the fluid is frictionless
Only when the fluid is incompressible and has zero viscosity
When there is no motion of one fluid layer relative to an adjacent layer
Irrespective of the motion of one fluid layer relative to an adjacent layer