A centrifugal pump is required to handle 50 lit/sec of gasoline against a net pressure of 4 kg/cm², Determine the head in m of liquid and the HP required by the pump, if its overall efficiency is 62%. Take the specific gravity of gasoline as 0.7. (57 and 43)
A centrifugal pump is required to handle 50 lit/sec of gasoline against a net pressure of 4 kg/cm², Determine the head in m of liquid and the HP required by the pump, if its overall efficiency is 62%. Take the specific gravity of gasoline as 0.7. (57 and 43)
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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Question
![A centrifugal pump is required to handle 50 lit/sec of gasoline against a
net pressure of 4 kg/cm², Determine the head in m of liquid and the HP
required by the pump, if its overall efficiency is 62%. Take the specific
gravity of gasoline as 0.7. (57 and 43)
A centrifugal pump draws water from a sump through a vertical 15 cm
pipe. The pump has a horizontal discharge pipe 10 cm diameter which is
3.5 m above water level in the sump. While pumping 35 lit/sec, gauges
near the pump at entrance and discharge read
kg/cm respectively. The discharge gauge is 0.5 m above the suction
gauge. Determine the horsepower output of the pump.
0.35 kg/cm and+1.8
(10.82)
- To p. edict the performance of a loge centrifugal pump, its model, having
р.
the following specification, was made:
P=24 IIP H=8 m N=925 rpm
Diameter of model pump impeller is 9 times smaller than that of the
prototype. The prototype pump has to work against a head of 30 m. Find
its working speed and HP required to drive it. Determine also the rate of
flow of both the pumps. (35.2 m/ sec, 134 rpm, 14,100 HP)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F12a568b6-6b64-4a7e-83de-c87231630fbc%2F36a698cc-279d-42b1-b158-6d4a86f06fc7%2Fw3ycwmj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A centrifugal pump is required to handle 50 lit/sec of gasoline against a
net pressure of 4 kg/cm², Determine the head in m of liquid and the HP
required by the pump, if its overall efficiency is 62%. Take the specific
gravity of gasoline as 0.7. (57 and 43)
A centrifugal pump draws water from a sump through a vertical 15 cm
pipe. The pump has a horizontal discharge pipe 10 cm diameter which is
3.5 m above water level in the sump. While pumping 35 lit/sec, gauges
near the pump at entrance and discharge read
kg/cm respectively. The discharge gauge is 0.5 m above the suction
gauge. Determine the horsepower output of the pump.
0.35 kg/cm and+1.8
(10.82)
- To p. edict the performance of a loge centrifugal pump, its model, having
р.
the following specification, was made:
P=24 IIP H=8 m N=925 rpm
Diameter of model pump impeller is 9 times smaller than that of the
prototype. The prototype pump has to work against a head of 30 m. Find
its working speed and HP required to drive it. Determine also the rate of
flow of both the pumps. (35.2 m/ sec, 134 rpm, 14,100 HP)
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