In: Other

The NPSH of pump of water piping system of low section loss of
z1=5 m, P1=0 atm gauge, is about

**Step 1:-**

**The Bernoulli's equation is as follows,**

**Step
2:-**

**Taking Bernoulli's Equation between points 1 and 2 in
the figure below,**

The piping system that delivers water to the second floor of
your house, at an elevation of 16 feet from the ground, consists of
22 feet of 0.75" ID (ID = Internal Diameter) pipe followed by 16
feet of 0.5" ID pipe. Calculate the minimum pressure
required at the beginning of the piping system, located on ground
level, for delivering water with a flowrate of 2.7 gallons per
minute at atmospheric pressure on the second floor. Consider only
losses at...

A pump is used to circulate hot water in a home heating system.
Water enters the well-insulated pump operating at steady state at a
rate of 0.42 gal/min. The inlet pressure and temperature are 14.7
lbf/in.2, and 180°F, respectively; at the exit the
pressure is 90 lbf/in.2 The pump requires 1/35 hp of
power input. Water can be modeled as an incompressible substance
with constant density of 60.58 lb/ft3 and constant
specific heat of 1 Btu/lb · °R.
Neglecting kinetic...

Example 3.7: A commercial steel piping system is delivering
water at 30°C from pressurized tank A to pressurised tank B as
shown in figure below. The internal diameter of the pipe is 2.25
cm. The piping system has a well rounded inlet, 1/4 open gate
valve, four 90° flanged bend, two 90° miter bend (with vane) and a
sharp exit. The total pipe length is 300 m. Gauge pressure at tank
A is 500 bar. If the elevation difference, h...

1)
concepts of water flow in piping system?
2) concepts of energy equation Bernonlli equation?
3) concepts of energy head losses?
4) concepts of energy equation momentum?
I hope not written in handwriting?

A pump storage facility takes water from a river at night when
demand is low and pumps it to a hilltop reservoir 500 ft above the
river. The water is returned through turbines in the daytime to
help meet peak demand. (a) For a single 30-inch pipe, 2,500 ft long
and carrying 20,000 gaVmin, what pumping power is needed if the
pump efficiency is 85 percent? The friction loss is estimated to be
15 ft of water. (b) How much...

A pump must suck a well as deep as 20 m, water temperature 25 °
C, how the arrangement puts the pump depth so that water can be
pumped perfectly, count and use the required table

Assuming a cost of AED 1.5/Liter to pump and distribute water in
a municipal supply system that loses (P) of its water because of
leaks, how much money is wasted annually for a city of (X) million
people with a per capita demand of 300 Liters/day?
where, X = 21.0 millions P = 2%

A water trough is 8 m long and has a cross-section in the shape
of an isosceles trapezoid that is 30 cm wide at the bottom, 80 cm
wide at the top, and has height 50 cm. If the trough is being
filled with water at the rate of 0.1 m3/min how fast is
the water level rising when the water is 40 cm deep?

A water trough is 8 m long and has a cross-section in the shape
of an isosceles trapezoid that is 30 cm wide at the bottom, 70 cm
wide at the top, and has height 40 cm. If the trough is being
filled with water at the rate of 0.3 m3/min how fast is
the water level rising when the water is 20 cm deep?

Losses are uniformly distributed on [0, m]. The insurer pays the
amount of loss after a deductible of m/5.There is a 60% chance that
the insurer pays at least 200. Find the probability that the
insurer pays at least 500.

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