
228 Total Productive Maintenance
10/5/2012
30 units built without ball and filters 30 units with inlet filter (150 micron) only
Measured outlet flow through DISS 1240
connection with 500 psig inlet
30 units built without ball and filters 30 units with inlet filter (150 micron) only
H
°
= Null hypothesisH
°
= Null hypothesis
H
°
= "the flow of gas does not increase without the ball and filters"H
°
= "the flow of gas does not increase with the inlet filter only"
H
A
= Alternate hypothesisH
A
= Alternate hypothesis
H
A
= " the flow of gas increases without the ball and filters"H
A
= " the flow of gas increases with the inlet filter only"
Flow
(lpm)
Base line
Flow
(lpm)
Increa ...