9.
250kg of water per minute is to be drawn from a well 150m deep. An electric pump of
can be used. (g = 10m/s)
(1) 6 horse power
(2)
7 horse power
(3)
8 horse power
(4)
9 horse power.
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Answer:
Explanation:therla
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Dear Student,
◆ Answer -
(4) 9 horse power
● Explaination -
# Given -
m/t = 250 kg/min = 250/60 kg/s
h = 150 m
# Solution -
Power required in drawing water from well is -
Power = mgh/t
Power = 250/60 × 10 × 150
Power = 6250 watt
Power = 6250/746 hp
Power = 8.378 hp
Therefore, only pump with more power i.e. 9 hp can be used for drawing water.
Thanks dear...
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