A horizontal tube has different cross-sectional areas at point A and B .The diameter of A is 4 cm and that of Bis 2 cm. Two manometer limbs are attached at A and B. When a liquid of density 8.0 g `cm^(-3)` flows through the tube, the pressure difference between the limbs of the manometer is 8 cm. Calculate the rate of flow of the liquid in the tube .

The diameter of a horizontal tube at points A and B are 6 cm and 3 cm, respectively. Two manometer limbs are attached at A and B. When water is allowed to flow through the tube, pressure difference of 10 cm is noted between the limbs. Calculate the rate of flow of water in the tube.

The diameter of the throat of a venturimeter is 6 cm .when it is inserted in a horizontal pipe line of diameter 10 cm the pressure difference between the pipe and the thraot equal 8 cm of water . Calulate the rate of flow.

Two capillary tubes of equal length and inner radii 2r and 4r respectively are added in series and a liquid flows through it. If the pressure difference between the ends of the whole system is 8.5 cm of mercury, find the pressure difference between the ends of the first capillary tube.

The figure shown a pipe of uniform cross-section inclined in a vertical plane. A U-tube manometer is connected between the point A and B. If the liquid of density rho_(0) flows with velocity v_(0) in the pipe. Then the reading h of the manometer is

A pitot tube is fixed in a water pipe of diameter 14 cm and difference of pressure by the gauge is 20 cm of water column. Calculate the rate of flow of water.

The water flowing through the same tube having two different cross section areas has different flow rates .

A liquid rises to a height of 7.0 cm in a capillary tube of radius 0.1 mm. The density of the liquid is 0.8xx10^(3) "kgm"^(-3). If the angle of contact between the liquid and the surface of the tube zero , calculate the surface tension of the liquid Given g= 10 "ms"^(-2).

A horizontal tube has different cross sections at points A and B . The areas of cross section are a_(1) and a_(2) respectively, and pressures at these points are p_(1)=rhogh_(1) and p_(2)=rhogh_(2) where rho is the density of liquid flowing in the tube and h_(1) and h_(2) are heights of liquid columns in vertical tubes connected at A and B . If h_(1)-h_(2)=h , then the flow rate of the liquid in the horizontal tube is