A garden hose attached with a nozzle is used to fill a 20 Liters bucket. The inner diameter of the hose is d hose=8 cm, and it reduces to d nozzle3D6.84 cm at the nozzle exit. If it takes 50 seconds to fill the bucket with water, determine average velocity m/s of water at the nozzle exit. Nozzle Garden Bucket hose

A pipe of diameter 11 cm conveying 200 liters/s of water has bend of angle (θ = 90⁰if last digit is zero/even and θ = 0⁰ if last digit is odd) through horizontal plane. Find theresultant force exerted on the bend if the pressure at the inlet and outlet of the bend are 15N/cm2 and 10 N/cm2respectively.

While filling up your car with gasoline, you notice that it takes 3 minutes to dispense 55 liters of gasoline through the 2.5 cm diameter hose.  What is the average speed, in m/s, of the gasoline inside the hose?

In a horizontal pipe water flows at a rate of 9.1 L/s. Here, the pipe has two sections, one with a diameter of 10.16 cm and the other with a diameter of 5.08 cm, with a gradual smooth reducing section. In this case, a mercury manometer is used to measure the pressure difference. If friction is negligible how would I find the differential height of mercury between the two sections? If the manometer on the 5.08cm pipe section was replaced with a pitot tube how would the reading change? any help would be deeply appreciated