Question

A three stage centrifugal pump is designed to discharge water at a total head of 80 m with an overall efficiency of 0.74. The pump runs at 2600 rpm. The actual head developed (per stage) is 65% of the theoretical head. The flow at the inlet is pure radial. The impeller at the exit has a diameter of $D_2$=0.21m and a width of $b_2$=0.0216m. The outlet blade angle is $\beta_2$ = 30°. The output power of the three stage centrifugal pump is: Select one: a. 66.57 kW b. 180.5 kW c. 87.22 kW d. 119.56 kW e. 126.6 kW

          A three stage centrifugal pump is designed to discharge water at a total head of 80 m with an overall efficiency of 0.74.
The pump runs at 2600 rpm. The actual head developed (per stage) is 65% of the theoretical head. The flow at the inlet
is pure radial. The impeller at the exit has a diameter of $D_2$=0.21m and a width of $b_2$=0.0216m. The outlet blade angle is
$\beta_2$ = 30°.
The output power of the three stage centrifugal pump is:
Select one:
a. 66.57 kW
b. 180.5 kW
c. 87.22 kW
d. 119.56 kW
e. 126.6 kW

A three stage centrifugal pump is designed to discharge water at a total head of 80 m with an overall efficiency of 0.74.
The pump runs at 2600 rpm. The actual head developed (per stage) is 65% of the theoretical head. The flow at the inlet
is pure radial. The impeller at the exit has a diameter of D2=0.21m and a width of b2=0.0216m. The outlet blade angle is
β2 = 30°.
The output power of the three stage centrifugal pump is:
Select one:
a. 66.57 kW
b. 180.5 kW
c. 87.22 kW
d. 119.56 kW
e. 126.6 kW

Added by Rhonda O.

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