Test your knowledge of the basic pasteurization process by completing this simple quiz.
1. What is the minimum pasteurization temperature for skim milk in an HTST system?
Correct!
161°
Wrong!
212°
313°
2. What is the minimum pasteurization time for whole milk in an HTST system
15 Minutes
1.5 Minutes
15 Seconds
3. What is the name of the pump located between constant level tank and inlet to raw side of regenerator?
Cooler Pump
Booster Pump
Diversion Pump
4. The deflector plate that is drilled for draining is found in the cooling section.
True
False
5. Time, temperature and pressure are of no concern when in the full mode of CIP.
6. What is the minimum pasteurization temperature for cream of 10% or more through a HTST?
146°
186°
166°
7. Name the recording pen that records the positions of the flow diversion device found in the STLR?
Event or Frequency Pen
By-pass or Recorder Pen
Timing Sync or Controller Pen
8. Name the three provisions which must be met before the booster pump is allowed to operate.
1) Back Pressure Valve open; 2) Recorder Controller positive; 3) Air Gap set to 2mm
1) Timing Pump on; 2) Forward Flow; 3) Pressure Differential Set Point 2#'s or Greater
1) Forward Pressure negative; 2) Anti-Siphon closed; 3) Booster Pump set to 2psi
9. Name the time delay for product mode that is incorporated in the flow diversion controller.
Flush Delay
Diversion Delay
By-pass Delay
10. The basic flow through an HTST is shown below. Select the next system in the sequence.
Constant Level Tank
Raw Side of Regenerator
Metering Pump
Heater Section
Holding Tube
Indicating Thermometer
Recording Thermometer Sensor
Flow Diversion Device
Pasteurized Side of Regenerator
Vacuum Breaker
To Filler or Storage
Cooler Section
[Pasteurization Training] [Training] [Seminars] [Seminar Agenda] [Registration] [Quiz] [Related Links]
Copyright © 2001 Votion Enterprises, Inc. All Rights Reserved.Updated 26 Feb 08. Questions and comments to mvk1030@aol.com
