The internal diameters of the horizontal pipe shown in the figure are 2.50 cm in both extremes. A stream of water runs to the right at a rate of 1.80 x 10-4 m3/s. Determine the internal diameter of the pipe reduction if the liquid level drops 5.00cm at that point.

A horizontal pipe line has different area of cross-section at two points P1 and P2. The diameter at P1 is 0.015m and at P2 is 0.005m. The difference of pressure between P1 and P2 is 0.3m of liquid column. Calculate the rate of flow of water and volume of liquid flowing through the pipe in 10s.

Water flows through the vertical pipe such that when it is at A, it is subjected to a pressure of 150 kPa and a velocity of 3 m/s. Determine the velocity and pressure at B as a function of the pipe diameter d. Plot the pressure and velocity versus the diameter for the range of values 25mm ≤ d ≤ 100 mm with a step of 25 mm increment. C -100 mm

Fluid with the viscosity of 5X10-4 m2/s, is flowing in a pipe with the diameter of 35 cm and velocity of 2.5 cm/s. Calculate the head loss (m) for 100 m of the pipe

A water line with an internal radius of 6.89 x 103 m is connected to a shower head that has 12 holes. The speed of the water in the line is 0.982 m/s. (a) What is the volume flow rate in the line? (b) At what speed does the water leave one of the holes (effective hole radius = 3.14 x 104 m) in the head? (a) Number i (b) Number i Units Units

rn=0.17 cm (nozzle radius)rh=0.95 cm (garden hose radius)Q=0.65 L/s (flow rate through the hose) Calculate the maximum height to which water could be squirted with the hose if it emerges from the nozzle in meters.

Water is moving at a velocity of 2.50 m/s through a hose with an internal diameter of 1.60 cm.   (a) What is the flow rate in liters per second?   (b) The fluid velocity in this hose's nozzle is 14.0 m/s. What is the nozzle's inside diameter (in cm)?

(a) The pressure inside an alveolus with a 2.00×10-4-m radius is 1.40×103  Pa , due to its fluid-lined walls.  Assuming the alveolus acts like a spherical bubble, what is the surface tension of the fluid? (b) Identify the likely fluid.

What is the pressure at the bottom of a 5 m tall column of fluid with atmospheric pressure 101 kPa on the top surface if the fluid is water at 20◦C?

Water is flowing in the pipe shown in the figure below, with the 8.10-cm diameter at point 1 tapering to 3.05 cm at point 2, located y = 11.0 cm below point 1. The water pressure at point 1 is 3.20 x 104 Pa and decreases by 50% at point 2. Assume steady, ideal flow. What is the speed of the water at the following points? (a) point 1 (b) point 2 m/s m/s