water flows through a pipe of diameter 3m. the stagnation pressure and static pressure measure by a pitot static tube is 0.3 m and 0.24 m of water. the velocity of flows
a) 3.24 b) 2.17
c)0.1085 d)1.085
Answers
Answered by
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Answer:
b) 2.17
Q =vA
Where;
Q = flow rate
v = velocity
A = cross sectional area.
Therefore v = Q/A
In your case Q is given and
A = pi(D^2)/4 = 3.14 × 0.5 × 0.5 / 4 = 0.2 cm^2
v= 3 / 0.2 = 2.17
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Answered by
0
Answer:
The velocity of the water flows, V, calculated is .
Therefore, option d) is correct.
Explanation:
Given data,
The diameter of the pipe =
The stagnation pressure of the water flow, P₁ =
The static pressure of the water flow, P₂ =
The velocity of the water flow, V =?
From the relation given below, we can find out the velocity of the water flows:
Here g = gravity =
And is known as the pressure-head difference.
Therefore, the equation becomes:
- V =
- V = ≈
Hence, the velocity of the water flows, V = .
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