Answered: Long sweep elbow ource 8 Standard elbow…

Engineering

Mechanical Engineering

Long sweep elbow ource 8 Standard elbow Pump Foot valve & strainer Standard elbow B Discharge reservoir z = z¸+z

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

Chapter8: Leak Detection, System Evacuation, And System Cleanup

Section: Chapter Questions

Problem 2RQ: Name and briefly describe the six classes of leaks.

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Question

A pump delivering 230 lps of water at 30C has a 300-mm diameter suction pipe and a 254-mm diameter discharge pipe as shown in the figure. The suction pipe is 3.5 m long and the discharge pipe is 23 m long, both pipe's materials are cast iron. The water is delivered 16m above the intake water level. Considering head losses in fittings, valves, and major head loss. a) Find the total dynamic head which the pump must supply. b)It the pump mechanical efficiency is 68%, and the motor efficiency is 90%, determine the power rating of the motor in hp.
given that: summation of K
gate valve = 0.25
check valve=3
90 degree elbow= 0.75
foot valve= 0.78

Long sweep
elbow
ource 8
Standard
elbow
Pump
Foot valve & strainer
Standard elbow
B
Discharge
reservoir
z = z¸+z

Branch of science that deals with the stationary and moving bodies under the influence of forces.

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