Water | 50 L/s 300 kPa 2) "motor = 90% Motor 15 kW pump 100 kPa

Q: 2. At a certain location, wind is blowing steadily at 10 m/s. Determine the mechanical energy of air…

A: iven: v = 10 m/s density = 1.25 kg/m3 diameter = 60 m

Q: Inside of a room, the atmospheric pressure measures out to be 100 kPa. A pipe with a diameter of 0.5…

A:

Q: An 80-percent-efficient pump with a power input of 20 hp is pumping water from a lake to a nearby…

A: The power supplied by the pump to the fluid is

Q: A hydraulic turbine generator was installed at a site 101 m below the free surface of a large water…

A: Given Data: The mass flow rate of water, m=859 kg/s Mechanical power, 800 kW Electrical power, 779…

Q: A 0.75-m3 rigid tank initially contains air whose density is 1.18 kg/m^3. The tank is connected to a…

A: Given:- V=0.75m3 ρ1=1.18 kg/m3 ρ2=4.95 kg/m3 To find:- Mass of air entered in tank(mair)=?

Q: The power required to transmit 8 x 10-3 m3/s of a liquid that has a head loss of 10 m is 470 W.…

A: Given: Flow rate of the liquid is  8 x 10-3 m3/s. Head loss is 10 m . Power is 470 W.

Q: A submersible pump with a shaft power of 10 kW and an efficiency of 80 percent is used to pump water…

A: As per given question we have  determine the discharge rate of water and the pressure difference…

Q: What is the hydraulic grade line? How does it differ from the energy grade line? Under what…

A: Hydraulic grade line : As we know there are three loads in the Bernoulli’s equation we consider : 1.…

Q: Water flowing through a pipe at a rate of 70 liter/sec having diameters 600 mm and 400 mm at the…

A:

Q: Water is pumped from a lake to a storage tank 15 m above at a rate of 70 L/s while consuming 15.4 kW…

A: The electric power supplied to the pump is The power supplied to the water by the pump can be…

Q: A 73-percent efficient 12-hp pump is pumping water from a lake to a nearby pool at a rate of 1.2…

A: The useful pumping power and the corresponding pumping head; Pumping head:

Q: The pump of a water distribution system is powered by a 15-kW electric motor whose efficiency is 90…

A: Given that → Power inputW.=15 kW                    nmotor=0.9                    V.=50LS=50x10-3…

Q: Water enters a hydraulic turbine through a 30-cm-diameter pipe at a rate of 0.7 m3/s and exits…

A: The given data is shown in the following attached image:

Q: The water behind Hoover Dam in Nevada is 206 m higher than the Colorado River below it. At what rate…

A: Given: The efficiency of the hydraulic turbine is ηT=1 The height of the dam from the river is H=206…

Q: 2. At a certain location, wind is blowing steadily at 10 m/s. Determine the mechanical energy of air…

A:

Q: (a) The water in a large lake is to be used to generate electricity by the installation of a…

A:

Q: A wind turbine is rotating at 15 rpm under steady winds flowing through the turbine at a rate of…

A: Given: The speed of wind turbine, N = 15 rpm The mass flow rate of wind, m = 42000 kg/s The tip…

Q: Water flows at a rate of 0.040 m3/s in a horizontal pipe whose diameter is reduced from 15 cm to 8…

A: Calculate the initial flow velocity at 15 cm pipe diameter. v1=Qπd12 Here, v1 is the initial flow…

Q: The water in a large lake is to be used to generate electricity by the installation of a hydraulic…

A: Given data as per question Depth of water =50 m Water flow rate = 5000kg/s Power generated = 1862 kw…

Q: A 15-hp (shaft) pump is used to raise water to a 42-m higher elevation. If the mechanical efficiency…

A: Given: The pump power, P = 15 hp The height h = 42 m The mechanical efficiency = 0.82

Q: A pump draws 20 kW of electrical power while pumping oil with a density of 780 kg/m^3 at a flow rate…

A: electric power = 20 kW Density = 780 kg/m^3  Flow rate = 0.3 m3/s Inlet diameter = 7 cm Outlet…

Q: Consider a river flowing toward a lake at an average speed of 3 m/s at a rate of 500 m3/s at a…

A: Given: The average speed of the river is v=3 m/s. The rate of the flow of the river is V=500 m3/s.…

Q: Electric power is to be generated by installing a hydraulic turbine-generator at a site H m below…

A: Mass flow rate of water, m˙=900 kg/s Mechanical power output of Turbine, PT=800 kW Electric power…

Q: 5-86 Water is pumped from a lower reservoir to a higher reservoir by a pump that provides 23 kW of…

A:

Q: A hydraulic turbine is used to generate power by using water in a dam. The elevation difference…

A:

Q: A submersible pump with a shaft power of 5 kW and an efficiency of 72 percent is used to pump water…

A: Given data as per the question Shaft power of submersible pump =5 KW Efficiency = 72% Height of free…

Q: Underground water is being pumped into a pool whose cross section is 3 m × 4 m while water is…

A: Given: The length of the pool is l=3 m. The width of the pool is w=4 m. The average velocity of the…

Q: When water is pumped into a water tank 20 m above a lake with a flow rate of 70 l/s, 20.4kW of…

A: Given data :- Flow rate = 70 l/sec Head = 20 m Electrical power = 20.4 kw

Q: An automobile moving through the air causes the air velocity (measured with respect to the car) to…

A:

Q: A fireboat is to fight fires at coastal areas by drawing seawater with a density of 1030 kg/m3…

A: To find the shaft power input to the pump and discharge velocity of water Firstly to find the…

Q: A hydraulic turbine is used to generate power by using the water in a dam. The elevation difference…

A: Given data: Hydraulic turbine used to generate power in hydroelectric power station Net head (H)…

Q: 4. At a certain location, wind is blowing steadily at 10 m/s. Determine the mechanical energy of air…

A:

Q: The ventilating fan of the bathroom of a building has a volume flow rate of 30 L/s and runs…

A: Given Data Volume flow rate=30 l/s = 30*10-3 m3/s Density=1.2 kg/m3

Q: An 80-percent-efficient pump with a power input of 30 hp is pumping water from a lake to a nearby…

A:

Q: A glycerin pump is powered by a 5-kW electric motor. The pressure differential between the outlet…

A: Given: The power of electric motor is P=5 kW. The pressure difference between the outlet and the…

Q: Q2// Water enters a hydraulic turbine through a 26 cm diameter pipe at a rate of 1.2 m^3/s and exits…

A: Given data: The diameter of the inlet pipe, d1 = 26 cm. The diameter of the exit pipe, d2 = 21 cm.…

Q: Water flows at a rate of 0.035 m3/s in a horizontal pipe whose diameter is reduced from 15 cm to 8…

A: Given   Diameter, D = 15 cm                  d = 8 cm Flow rate, Q = 0.035 m3/s Find   Head loss, h

Q: In a hydroelectric power plant, water flows from an elevation of 400 ft to a turbine, where electric…

A: Given: Total head = 400 ft Head loss = 36 ft Net head = 400 - 36 = 364 ft                 =110.95 m

Q: A hydraulic turbine is used to generate power by using water in a dam. The elevation difference…

A:

Q: A wind turbine has a blade length of 20 m. In a given day, average speed of wind for 4 hours is 7…

A:

Q: Electric power is to be generated by installing a hydraulic turbine—generator at a site 120 m below…

A: Given Data Electric power generation is 770 kW. Mechanical power output of the turbine is 850 kW.…

Q: Air flows through a pipe at a rate of 120 L/s. The pipe consists of two sections of diameters 22 cm…

A:

Q: Water is being pumped from a large lake to a reservoir 25 m above at a rate of 25 L/s by a 10-kW…

A: Given     Gross head, HG = 25 m          Head loss, h = 5 m          Net head, H = 25 - 5 = 20 m…

Q: A pump rated at 1800 W is used to transfer water from an open tank to another open tank. The…

A: To Find : The efficiency of the pump. Given :  The power input to the pump Pin=1800 W. The height…

Q: A pump is used to increase the pressure of water from 100 kPa to 900 kPa at a rate of 160 L/min. If…

A: given:p1=100kpap2=900kpaQ=160l/minP=3KWefficiency of the pump η

Q: A hydraulic turbine is used to generate power by using water in a dam. The elevation difference…

A:

Q: A fan is to be selected to ventilate a bathroom whose dimensions are 2 m × 3 m × 3 m. The air…

A: Volume of the bathroom is v=2 m×3 m×3 m=18 m3 Volumetric flow rate through the casing is…

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.