Formulas Flashcards
1
Q
Eo = Em - Er is :
A
Eo : voltage measured by end device
Em: voltage generated at temp measuring junction
Er : voltage generated at reference junction
2
Q
RTD:
A
3
Q
This is
A
For rtds
4
Q
This is
A
For rtds
5
Q
Rtds
A
6
Q
This is
A
For proportional output calcs
-COo controller bias setting
-KcE controller proportional action
7
Q
F = Kp
A
F = centrifugal force
K = a constant
p = density of the liquid
8
Q
If you 2x the diameter of the impeller or speed on a pump how does that effect power consumption ?
A
Needs 8x more power ( 2^3)
9
Q
Pumps flow rate is __ to pressure
A
Inverse
10
Q
Why do you use check valves on centrifugal pumps
A
Can cause backlog through the pump
11
Q
Pumps use ____ (unit)instead of pressure
A
Head
Meters
