Chapter 14 – Fluid Mechanics
A cylindrical tank has a hole of 1cm^2 in its bottom. If the water is allowed to flow into the tank from a tube above it at the rate of 70 cm^3/sec then the maximum height up to which water can rise in the tank is ( g = 9.8 m/s^2)
14
Sep
A cylindrical tank has a hole of 1cm^2 in its bottom. If the water is allowed to flow into the tank from a tube above it at the rate of 70 cm^3/sec then the maximum height up to which water can rise in the tank is ( g = 9.8 m/s^2) Water flows through two [...]
A large tank is filled with water to a height H. A small hole is made at the base of the tank. It takes T1 time to decrease the height of water to Hη(η>1) and it takes T2 times to take out the rest of water. If T1=T2, then the value of η is
14
Sep
A large tank is filled with water to a height H. A small hole is made at the base of the tank. It takes T1 time to decrease the height of water to Hη(η>1) and it takes T2 times to take out the rest of water. If T1=T2, then the value of η is Water [...]
A cylindrical drum, open at the top, contains 30 litres of water. It drains out through a small opening at the bottom. 10 litres of water comes out in time t1, the next 10 litres in a further time t1 and the last 10 litres in a further time t3 Then,
14
Sep
A cylindrical drum, open at the top, contains 30 litres of water. It drains out through a small opening at the bottom. 10 litres of water comes out in time t1, the next 10 litres in a further time t1 and the last 10 litres in a further time t3 Then, A cylindrical drum contains [...]
An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit length of the water jet. What is the rate at which kinetic energy is imparted to water :
14
Sep
An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit length of the water jet. What is the rate at which kinetic energy is imparted to water : an ideal liquid flows through the tube and pressure PA and PB at the [...]
There are two identical small holes on the opposite sides of a tank containing a liquid. The tank is open at the top. The difference in height between the two holes is h. As the liquid comes out of the two holes. The tank will experience a net horizontal force proportional to.
14
Sep
There are two identical small holes on the opposite sides of a tank containing a liquid. The tank is open at the top. The difference in height between the two holes is h. As the liquid comes out of the two holes. The tank will experience a net horizontal force proportional to. an ideal liquid [...]
A liquid of density ρ comes out with a velocity v from a horizontal tube of area of cross-section A. The reaction force exerted by the liquid on the tube is F. Choose the incorrect option.
14
Sep
A liquid of density ρ comes out with a velocity v from a horizontal tube of area of cross-section A. The reaction force exerted by the liquid on the tube is F. Choose the incorrect option. A liquid of density ρ comes out with a velocity v from a horizontal tube of area of cross-section [...]
Water flows through two identical tubes A and B. A volume Vo of water passes through the tube A and 2 Vo through B in a given time. Choose the incorrect option.
14
Sep
Water flows through two identical tubes A and B. A volume Vo of water passes through the tube A and 2 Vo through B in a given time. Choose the incorrect option. Water flows through two identical tubes A and B. A volume Vo of water passes through the tube A and 2 Vo through [...]
A liquid is kept in a cylindrical vessel which is being rotated about a vertical axis through the centre of the circular base. If the radius of the vessel is r and angular velocity of rotation is ω, then the difference in the heights of the liquid at the centre of the vessel and the edge is.
14
Sep
A liquid is kept in a cylindrical vessel which is being rotated about a vertical axis through the centre of the circular base. If the radius of the vessel is r and angular velocity of rotation is ω, then the difference in the heights of the liquid at the centre of the vessel and the [...]
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A liquid is kept in a cylindrical vessel which is being rotated about a vertical axis through the centre of the circular base. If the radius of the vessel is r and angular velocity of rotation is ω ,
then the difference in the heights of the liquid at the centre of the vessel and the edge is. ,
In the figure, an ideal liquid flows through the tube, which is of uniform cross section. The liquid has velocities vA and vB, and pressure PA and PB at the points A and B respectively.
14
Sep
In the figure, an ideal liquid flows through the tube, which is of uniform cross section. The liquid has velocities vA and vB, and pressure PA and PB at the points A and B respectively. an ideal liquid flows through the tube and pressure PA and PB at the points A and B respectively. In [...]
The tube shown in figure is of uniform cross-section. Liquid flows through it at a constant speed in the direction shown by the arrows. The liquid exerts on the tube
14
Sep
The tube shown in figure is of uniform cross-section. Liquid flows through it at a constant speed in the direction shown by the arrows. The liquid exerts on the tube The tube shown in figure is of uniform cross-section. Liquid flows through it at a constant speed in the direction shown by the arrows. The [...]