A centrifugal pump is discharging 900 gpm and which operates at 1800 rpm against a head of 120 ft and maximum efficiency of 91%. If this pump is modified to operate at 1200 rpm, assuming its efficiency remains constant, determine its discharge, the theoretical head it imparts to the liquid and the power input to the pump.

Q: For a given pumping application, the required volume flow rate is 0.8 m²/s and a head of 12 m of…

A: Given that: Volume flow rate of a pump is 0.8 m3/s Head is 12 m Acceleration of gravity is 9.81 m/s2…

Q: The turbine of a micro-hydroelectric power plant delivers 65hp at 75% efficiency. If the effective…

A:

Q: A turbine is rated 620 hp when the flow of water through it is 22 ft3/s. Assuming an efficiency of…

A:

Q: A 3.5-hp pump delivers 1140 lbf of ethylene glycol at 20°C in 12 seconds, against a head of 17 ft.…

A: Calculate the efficiency of the pump in %.

Q: A centrifugal pump with a 733 mm diameter impeller runs at 1948 rpm. The water enters without whirl,…

A:

Q: A positive displacement pump has a capacity of 8 cm3 per revolution and runs at 1000 rpm. Its…

A: Given: N - 1000 rpm v - 8 cm3/rev nv - 0.89  K - 2.4 x 104 bar p - 1 bar/s V - 500 L To find :…

Q: Q1: The figure show a pump drawing water from a reservoir at point 1 and discharging it into another…

A: If any fluid  having density ρ , discharge of flow Q, and net available head is H, passes through a…

Q: A 70 cm diameter centrifugal pump which is dynamically similar to the tested pump tabulated above,…

A:

Q: Water with a specific heat of 1 BTU/lbm F is pumped using a 1-hp jet pump from a well that is 20 ft…

A: Given       Specific heat, C = 1 BTU / lbm           Flow rate, m = 5 gal/min…

Q: A centrifugal pump works against 10 m at 1000 rpm. varies are curved back at an angle of 30° to the…

A:

Q: A power plant requires 940 L/min of water. The required net head is 5 m at this flow rate. An…

A:

Q: The velocity of water is measured using an orifice meter (throat diameter = 0.06m) in a 0.31-m…

A: In this, it is asking for the answer for the second question only so we will provide the answer for…

Q: A pump is to deliver 80 galloons/min of water 60°C with discharge pressure of 1000 kPag. Suction…

A:

Q: At the Manapouri hydroelectric station on the South Island of New Zealand, water from Lake Manapouri…

A:

Q: A centrifugal pump is running at 1000 r.p.m. The outlet vane angle of the impeller is 30° and…

A:

Q: In centrifugal pumps, maximum efficiency is obtained when the blades are (A) Straight (B) Bent forw

A: Given: In centrifugal pumps, maximum efficiency is obtained when the blades are,

Q: A 20-KW motor with 80% efficiency drives a centrifugal pump delivery 0.08m3/sec against a head of…

A: Introduction The efficiency of the pump consequently, is never more than a hundred percent since…

Q: A 25 hp suction pump operating at 70.00% efficiency draws water from a suction line whose diameter…

A:

Q: A pump is designed to fill a pressurized tank rated at 1 MPa and a height of 23 m. Determine the…

A: The power requirement of the pump is 408.54 kW.

Q: A farmer owns an 8-hp engine. He wants to use it to pump water from a 50-ft deep shallow tube well…

A: To find: The size of the pump. Given: The power of the pump is P=8 hp550 lb.ft/s1 hp=4400 lb.ft/s.…

Q: A twin-engine jet aircraft is climbing at a 10 degree angle, measured from the vertical, at 260…

A:

Q: A centrifugal pump driven by a 120-kW motor rotating at 2400 rpm is used to pump 20°C water in a…

A:

Q: A pump with an impeller diameter of 0.02 m, an impeller speed of 58.3 rpm, a total capacity of 12…

A:

Q: A small centrifugal pump, when tested at N = 2875rpm with water, delivered Q = 252 gpm and H = 42…

A:

Q: A centrifugal fan is drawing air at 190 m3/h. The pressure difference between the intake and…

A: The fan efficiency is 15.35 %.

Q: A 12-in diameter pump rotating at 600 rpm develops a head of 500 ft. Determine the peripheral…

A:

Q: A turbine is discl ging 10 m³/s under a head of 22 m at 200 rpm. The efficiency is 90%. Determine…

A: Given that, Q1=10 m3/s, H1=22 m, N1=200 rpm, ηo=90 %=0.9, H2=44 m

Q: A 300 mm diameter pump rotating at 600 rpm develops a head of 150 m. Determine the peripheral…

A: Answer: The peripheral velocity factor for the pump is 0.1737.

Q: A reaction turbine has guide vanes at an angle of 30° and the runner blades make an angle of 80°…

A:

Q: A centrifugal pump pumps water at a flow rate of 7 m³/s to a height of 10 m. If the pump works at…

A: Flow rate (Q) = 7 m³/s,  Height (H) = 10 m, CQ=0.15 CH=6 CP=0.75.To find:Pump impeller diameter…

Q: A centrifugal pump is to extract water 40 meters below the pump centerline. Water is delivered to a…

A: Given: The head delivered by the pump, H = 5 meter The head below the pump, h = 40 m The diameter of…

Q: 1. A pump delivers 50 L/s of water and consumes 10HP of power by the pump system. Determine head…

A:

Q: Assume that friction in the suction line is negligible. Toluene @ 35C is pumped from an open…

A: Temperature of the Toluene, T=35oCDischarge tank pressure, P2=150 kPa=150*103 PaPump position from…

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.