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Equation of Continuity

The equation ...

Question

The equation of continuity is:

a V^{- 1}

= constant.

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a^{2} V

= constant.

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\frac{V}{a}

= constant.

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a V

= constant.

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Solution

The correct option is B $a V$ = constant.
According to equation of continuity, if $a$ is the cross section area and $V$ is the velocity of liquid in pipe at any point, then $a V =$ constant i.e. flow rate remains constant, because there is no leakage of water anywhere.

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Similar questions

Select the correct formula :

(where k=Boltzmann's constant, R= gas constant, n= moles, r = density, M= molecular weight, p= pressure, T= kelvin temperature, V= volume)

a) k=RN $_{a v}$

b) $r = \frac{n M}{V}$

c) $\frac{p}{r} = \frac{R T}{M}$

d) R=kN $_{a v}$

1. Current carrying wire	a. current is constant
2. Water carrying pipe	b. Av = constant

P = \frac{R T}{V - b} e^{\frac{a V}{R T}}

V = v o l u m e, P = p r e s s u r e, R =

T =

a

r

P_{a v}

I = P_{a v} / 4 π r^{2}

P_{a v}

v_{S}

I = \frac{P_{a v}}{4 π r^{2}} (\frac{v - v_{S}}{v})

P = b - a V

b

a

V < \frac{b}{a}

(R

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