answer 2nd item only A pump rated at 65% efficiency is used to transport water from a large openreservoir to a point 10m above at a rate of 450 L/min, into a vented tank.Assuming friction is negligible and that the efficiency of the motor is 77%, howmuch electricity is required to keep the process running for 24 hours?29.37 kWh35.28 kWh56.71 kWh43.21 kWhThe velocity of water is measured using an orifice meter (throat diameter =0.06m) in a 0.31-m pipeline. The measured pressure drop across the orifice is75 kPa. The Reynolds number at the orifice is nearly:250000375000500000125000

In this, it is asking for the answer for the second question only so we will provide the answer for…

The velocity of water is measured using an orifice meter (throat diameter = 0.06m) in a 0.31-m pipeline. The measured pressure drop across the orifice is 75 kPa. The Reynolds number at the orifice is nearly: 250000 375000 500000 O125000

The velocity of water is measured using an orifice meter (throat diameter = 0.06m) in a 0.31-m pipeline. The measured pressure drop across the orifice is 75 kPa. The Reynolds number at the orifice is nearly: 250000 375000 500000 O125000

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Question

answer 2nd item only

A pump rated at 65% efficiency is used to transport water from a large open
reservoir to a point 10m above at a rate of 450 L/min, into a vented tank.
Assuming friction is negligible and that the efficiency of the motor is 77%, how
much electricity is required to keep the process running for 24 hours?
29.37 kWh
35.28 kWh
56.71 kWh
43.21 kWh
The velocity of water is measured using an orifice meter (throat diameter =
0.06m) in a 0.31-m pipeline. The measured pressure drop across the orifice is
75 kPa. The Reynolds number at the orifice is nearly:
250000
375000
500000
125000

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