engineering recuitment Indian Coast Guard Yantrik Mock Test 2024 Fluid Mechanics Turbomachinery Pumps
Mechanical efficiency of a centrifugal pump is given by
1
\(\frac{{Power\;at\;the\;impeller}}{{Shaft\;Power}}\)
2
\(\frac{{Shaft\;Power}}{{Power\;at\;the\;impeller}}\)
3
\(\frac{{Power\; possessed\; by \;water}}{{Power\;at\;the\;impeller}}\)
4
\(\frac{{Power\; possessed\; by \;water}}{{Shaft\;Power}}\)