Answered: The pump shown is 75% efficient. If the…

Engineering

Mechanical Engineering

The pump shown is 75% efficient. If the pressure rise is 120 psi, calculate the required energy input in horsepower.

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter39: Residential Energy Auditing

Section: Chapter Questions

Problem 7RQ: One Pascal (Pa) is equal to how many inches of water column (in. WC)?

See similar textbooks

Related questions

Q: through a horizontal duct of diameter 0.5 m with a velocity of 0.4 m/s. If the friction factor is…

Q: A submersible pump deliver 350 gpm of water to a height of 5ft from the ground. the pump was…

A: Given data: Q=350 gpm Need to determine the pump power.

Q: A pump is used to deliver 50 liters/sec at 120 rpm. If the rpm is increase to 140, determine the new…

Q: You work for the Marvellous Toy Company, who manufacture toy plastic figurines and dolls. State what…

A: In a toy company where the molten polymer is required to be pumped, we have to use a high power…

Q: If the piston and water (p = 62.4 Ibm/ft) are accelerated upward at a rate of 0.4g, what will be the…

A: Given dataa=0.4gρ=62.4 lbmft3Z=2ftTo find pressure

Q: horizontal pipe flowing full at the outlet. The resulting jet strikes the ground surface at a…

Q: Calculate the required pressure of the hydraulic pump to raise the fluid to the vertical high of 5 m…

Q: 4.77. Three hundred litres per second of liquid of weight density 8 kN/m' are flowing. Calculate the…

Q: Find the surface tension of the water jet of 38 mm diameter when the inside pressure is 4.5 N/m2 The…

A: Given Data: The diameter of the water jet is, d=38 mm=38 mm×m1000 mm=0.038 m. The pressure of water…

Q: A cylindrical tank of radius 5 ft and height 9 ft is two-thirds filled with a liquid of weight…

A: Given Radius, R = 5 ft Height, h = 9 ft Density = 62.4 lbs/ft3 Find Work required, W

Q: 1. The pressure in a hydraulic system has 120 bars and the engine power of 55.21 kw. Calculate the…

A: Answer: (1) The capacity of the pump to supply the system is 0.27605 m3/min. (2) The power of the…

Q: The pressure at the suction of the pump reads 6 psi vacuum, while at the discharge is 35 psi. The…

Q: A hydraulic pump has a flow rate of 12 gpm and is rated for a maximum pressure of 2000 psi. if the…

Q: the ratio of power output of the pump to the power input to the pump is known as

A: Pump efficiency,η=Power output of pumpPower input to pump where,Power output=ρgQHwhere,ρ=density of…

Q: The pump takes water from an open tank below the pump centerline. Determine the maximum static…

A: Write the given data. H=1500 ftPsat=0.69 psiav=0.01608 ft3/lb

Q: Determine the number of the impellers required for a multi stage pump to lift 4200 litres/minute…

A: We have, Total head, H=185 m, N=750 rpm, Ns=70 rpm Q=4200 litres/min=4200×10-360=0.07 m3/s

Q: A water jet impacting a conical surface (as shown). Find the force of water on the cone. V 50° V…

A: To determine the force acting on the conical surface.

Q: The pressure at the suction of the pump reads 8 psi vacuum, while at the discharge is 41 psi. The…

A: Write the given data. P1=-8 psi+14.7 psi=6.7 psia=46.2 kPaP2=41 psi+14.7 psi=55.7 psia=384…

Q: A PUMP DISCHARGE3S 50 TONS OF WATER PER HOUR TO HEIGHT OF 8 M. THE OVERALL EFFICIENCYOF THE SYSTEM…

Q: What size pump is needed to supply 10 gpm to a cylinder when the electric motor is rotating at 1725…

A: Given : V = 10gpm = 10 gallon per minute N = 1725 rpm = 1725 rev per minute

Q: A pump provides a pressure rise of 0.6 bar for a water flow rate of 34.0 litres per minute. If the…

Q: A centrifugal pump is designed for 1800 rpm and a head of 55 m. determine the speed if the impeller…

Q: Determine the mechanical efficiency of a centrifugal water pump which has an input of 3.6 Hp if the…

A: Given Input = 3.6 HP Suction size =8 inch discharge size =6 inch handles =150 gpm at 150oFSuction…

Q: A centrifugal pump with a 3-inches diameter impeller rotating at 1150 rpm delivered 400 gpm of…

A: Answer: (a) The impeller diameter of a geometrically similar pump is 2.8096 inch. (b) The total head…

Q: The graph shown provides the pump characteristics (performance) curves. There are two pumps in the…

A: For given characteristic curves for pump 1 and pump 2, When pumps will be connected in series, their…

Q: pump is installed in a pipe system, where at the suction side 1.0 m below the pump, an open…

A: P=20cm of Hg d=10cm Q=35L/s

Q: (d) The figure below shows the operation of a reciprocating positive displacement pump. Explain in…

A: Positive displacement pumps are the type of pumps that entrap a specific amount of fluid in one…

Q: The discharge of water through a pipe of diameter 40 cm is 400 litres/s. If the pipe is bend by…

A: vsin45° Draw a diagram for the problem. Here, 1 is the section of pipe before the bend, and 2 is…

Q: the head developed if the pump that has a capacity of Q1 and head H1 connected in parallel with…

A: When pumps are connected in series, the flow rate in all pumps is same , but total head by…

Q: a. the total dynamic head in meters b. the water power in kW c. the motor horsepower if the pump…

Q: Figure Q2 is a schematic of pump connected to the 80 mm diameter hose, if the average velocity of…

A: This question is solved with the help of bernoulli's equation. Using the Bernoulli's equation…

Q: A pump delivers 5000 gallons per minute of fluid with specific gravity of 0.9 at a head of 100ft.…

Q: Q2. Two centrifugal pumps are connected in series in a given pumping system. Plot total head Ah…

Q: A fan when driven by a 5.8 Hp motor at a speed of 800 rpm delivers 510 m3/min at a total pressure of…

Q: A centrifugal pump delivers 0.071 m3/s of water against a head of 7.6-m at 1450 rpm and requires 6.7…

A: Given Initial Speed, N1 = 1450 rpm Power, P1 = 6.7 kW Final Speed, N2 = 1200 rpm Find…

Q: For Questions 3 to 5 A certain centrifugal pump was tested and its performance curves can be…

A: To find: The efficiency of the pump. Given: The head is H=340-1.2Q2 ft. The Break power is…

Q: (d) The figure below shows the operation of a reciprocating positive displacement pump. Explain in…

A: Positive displacement pumps are typically employed in specialized applications such pumping…

Q: A hydraulic pump delivers 13.5 litres per minute towards pressure of 310 bar.Find the following…

A: Discharge through the pump, Q=13.5 Lit/min=13.5*10-360=2.25*10-4m3/s Pressure across pump, ∆P=310…

Q: The power 491 W is required to transmit 3 x 103 m2/s of water. Find the loss of head due to friction…

Q: centrifugal pump develops a head of 16.8 m at 1500 rpm. Rated capacity is 0.015 m3/s. Determine the…

Q: If the pressure in a tank is 348 kPa, find the equivalent pressure head (in meters) of a liquid…

A: To find: The equivalent pressure head (in meters) of a liquid having a specific gravity equal to…

Q: A tank (contains a fluid of density=1239.6 kg/m3) stands on a frictionless cart (The cart is fixed)…

Q: A hydraulic cylinder is to compress a vehicle body in 19.35 seconds,The operation requires a stroke…

Q: Given: diameter of pipe in point 1 = 3.9in diameter of pipe in point 2 = 2.5in specific gravity of…

A: Given data, Diameter of the pipe at point 1, d1 = 3.9 in Diameter of the pipe at point 2, d2 = 2.5…

Q: The pump in figure below draws water from a reservoir at point A. In the suction pipe an open…

Q: 3. How much work would it take to pump oil of weight density 35 lb/ft3 out of a spherical tank of…

Concept explainers

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.

Question

The pump shown is 75% efficient. If the pressure rise is 120 psi, calculate the required energy input in horsepower.

Wp
4 in. dia.
V = 120 ft/sec
2 in. dia.
Water

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step 5

Trending now

This is a popular solution!

Step by step

Solved in 5 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

r= 2.20 ft F has a mgnitude of 570 lb (F=570 lb)
= D cos(0) A camera on the left edge of a circular track of radius D 4 m tracks a particle as it travels around the circle. The polar equation of the path is given above. At the moment shown, the camera angle is = 30°, and the camera is rotating at 0.5 rad/s, which is accelerating at a rate : -0.1 rad/s². What is the velocity, acceleration, and rate of change of speed of the particle at that instant? =
Hydrostatic Force on a Plane/surface
A = 20 in.² Oil SG=0.86 A = 50 in.² 5 ft 0.8 ft SG = 2.5
11. The pressure of a boiler is 9.5 kg/sq. cm. The barometric pressure of the atmosphere is 768 mm of mercury. Find the absolute pressure in the boiler in kPa. a. 1,058 kPa c. 1,034 kPa b. 1,068 kPa d. 1,024 kPa
Convert 67degree celcius to rankine
QUESTION 1 What is the unit of density in the SI unit system? A. Kilogram per cubic metre (kg/m³) B. Kilogram (kg) C. Newton (N) OD. Cubic metre (m³) QUESTION 2 When using a PASCO force meter to calculate the buoyancy force, which safety measure is essential? ○ A. Increase the weight applied for more accurate readings. B. Submerge the force meter completely in water. ○ C. Ensure the force meter is securely attached to a stable surface. ○ D. Hold the force meter vertically with your hand.
The pressure 3 meters below the free surface of a liquid is 3.2 lb/in2. Whatis the specific gravity of the liquid? (Can you show the diagram or illustration if possible. Thank you!) a. 46 b. 0.75 c. 75 d. 0.11
Q2/ The equilateral lamina A B C is placed parallel to the H. P and having the following data A= (2, 1), B= (2, 1) left of A, The distance of projectors between A&B =4. Required: i) Draw; scale, 1:1, the ELEVATION & PLAN of the lamina. with ᵒii) Project a view on an AUXILIAR PLANE perpendicular to the V. P and making 50 H.P.
3. A differential manometer is connected to two pipes as shown in Fig. 2.31. The pipe A is containing water and the pipe B is containing an oil of specific gravity 0.8. Find the difference of mercury levels, the pressure difference in the two pipes be 80 kPa. [Ans. 426 mm] Water- 3.5 m B To Fig. 2.31. Fluid Pressure and its Measurement 37 300 Fig. 2.32. -Oil of sp. gr. 0.8 Copyrighted materia B
4. A certain gasoline weighs 45.6 lb/ft3. What are its mass density, specific volume and specific gravity? (3 DECIMAL IN FINAL ANSWER PLS!!)
39. The mass of fluid is 0.311slug, its density is 30lb/ft³ and g = 32.2 ft/s². Find the total volume of the fluid. a. 698.7859in³ b. 524.0894in3 c. 576.8179in³ d. 688.1011in³