Related InterviewSolutions

• A metal sphere of radius 1 mm falls vertically in glycerine Find the viscous force exerted by the glycerine on the sphere when the speed of the sphere is `1cm^(-1)` For glycerine . `eta=8.0 `poise .
• A pitot tube dipped in a river and its gauge indicates 5cm of water column .What is the velocity of flow of water in the river?
• An air bubble of diameter 2 cm is allowed to rise through a long cylindrical columu of viscous liquid and travels at the rate of 0.21 `cms^(-1)` If the density of the liquid is 1.47`g cm^(-3)` find the cofficient of vicosity .Given `g=9.8ms^(-2)` Density of air is to be neglecteed .
• At what speed the velocity head of a stream of water be equal to 40 cm of Hg
• Alcohol flows through two capillary tubes under a constant pressure head the diameters of the two tubes are in the ratio of `4:1` and the lengths are in the ratio `4:1` Compare the rates of flow of alcohols through the two tubes .
• In normal adult the average speed of the though the aorta (which has a radius of 0.9 cm) is `0.33ms^(-1)` From the aorta ,the blood goes into major arteries which are 30 in number ,each of radius 0.5 Calculate the speed of blood through the arteries.
• Velocity of flow of water in a horizontal pipe is `4.9 ms^(-1)` Find the velocity heat of water.
• A pipe is running full of water. At a certain point `A` it tapers from `60 cm` diameter to `20 cm` diameter at `B`. The pressure difference between `A` and `B` is `100 cm` of water column. Find the rate of flow of water through the pipe.
• A garden hose having an internal diameter 2.0 cm is connected to a lawn sprinkle that consists of an enclosure with 24 holes , each 0.125 cm in diameter. If water in the hose has a speed of `90.0 cm s^(-1)` , find the speed of the water having the sprinkler hole.
• The difference of height between the two limbs of a manometer connected at the ends of 20 cm long tube of 1 mm radius is 28 cm If 8 cm `8cm^(3)` of water is collected in 3 minutes ,calculate the coefficient of viscosity .