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In a 0.18 m, 250 m long horizontal pipe a lubricating oil of specific gravity 0.9 and dynamic viscosity 0.15 Pa-s is pumped at the rate of 0.04 m3/s. The power required to maintain the flow (in KW) is?
  • a)
    23.23
  • b)
    2.326
  • c)
    88.3
  • d)
    63.56
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
In a 0.18 m, 250 m long horizontal pipe a lubricating oil of specific...
Given,
Length of pipe, L = 250 m
Diameter of pipe, D = 0.18 m
Dynamic viscosity μ = 0.15 m3/s
Flow rate, Q = 0.04 m3/s
The pressure drop in pipe is given by
Vavg = Q/A = 4 × 0.04/π × 0.182 = 1.57 m/s
∆P = = 58148.15 N/m2
The power required to maintain the flow,
P = Q ×∆P = 0.04 × 58148.15 = 2325.926 W = 2.326 KW
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In a 0.18 m, 250 m long horizontal pipe a lubricating oil of specific gravity 0.9 and dynamic viscosity 0.15 Pa-s is pumped at the rate of 0.04 m3/s. The power required to maintain the flow (in KW) is?a)23.23b)2.326c)88.3d)63.56Correct answer is option 'B'. Can you explain this answer?
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In a 0.18 m, 250 m long horizontal pipe a lubricating oil of specific gravity 0.9 and dynamic viscosity 0.15 Pa-s is pumped at the rate of 0.04 m3/s. The power required to maintain the flow (in KW) is?a)23.23b)2.326c)88.3d)63.56Correct answer is option 'B'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about In a 0.18 m, 250 m long horizontal pipe a lubricating oil of specific gravity 0.9 and dynamic viscosity 0.15 Pa-s is pumped at the rate of 0.04 m3/s. The power required to maintain the flow (in KW) is?a)23.23b)2.326c)88.3d)63.56Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a 0.18 m, 250 m long horizontal pipe a lubricating oil of specific gravity 0.9 and dynamic viscosity 0.15 Pa-s is pumped at the rate of 0.04 m3/s. The power required to maintain the flow (in KW) is?a)23.23b)2.326c)88.3d)63.56Correct answer is option 'B'. Can you explain this answer?.
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