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Q. No.The flow of blood in a large artery of an anesthetised dog is diverted through a Venturi meter. The wider part of the meter has a cross-sectional area equal to that of the artery. A = 8 . The narrower part has an area a = 4 . The pressure drop in the artery is 24 Pa. What is the speed of the blood in the artery?
(Density of blood = )
1. 145 m/s
2. 0.145 m/s
3. 123 m/s
4. 0.123 m/s
Subtopic: Bernoulli's Theorem |
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A fully loaded Boeing aircraft has a mass of \(3.3\times 10^{5}~\text{kg}\). Its total wing area is \(500~\text{m}^2.\) It is in level flight with a speed of \(960\) km/h. The pressure difference between the lower and upper surfaces of the wings is:
[Given: Density of air, \(\rho = 1.2~\text{kgm}^{-3}~\text{and}~g = 9.8~\text{m/s}^2]\)
1. \(6.5\times 10^{4}~\text{Nm}^{-2}\)
2. \(6.5\times 10^{3}~\text{Nm}^{-2}\)
3. \(6.5\times 10^{5}~\text{Nm}^{-2}\)
4. \(5.5\times 10^{5}~\text{Nm}^{-2}\)
[Given: Density of air, \(\rho = 1.2~\text{kgm}^{-3}~\text{and}~g = 9.8~\text{m/s}^2]\)
1. \(6.5\times 10^{4}~\text{Nm}^{-2}\)
2. \(6.5\times 10^{3}~\text{Nm}^{-2}\)
3. \(6.5\times 10^{5}~\text{Nm}^{-2}\)
4. \(5.5\times 10^{5}~\text{Nm}^{-2}\)
Subtopic: Bernoulli's Theorem |
64%
From NCERT
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A fully loaded Boeing aircraft has a mass of \(3.3\times10^{5}~\text{kg}.\) Its total wing area is \(500~\text{m}^2\). It is in level flight with a speed of \(960\) km/h. The fractional increase in the speed of the air on the upper surface of the wing relative to the lower surface is:
1. \(0.008\)
2. \(0.08\)
3. \(0.8\)
4. \(8.0\)
1. \(0.008\)
2. \(0.08\)
3. \(0.8\)
4. \(8.0\)
Subtopic: Bernoulli's Theorem |
60%
From NCERT
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Q. No.
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