Problem 10.10 A hydraulic jack has a ranm diameter of 20 cm and pump plunger of 4 cmdiameter. The leverage for working the pump is 10. Calculate the velocity ratio of themachine. It is actually found 1that a force of 10 kN applied at the end of lever, lifts aweight of 2000 kN on the ram. Calculate the mechanical advantage and efficiency ofmachine

Answered: Image /qna-images/answer/1d3f6f49-6a7b-4a79-8c93-93a33ed9c826.jpg

Answered: Problem 10.10 A hydraulic jack has a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A centrifugal pump with a 3-inches diameter impeller rotating at 1150 rpm delivered 400 gpm of water 80ºF at 250 ft total head. Find the impeller diameter of a geometrically similar pump rotating at 1750 rpm delivering 500 gpm. What is the total head of the second pump.
An idelaized centrifugal pump, data given as follows; Blade outer radius of blade = 30 mm Power = 1 KW - Running speed = 1000 rpm Entry of liquid into the pump is axial and exit from the pump is radial with respect to impeller. Determine the mass fow rate of the liquid through the pump?
I need the answer as soon as possible
A centrifugal pump with peripheral speed V was selected for a total lift of 100 m. Actually pump was to be operated for a total lift of 400 m. The peripheral speed should actually be (other conditions remaining same)
7. Use the pump map attached, Suppose I want to pump water at 120 gpm against a head of 10 m. a. What size impeller should I use... note it is between two .. do I want the larger or the smaller and why. b. With this impeller, you can read the hp required and the pump efficiency.. report them. c. What input head is required (NPSH)? d. If I use the largest impeller at 120 gpm it should be clear I will generate extra "head" or pressure. What could I do to handle this extra head .. ie to not deliver too much pressure to my system?
Solve it correctly
In a pelton wheel, calculate the power available at the inlet and the hydraulic efficiency ofthe turbine. The wheel is having semi-circular buckets, which functions under a head of 150mand consumes 0.06 m3/s of water. The 750 mm diameter wheel turns 800 rpm. Assume thecoefficient of velocity as unity.
can you please find the solution
As a junior field engineer, you have been asked to assist a contractor in resolving the following problem. A 4.9 kW motor and gear drive rated at 175 rpm has been shipped with the four impeller blades listed below. The baffled rapid mix tank to which one of the impellers will be installed is 3.0 m² in volume (1.56 m diameter and 1.56 m depth). Assume water temperature of 10C, G= 1000s, water density = 1000 kg/m³, and motor power to water power transfer efficiency of 80%. Impeller options: A. Axial flow, 3 blades, diameter = 0.48 m, N₁-1.0 B. Axial flow, 3 blades, diameter = 0.61 m, Np=1.0 C. Radial flow, 6 blades, diameter = 0.48 m, Np=6.3 D. Radial flow, 6 blades, diameter = 0.61 m, Np 6.3 Answer the following: 3. What is the rotational speed (n) in rps? b. What is the power required in kW for impeller option A? What is the power required in kW for impeller option C? C. d. What is the power transferred to the water from the selected motor in kW? e. Which impeller should be used?…
A test on centrifugal pump operating at 3237 rpm showed a total head of 39 ft at a capacity of 900 gpm. Estimate the total head and capacity of the pump if it were operated at 1750 rpm. Assume normal operation at point of maximum efficiency in each case.
19. A centrifugal pump delivering 0 04 cumec of water to a height of 20 metres through a 10 cm diameter pipe 100 metres long. If the overall efficiency of the pump is 75% find the h.p. required to drive the pump. Take f 0'01. (51'83 hp)
An idelaized centrifugal pump, data given as follows; Blade outer radius of blade = 35 mm Power 2 KW Running speed = 2000 rpm Entry of liquid into the pump is axial and exit from the pump is radial with respect to impeller. Determine the mass fow rate of the liquid through the pump?

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