Pumps Flashcards
1
Q
A(n) ____________ is an assembly which is used to house a gland seal. It is used to prevent leakage of fluid, such as water or steam, between sliding or turning parts of machine elements.
A
stuffing box
2
Q
___________ is a spontaneous vaporization of the fluid inside a pump, resulting in a degradation of pump performance, as well as noise, vibration, impeller pitting, and structural damage to the pump casing.
A
Cavitation
3
Q
Why is this concentric reducer arrangement to be avoided?
A
There is a risk of large air bubbles growing in the high point and eventually being swept into the pump impeller.
4
Q
About what thickness of grout would by typical under a pump skid?
A
1-1/2”
