A centrifugal pump has the following pressure - capacitycharacteristics:

Pressure (KPa)	500	495	490	480	465	455	420	395	360	325	285
Capacity (m3h-1)	0	25	50	75	100	125	150	175	200	225	250

It is planned to use this for a process having the followingsystem characteristic:

Pressure (KPa)	350	370	400	435	465	505	545	595	660	725	800
Capacity (m3h-1)	0	25	50	75	100	125	150	175	200	225	250

(a) Determine the operating point for this pump with thissystem.

(b) The actual flowrate required by the process is 75m³h ^–1 . If the overall efficiency of thepump at this flowrate is 70%, determine the power consumed when theliquid being pumped has a density of 1250 kgm^–3 .

(c) A second pump is available which has the followingcharacteristics:

Pressure (KPa)	400	395	390	380	370	360	345	320	305	280	255
Capacity (m3h-1)	0	25	50	75	100	125	150	175	200	225	250

For the same flowrate (75 m³h ^–1 ), thispump has an overall efficiency of 75%.

(i) Determine the power used by this pump at a flowrate of 75m³h ^–1 .

(ii) Would it be a better choice? Give reasons for youranswer.

(iii) What other factors should be considered before a finalchoice is made?

Please can you write clearly as sometime i struggle to read whathas been put and please can you be very detailed (put why youcancel something out, where a figure came from that wasnt providedetc) as i have seen a similar question answered with 5 differentanswers and none of them are the answers from an equation that theygive.