Hygenic Design Flashcards
1
Q
List 3 factors that may help dirt stay in place
A
Rough Surface
Adhesive force
Fat layers
Colloidal film
2
Q
Basic cycles in CIP?
A
Pre rinse
Alkaline solutions
Acid cleaning solutions
Rinse
3
Q
3 factors that affect cleaning time
A
Temperature
Concentration of chemicals
Mechanical action
4
Q
What parameters affect mechanical action?
A
Flow velocity
Flow rate
Pressure
5
Q
Which spray apparatus delivers most surface impingement?
A
Rotating stream cleaner
6
Q
What is laminar flow?
A
Molecules moving at same speed in same direction
7
Q
What are some hygienic design considerations?
A
Food compatible materials
Avoid dead spaces
Defined pressure on gaskets
Smooth surface quality
