Less than
More than
Equal to
None of these
A. Less than
Red wood
Say bolt
Engler
Orsat
0.8
1
1.2
1.6
Mass
Momentum
Energy
Work
There is no loss of energy of the liquid flowing
The velocity of flow is uniform across any cross-section of the pipe
No force except gravity acts on the fluid
All of the above
l/d² = (l₁/d₁²) + (l₂/d₂²) + (l₃/d₃²)
l/d³ = (l₁/d₁³) + (l₂/d₂³) + (l₃/d₃³)
l/d⁴ = (l₁/d₁⁴) + (l₂/d₂⁴) + (l₃/d₃⁴)
l/d⁵ = (l₁/d₁⁵) + (l₂/d₂⁵) + (l₃/d₃⁵)
Resultant force acting on a floating body
Equal to the volume of liquid displaced
Force necessary to keep a body in equilibrium
The resultant force on a body due to the fluid surrounding it
Directly proportional to density of fluid
Inversely proportional to density of fluid
Directly proportional to (density)1/2 of fluid
Inversely proportional to (density)1/2 of fluid
Up-thrust
Buoyancy
Center of pressure
All the above are correct
Velocity of liquid
Pressure of liquid
Area of mouthpiece
Length of mouthpiece
Pascal's law
Archimedess principle
Principle of floatation
Bernoulli's theorem
At C.G. of body
At center of pressure
Vertically upwards
At metacentre
4μvl/wd²
8μvl/wd²
16μvl/wd²
32μvl/wd²
Zero
Minimum
Maximum
None of these
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
The horizontal component of the hydrostatic force on any surface is equal to the normal force on the vertical projection of the surface
The horizontal component acts through the center of pressure for the vertical projection
The vertical component of the hydrostatic force on any surface is equal to the weight of the volume of the liquid above the area
The vertical component passes through the center of pressure of the volume
Surface tension
Viscosity
Friction
Cohesion
Pascal
Poise
Stoke
Faraday
Steady uniform flow
Steady non-uniform flow
Unsteady uniform flow
Unsteady non-uniform flow
Weber's number is the ratio of inertia force to elastic force.
Weber's number is the ratio of gravity force to surface tension force.
Weber's number is the ratio of viscous force to pressure force.
Weber's number is the ratio of inertia force to surface tension force.
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
v²/2g
0.5v²/2g
0.375v²/2g
0.75v²/2g
ω.r/2g
ω².r²/2g
ω.r/4g
ω².r²/4g
Increase
Decrease
Remain same
Increase/decrease depending on depth of immersion
Tensile stress
Compressive stress
Shear stress
Bending stress
Steady uniform flow
Steady non-uniform flow
Unsteady uniform flow
Unsteady non-uniform flow
(8/15) Cd. 2g. H
(8/15) Cd. 2g. H3/2
(8/15) Cd. 2g. H²
(8/15) Cd. 2g. H5/2
Metres² per sec
kg sec/meter
Newton-sec per meter
Newton-sec² per meter
d = (D⁵/8fl)1/2
d = (D⁵/8fl)1/3
d = (D⁵/8fl)1/4
d = (D⁵/8fl)1/5
Less than 2000
Between 2000 and 2800
More than 2800
None of these
51 cm
50 cm
52 cm
52.2 cm