Generating Inbred Mice. Inbred Strains. A strain is defined as inbred when it has been mated brother x sister for 20 or more consecutive generations (F20). All offspring can be traced back to a single ancestral breeding pair in the 20th or subsequent generation.
suction head. The energy per unit weight of fluid on the suction side of a pump. 1  Facebook.
NPSHA = Atmospheric pressure(converted to head) + static head + surface pressure head-vapor pressure of your product-loss in the piping, valves and fittings. NPSHA (net positive suction head available) = 34 + 5 - 22.7 - 16.7 - 2.34 = -2.74 feet. We need 9 feet, so the pump is going to cavitate for sure.