is used to pump brine whose density is 1,158 kg/m3 at a rate of 0.37 m3/s from a depth of 344 m. By considering the efficiency of a pump device and taking the pump efficiency as 81 percent, determine the required power (kW) input to the pump to 1 decimal place. Disregard frictional losses in the pipes, assume that

Q: A pump takes water at 60°F from a large reservoir and delivers it to the bottom of an open elevated…

A: (i) To find: The datum ZZ2-Z1. Calculation: The image shown below: Here, point a is at the datum…

Q: Wind blows steadily at 7 m/s into the blades of a wind turbine. Compute the actual electric power…

A: Given data,  V= 7m/s  D= 80 m  So area A = π*802/4 = 5026.55 m2  R= 1.25 kg/m3  n= 30% = 0.3

Q: The water is flowing through pipe of varying section 1 & 2 with a diameter of 12 cm and 23 cm…

A:

Q: A pump discharges a liquid into a drum at the rate of 0.032 m³/s. The drum, 1.50 m in diameter and…

A: As given in question, Volumetric flow rate into the drum = Q = 0.032 m3/s Diameter of drum = d = 1.5…

Q: A reciprocating compressor draws in 500 cubic feet per minute of air whose density is 0.079 lbm/cu…

A: Given Data: The volumetric flow rate of air, V=500 ft3/min Change in internal energy, ∆U=33.8…

Q: 6.    The velocity in a 2-cm diameter pipe is 20 m/s. If the pipe enlarges to 5-cm in diameter, the…

A:

Q: The compressor work of an air compressor is 100 KW. If the piston speed is 15 m³/sec, determine the…

A: Given: compressor work, W = 100 KW piston speed (VD) = 15 m3/sec To find:  mean effective pressure…

Q: 4. The atmospheric condition of an area is 101.325 kPa and 21 C. A 6m diameter windmill is installed…

A: Given: v = 20 m/s P = 101.325 kPa T = 21 C

Q: A pump discharges a liquid into a tank at the rate of 0.032 m³/s. The tank, 1.5 m in diameter and…

A: Discharge-

Q: An air compressor takes in air at 128 kPa at the rate of 0.87 m^3/sec, and discharge 685 kPa.…

A: Calculated power of compressor in kW.

Q: pump rated at 500 W is made to transfer water from an open tank at ground level, to another open…

A: Given:Pr=500 Wh=18 mm=2.6 kg/s

Q: The system curve follows the equation: hp = 115.2 + 0.086Q2, in which the pump head is in ft, and…

A: Here we will apply general definition of pump efficiency

Q: . An oil pump is drawing 40 kW of electric power while pumping oil with p = 850 kg/m³ at a rate of…

A: In this problem, we will calculate the pump's mechanical efficiency, which requires us to first…

Q: On a hot summer day, the air in a well-sealed room is circulated by a 55 W fan (Note that the motor…

A: Write the net shaft power.   Pshaft=55 W   Write the density of the air.   ρ=1.15 kg/m3   Write the…

Q: A liquid of specific gravity 1.75 flows in 6 cm horizontal pipe. The total energy at a certain point…

A: Given:Specific gravity of liquid,s=1.75So,density of liquid=(1000×1.75)Kgm3=1750Kgm3Total…

Q: A closed system undergoes a process during which the system total energy is conserved. During the…

A:

Q: The water is flowing through pipe of varying section 1 & 2 with a diameter of 11 cm and 24 cm…

A: Given data:

Q: A water pump delivers 6 hp of shaft power when operating. If the pressure differential between the…

A: The given information in the problem is listed down in the following attached image:

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:- Head(H) = 20 m Discharge(Q) = 70 L/sec Electric power = 20.4 k

Q: In the factory where you work, there is a system like the one below, where you have two tanks at…

A: Given: To find: Volumetric flow rate

Q: when operating. If the pressure differential between the outlet and the inlet of the pump is…

A: Given:  Power developed by the pump, P=6 hp Pressure difference, p=1.2 psi Flow rate, Q=15 ft^3/s

Q: You are designing a new engine; this device operates with liquid fuel as an input and generates…

A: Given variables are: Power (P) Density (ρ) Pressure (p) Energy (E) The units and the dimensional…

Q: Seventy kilojoules of work is done by each kilogram of fluid passing through an apparatus under…

A: GIVEN DATA -

Q: A pump extracted water 60 meters below the ground and discharge to a tank 5 meters above the ground.…

A: Given data:

Q: A pump continuously supplies water to an open tank for 12 hours daily. If the theoretical horsepower…

A: The given values are - Ptheoretical=4 hp, Electricity consumption=4.5Php/kWhη=0.65 The actual power…

Q: A cliff diver with a mass of 175 lbm dives from a 20 foot cliff into the sea. The initial velocity…

A: Given:m=175 lbmH=20 footinitial velocity,u=5 ft/sg=32.2 ft/s2a) Let h be the height of the diver…

Q: 2. Electric power is to be generated in a hydroelectric power plant that receives water at a rate of…

A: Since the question containes multiple questions. I am answering one question only so, for remaining…

Q: An electric motor is used to drive the shaft of a small water pump. During a performance test, the…

A: Given data,  Torque T= 5.014 N.m  Power P= 638.52 W  Need to calculate N

Q: In a hydraulic system the overall efficiency is the ratio of cylinder output power divided by motor…

A:

Q: 2. What is the net-Work (Wne) of a 1000-kg car travelling at 30 m/s and reducing its speed to 10…

A:

Q: A fluid of specific density 0.8 is flowing through a m diameter pipe with a velocity of 2 m/s. The…

A: Givenspecific density=0.8Diad=0.2mso area A=π4×d2A=π4×0.22A=0.0314m2v=2m/s

Q: Air flows through a pipe at a flow rate of 100L/s. At the entrance, the diameter of the pipe is 10cm…

A: The velocity of the air at the inlet pipe is

Q: A certain system dissipates 250 BTU of heat to the surroundings. If the increase in internal energy…

A:

Q: 2- 8 Air flows at a speed of 6.5 m/s through a pipe with a diameter of 25 cm and a length of 30 m.…

A: To find: The total head loss in this pipe. Given: The velocity of air is v=6.5 msec. The diameter of…

Q: box has a mass of 8.3 kg. The box is lifted from the garage floor and placed on a shelf. If the box…

A: Mass of the box (m)=8.3 kg Potential Energy gained by the box (PE)= 282 J Acceleration due to…

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.