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In the equipment shown in Fig., a pump draws a solution (specific gravity 1.85) from a store tank through a 7.5 cm steel pipe in which the flow velocity is 1.0 m⁄s . The pump discharges through a 5 cm steel pipe to an overhead tank, the end of the discharge pipe is 15 m above the level of the solution in the feed tank, and the friction losses in the entire piping system are 5 m. What is the pressure difference in (in kPa) maintained across the pump? Take pump efficiency as 60 percent.
Correct answer is 'Range: 363 to 364'. Can you explain this answer?
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Verified Answer
In the equipment shown in Fig., a pump draws a solution (specific gra...
Let us consider 1 and 2 as the inlet and outlet of the pump. Applying Bernoulli’s equation between ① and ②
Considering negligible flow losses in the pump. hp represents the head supplied to the fluid by the pump.
As nothing is mentioned about relative elevation of the inlet an outlet, let us consider
By continuity equation
Thus to calculate p2 − p1 (i.e. the pressure difference across the pump, value of hp is required).
Therefore let us consider a, i.e. the top surface of oil in the reservoir and b which is just outside the exit of discharge point.
For steady state conditions any particle moves from a to b passing through the suction pipe, pump and the discharge pipe. ∴ Applying Bernoulli’s equation between a and b
hL represents head losses in the piping system. lies on the free surface of the liquid, which is exposed to the atmosphere, and from the same point, fluid particles start moving. ∴ Pa = 0
Va = 0
Also b is a point in a free liquid jet coming out from the discharge pipe.
Also yb - ya = 15 m
Hence,
P2 - P1 = 36387 Pa
or 363.807kPa
Most Upvoted Answer
In the equipment shown in Fig., a pump draws a solution (specific gra...
Let us consider 1 and 2 as the inlet and outlet of the pump. Applying Bernoulli’s equation between ① and ②
Considering negligible flow losses in the pump. hp represents the head supplied to the fluid by the pump.
As nothing is mentioned about relative elevation of the inlet an outlet, let us consider
By continuity equation
Thus to calculate p2 − p1 (i.e. the pressure difference across the pump, value of hp is required).
Therefore let us consider a, i.e. the top surface of oil in the reservoir and b which is just outside the exit of discharge point.
For steady state conditions any particle moves from a to b passing through the suction pipe, pump and the discharge pipe. ∴ Applying Bernoulli’s equation between a and b
hL represents head losses in the piping system. lies on the free surface of the liquid, which is exposed to the atmosphere, and from the same point, fluid particles start moving. ∴ Pa = 0
Va = 0
Also b is a point in a free liquid jet coming out from the discharge pipe.
Also yb - ya = 15 m
Hence,
P2 - P1 = 36387 Pa
or 363.807kPa
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In the equipment shown in Fig., a pump draws a solution (specific gravity 1.85) from a store tank through a 7.5 cm steel pipe in which the flow velocity is 1.0 m⁄s . The pump discharges through a 5 cm steel pipe to an overhead tank, the end of the discharge pipe is 15 m above the level of the solution in the feed tank, and the friction losses in the entire piping system are 5 m. What is the pressure difference in (in kPa) maintained across the pump? Take pump efficiency as 60 percent.Correct answer is 'Range: 363 to 364'. Can you explain this answer?
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In the equipment shown in Fig., a pump draws a solution (specific gravity 1.85) from a store tank through a 7.5 cm steel pipe in which the flow velocity is 1.0 m⁄s . The pump discharges through a 5 cm steel pipe to an overhead tank, the end of the discharge pipe is 15 m above the level of the solution in the feed tank, and the friction losses in the entire piping system are 5 m. What is the pressure difference in (in kPa) maintained across the pump? Take pump efficiency as 60 percent.Correct answer is 'Range: 363 to 364'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about In the equipment shown in Fig., a pump draws a solution (specific gravity 1.85) from a store tank through a 7.5 cm steel pipe in which the flow velocity is 1.0 m⁄s . The pump discharges through a 5 cm steel pipe to an overhead tank, the end of the discharge pipe is 15 m above the level of the solution in the feed tank, and the friction losses in the entire piping system are 5 m. What is the pressure difference in (in kPa) maintained across the pump? Take pump efficiency as 60 percent.Correct answer is 'Range: 363 to 364'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the equipment shown in Fig., a pump draws a solution (specific gravity 1.85) from a store tank through a 7.5 cm steel pipe in which the flow velocity is 1.0 m⁄s . The pump discharges through a 5 cm steel pipe to an overhead tank, the end of the discharge pipe is 15 m above the level of the solution in the feed tank, and the friction losses in the entire piping system are 5 m. What is the pressure difference in (in kPa) maintained across the pump? Take pump efficiency as 60 percent.Correct answer is 'Range: 363 to 364'. Can you explain this answer?.
In the equipment shown in Fig., a pump draws a solution (specific gravity 1.85) from a store tank through a 7.5 cm steel pipe in which the flow velocity is 1.0 m⁄s . The pump discharges through a 5 cm steel pipe to an overhead tank, the end of the discharge pipe is 15 m above the level of the solution in the feed tank, and the friction losses in the entire piping system are 5 m. What is the pressure difference in (in kPa) maintained across the pump? Take pump efficiency as 60 percent.Correct answer is 'Range: 363 to 364'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about In the equipment shown in Fig., a pump draws a solution (specific gravity 1.85) from a store tank through a 7.5 cm steel pipe in which the flow velocity is 1.0 m⁄s . The pump discharges through a 5 cm steel pipe to an overhead tank, the end of the discharge pipe is 15 m above the level of the solution in the feed tank, and the friction losses in the entire piping system are 5 m. What is the pressure difference in (in kPa) maintained across the pump? Take pump efficiency as 60 percent.Correct answer is 'Range: 363 to 364'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the equipment shown in Fig., a pump draws a solution (specific gravity 1.85) from a store tank through a 7.5 cm steel pipe in which the flow velocity is 1.0 m⁄s . The pump discharges through a 5 cm steel pipe to an overhead tank, the end of the discharge pipe is 15 m above the level of the solution in the feed tank, and the friction losses in the entire piping system are 5 m. What is the pressure difference in (in kPa) maintained across the pump? Take pump efficiency as 60 percent.Correct answer is 'Range: 363 to 364'. Can you explain this answer?.
Solutions for In the equipment shown in Fig., a pump draws a solution (specific gravity 1.85) from a store tank through a 7.5 cm steel pipe in which the flow velocity is 1.0 m⁄s . The pump discharges through a 5 cm steel pipe to an overhead tank, the end of the discharge pipe is 15 m above the level of the solution in the feed tank, and the friction losses in the entire piping system are 5 m. What is the pressure difference in (in kPa) maintained across the pump? Take pump efficiency as 60 percent.Correct answer is 'Range: 363 to 364'. Can you explain this answer? in English & in Hindi are available as part of our courses for Civil Engineering (CE).
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In the equipment shown in Fig., a pump draws a solution (specific gravity 1.85) from a store tank through a 7.5 cm steel pipe in which the flow velocity is 1.0 m⁄s . The pump discharges through a 5 cm steel pipe to an overhead tank, the end of the discharge pipe is 15 m above the level of the solution in the feed tank, and the friction losses in the entire piping system are 5 m. What is the pressure difference in (in kPa) maintained across the pump? Take pump efficiency as 60 percent.Correct answer is 'Range: 363 to 364'. Can you explain this answer?, a detailed solution for In the equipment shown in Fig., a pump draws a solution (specific gravity 1.85) from a store tank through a 7.5 cm steel pipe in which the flow velocity is 1.0 m⁄s . The pump discharges through a 5 cm steel pipe to an overhead tank, the end of the discharge pipe is 15 m above the level of the solution in the feed tank, and the friction losses in the entire piping system are 5 m. What is the pressure difference in (in kPa) maintained across the pump? Take pump efficiency as 60 percent.Correct answer is 'Range: 363 to 364'. Can you explain this answer? has been provided alongside types of In the equipment shown in Fig., a pump draws a solution (specific gravity 1.85) from a store tank through a 7.5 cm steel pipe in which the flow velocity is 1.0 m⁄s . The pump discharges through a 5 cm steel pipe to an overhead tank, the end of the discharge pipe is 15 m above the level of the solution in the feed tank, and the friction losses in the entire piping system are 5 m. What is the pressure difference in (in kPa) maintained across the pump? Take pump efficiency as 60 percent.Correct answer is 'Range: 363 to 364'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice In the equipment shown in Fig., a pump draws a solution (specific gravity 1.85) from a store tank through a 7.5 cm steel pipe in which the flow velocity is 1.0 m⁄s . The pump discharges through a 5 cm steel pipe to an overhead tank, the end of the discharge pipe is 15 m above the level of the solution in the feed tank, and the friction losses in the entire piping system are 5 m. What is the pressure difference in (in kPa) maintained across the pump? Take pump efficiency as 60 percent.Correct answer is 'Range: 363 to 364'. Can you explain this answer? tests, examples and also practice Civil Engineering (CE) tests.
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