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Harikrishna Sanapala

· started a discussion

· 1 Months ago

formula wrong (Question: 331949.0 )

CORRCET FOTMULA cda1a2/root(a1 squre -a2 squre

Question:

The discharge through a venturimeter is given by if cd = coefficient of discharge , a1 = area at inlet, a2 = area at throat, h = venturi-head:

Options:

A)

$\frac{C_{d} \sqrt{a_{1}^{2} - a_{2}^{2}}}{a_{1} a_{2}} \sqrt{2 g h}$

B)

$\frac{C_{d} a_{1} a_{2}}{a_{1}^{2} - a_{2}^{2}} \sqrt{2 g h}$

C)

$\frac{C_{d} {(a}_{1} {- a}_{2)}}{a_{1} + a_{2}} \sqrt{2 g h}$

D)

$\frac{C_{d} \sqrt{a_{1} a_{2}}}{a_{1} + a_{2}} \sqrt{2 g h}$

Solution:

Ans: (b)

sundar

· commented

· 1 Months ago

The formula is = [(Cd×A1×A2)×root(2gh)]÷ root(A1^2-A2^2)

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