# Formula No.9 New Pump Pressure with New Pump Rate

This formula is used to find approximate New Pump Pressure if Pump Rate is changed. It can be helpful to have some idea about new pump pressure if pump rate is changed.

The formula for New Pump Pressure with New Pump Rate (approximate):

 9 NEW PUMP PRESSURE (psi) WITH NEW PUMP RATE approximate $Old\;Pump\;Pressure\;(psi) \times \left(\dfrac{New\;Pump\;Rate\;(SPM)}{Old\;Pump\;Rate\;(SPM)}\right)^2$

Problems on New Pump Pressure:
Q1.Kill Rate Pressure or KRP at ___ SPM is ___ psi. What will be the approximate KRP at ___ SPM?

Correct/Incorrect
Hint