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The continuity equation in ideal fluid flow states that
A Net rate of inflow into any small volume must be zero
B Energy is not constant along a streamline
C Energy is constant along a streamline
D There exists a velocity potential
For one dimensional flow of an incompressible fluid in unsteady state in x-direction, the continuity equation is given by
A $$\frac{{\partial {\text{u}}}}{{\partial {\text{x}}}} = 0$$
B $$\frac{{\partial \left( {\rho {\text{u}}} \right)}}{{\partial {\text{x}}}} = 0$$
C $$\frac{{\partial {\text{u}}}}{{\partial {\text{x}}}} = - \frac{{\partial \rho }}{{\partial {\text{t}}}}$$
D $$\frac{{\partial \rho }}{{\partial {\text{t}}}} = 0$$
Point out which part is grammatically incorrect. 'Good people will make good laws ' 'but good' 'laws passed by a few' 'does not necessarily make' 'a good society' 'No error'
A good people will make good laws
B laws passed by a few
C do not necessarily make
D a good society
In recent survey of the student of a public university . It is found that 65% students are good in Mathematics and 45% students are good in Mathematics and 45% students are good in Statistics. How many students are good in both Mathematics and statistics of the public university?
A 20%
B 5%
C 15%
D 10%
The continuity equation is connected with
A Open channel/pipe flow
B Compressibility of fluids
C Conservation of mass
D Steady/unsteady flow
According to equation of continuity,
A w1a1 = w2a2
B w1v1 = w2v2
C a1v1 = a2v2
D $$\frac{{{{\text{a}}_1}}}{{{{\text{v}}_1}}} = \frac{{{{\text{a}}_2}}}{{{{\text{v}}_2}}}$$
Equation of continuity is based on the principle of conservation of
A mass
B energy
C momentum
D none of the above
The continuity equation of fluid mechanics utilises the principle of conservation of
A Momentum
B Mass
C Energy
D Both B & C
The continuity equation
A Relates mass flow rate along a stream tube
B Relates work and energy
C Stipulates that Newton's second law of motion must be satisfied at every point in the fluid
D None of these
Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the
A Relative volatility is reasonably constant
B Mixture (to be separated) shows negative deviation from ideality
C Mixture (to be separated) shows positive deviation from ideality
D Multicomponent distillation is involved

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