The discharge pressure of a pump is 50 psig. What is the pressure in ( foot water) " ft w " ?
Note: psig means gage pressure in " psi " units.
1 psi= 2.3 ft w
The discharge pressure of a pump is 50 psig. What is the pressure in ( foot...
The water pump, as shown in the figure below, maintains a
pressure of 6.5 psig at point 1. There is a filter, a half-open
disk valve, and two regular screwed elbows. There are 80 ft of
4-inch diameter commercial steel pipe. For water, take ρ = 1.94
slug/ft3 and μ = 2.09E−5 slug/ft⋅s. Take kvalve ≈ 2.8, kelbow ≈
0.64, kexit ≈ 1, and kvalve ≈ 0 (when the disk valve wide open). If
the flow rate is 0.55 ft3/s,...
4. The discharge pressure gauge reading is 5 lb/in2 (psi) for the pumping system shown in the sketch below, with the outlet nozzle discharging a 2-inch diameter stream of water directly to the atmosphere. The gauge pressure at the pump suction inlet at the point of incipient cavitation is (-2,071.12) lb/ft, i.e., for vapor pressure of water at 68° F of 50.54 lb/ft2 absolute, and standard atmospheric pressure 30 in Hg. Friction losses in the suction piping from the reservoir...
2. Water is pumped from a reservoir at rate of 2 f?/sec. from a reservoir 20 ft above the pump to a free discharge at 90 above the pump as shown. The pressure at intake to pump is 5 psig and pressure at discharge side of the pump is 50 psig. All pipes are commercial steel and 6 inches in diameter. Find (a) the head supplied by the pump. (b) the total head loss between the pump and the point...
If a 30 cu. ft. volume of gas at 10 psig is compressed to a volume of 15 cu. ft. at a constant temperature, what will be the new pressure of the gas in psig? ( Remember to convert to absolute pressure and then back to psig)
The sketch shows a system used to spray polluted water into the air to increase the water's oxygen content and to cause volatile solvents in the 6. water to vaporize. The pressure at B of the nozzle must be 25 psig for proper nozzle performance. The pressure at point A (the pump inlet) is -3.5 psig. The volume flow rate is 0.5 ft3/s. The dynamic viscosity of the fluid is 4.0 x 10 Ib-s/ft?. The specific gravity of the fluid...
(Q1) The piping system shown here has a pump that delivers 10 hp to the fluid ant a flow rate of 55 gpm of water at 80 F. Neglecting other losses, (a) evaluate the friction losses in the 272 ft-long discharge pipe and in the 12 ft- long suction pipe. (b) Calculate the pressure (psig) on top of the discharge tank. ...(25 marks) an 7 1.5 in Schedule 80 pipe 220 2 in Schedule 80 pipe
3. Determine the gage pressure at the center of pipe A in both psi and kPa. ANSWER: PA-5.72 psig 4. The ratio of the container diameter to the tube diameter is 10. When air in the container is at atmospheric pressure, the free surface in the tube is at position 1. When the container is pressurized, the liquid in the tube moves 3.0 ft up the tube from position 1 to position 2. What is the container pressure that causes...
when a laboratory test was carried out on a pump, it was found that, for a pump total head of 36m at a discharge of 0.05cubic meters per second, cavitation began when the sum of the static pressure plus the velocity head at inlet was reduced to 3.5m. the atmospheric pressure was 750mmHg and the vapor pressure of water was 1.8kPa. if the pump is to operate at a location where atmospheric pressure is reduced to 620mmHg and the vapour...
Water is drawn into the pump, such that the pressure at the
inlet A is -45 kPa and the pressure at B is 110 kPa . The pipe has
a constant diameter of 100 mm. The discharge at B is 0.08 m3/s.
Take h = 2 m.
Determine the power output of the pump. Neglect friction
losses.
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2. What hp must be pump deliver to a fluid having a specific weight of 70.0lb/ft if energy losses of 4.5tb-ft/lb occur between points 1 and 2? The pump delivers 60 gal/min of fluic P2 50.0 psig 2-in Schedule 40 steel pipe 25n Flow Pump -2.30psig -in Schedule 40 steel pipe
2. What hp must be pump deliver to a fluid having a specific weight of 70.0lb/ft if energy losses of 4.5tb-ft/lb occur between points 1 and 2? The pump...