Chapter 13 – Fluid Mechanics
Equal volume of two immiscible liquids of densities ρ and 2ρ are filled in a vessel as shown in figure. Two small holes are made as shown in figure from which the liquid is flowing. If v1 and v2 are the velocities of efflux at these two holes, then v2/v1 is
20
Sep
Equal volume of two immiscible liquids of densities ρ and 2ρ are filled in a vessel as shown in figure. Two small holes are made as shown in figure from which the liquid is flowing. If v1 and v2 are the velocities of efflux at these two holes, then v2/v1 is In a tube of [...]
A large tank filled with water to a height h is to be emptied through a small hole at the bottom. The ratio of times taken for the level of water to fall from h to h/2 and from h/2 to 0 is
20
Sep
A large tank filled with water to a height h is to be emptied through a small hole at the bottom. The ratio of times taken for the level of water to fall from h to h/2 and from h/2 to 0 is A large tank filled with water to a height h is to [...]
Water flows steadily through a horizontal pipe of variable cross – section. If the pressure of water is P at a point where flow speed is v, The pressure at another point where the flow speed is 2v is (Take density of water as ρ )
20
Sep
Water flows steadily through a horizontal pipe of variable cross – section. If the pressure of water is P at a point where flow speed is v, The pressure at another point where the flow speed is 2v is (Take density of water as ρ ) The pressure at another point where the flow speed [...]
Water is flowing through a pipe of constant cross-section. At some point the pipe becomes narrow and the cross-section is halved. The speed of water is
20
Sep
Water is flowing through a pipe of constant cross-section. At some point the pipe becomes narrow and the cross-section is halved. The speed of water is Water is flowing through a pipe of constant cross-section. At some point the pipe becomes narrow and the cross-section is halved. The speed of water is September 20, 2020 [...]
The cylindrical tube of a spray pump has a cross-section of 8.0 cm^2 one end of which has 40 fine holes each of area 10^-8 m^2. If the liquid flow inside the tube with a speed of 1.5 m min^−1, what is the speed with which the liquid ejected through the holes ?
20
Sep
The cylindrical tube of a spray pump has a cross-section of 8.0 cm^2 one end of which has 40 fine holes each of area 10^-8 m^2. If the liquid flow inside the tube with a speed of 1.5 m min^−1, what is the speed with which the liquid ejected through the holes ? The cylindrical [...]
At what speed, the velocity head of water is equal to the pressure head of 40 cm of Hg ? Density of mercury = 13.6 gm /cm^3
20
Sep
At what speed, the velocity head of water is equal to the pressure head of 40 cm of Hg ? Density of mercury = 13.6 gm /cm^3 At what speed the velocity head of water is equal to the pressure head of 40 cm of Hg ? Density of mercury = 13.6 gm /cm^3 September [...]
In a tube of radius 5 cm, the rate of flow of water is 0.004m^3 s^-1 . Calculate the velocity of water in the tube.
20
Sep
In a tube of radius 5 cm, the rate of flow of water is 0.004m^3 s^-1 . Calculate the velocity of water in the tube. In a tube of radius 5 cm the rate of flow of water is 0.004m^3 s^-1 . Calculate the velocity of water in the tube. September 20, 2020 Category: Chapter [...]
The flow rate of water from a tap of diameter 1.25 cm is 0.48L/min. The coefficient of viscosity of water is 10^−3Pa−s. After sometime, the flow rate is increased to 3L/min. Characterise the flow for both the flow rates.
20
Sep
The flow rate of water from a tap of diameter 1.25 cm is 0.48L/min. The coefficient of viscosity of water is 10^−3Pa−s. After sometime, the flow rate is increased to 3L/min. Characterise the flow for both the flow rates. the flow rate is increased to 3L/min. Characterise the flow for both the flow rates. The [...]
water is flowing in a pipe of radius 2 cm with the average velocity of 15 cm s^-1. What is the nature of flow ? Given coefficient of viscosity of water n is 0.001 kg m^-1 s^-1 and its density is 10^3 kg m^-3
20
Sep
water is flowing in a pipe of radius 2 cm with the average velocity of 15 cm s^-1. What is the nature of flow ? Given coefficient of viscosity of water n is 0.001 kg m^-1 s^-1 and its density is 10^3 kg m^-3 A rectangular film of liquid is extended from (4cm×2cm) to (5cm×4cm). [...]
(a) The flow of blood in an artery of radius 2×10^3 has maintain streamlined. What is the largest average velocity in m/s of blood flow in the artery ? (b) Calculate also the rate of flow of blood in m^3 s^-1 in the artery while streamline flow. Viscosity of blood is 2.084 x 10^-3 pa s, density of blood is 1.06 x 10^-3 and Reynold’s number is 2000.
20
Sep
(a) The flow of blood in an artery of radius 2×10^3 has maintain streamlined. What is the largest average velocity in m/s of blood flow in the artery ? (b) Calculate also the rate of flow of blood in m^3 s^-1 in the artery while streamline flow. Viscosity of blood is 2.084 x 10^-3 pa [...]