commercial ice machine quiz chapter 27

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Author:
salvatorefricano
ID:
297713
Filename:
commercial ice machine quiz chapter 27
Updated:
2015-03-05 22:18:20
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icemachines
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quiz chapter 27
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  1. Only pure water freezes at 32 degrees.
    False
  2. Hot gas is commonly used to free ice cubes from the evaporator after they have been formed. This process is called ____.
    harvest
  3. A _________________________ can be added to the auger of a flake ice machine to make cubelet or nugget ice.
    extrusion heads
  4. To start the harvest sequence on an ice machine, it can be done by using ______________
    a bridge sensor
  5. It is recommended that at least ____________________ a year, the probe should be removed from the water reservoir and cleaned.
    twice
  6. Cutting surfaces on an auger for a flake ice machine are called
    flights
  7. To remove sediment from the troth/reservoir of an ice machine during the flush cycle we use a ______ valve.
    dump
  8. It is important that the auger not wobble within the freezing cylinder or evaporator.
    true
  9. When using cleaning and sanitizing chemicals, it is ok to mix the two chemicals together.
    false
  10. A periodic way of ridding unwanted mineral buildup in the water of an ice machine is
    flush cycle
  11. Three types of bin control are:___________
    liquid filed thermostat bulb,infared eye, sound waves
  12. Cleaning an ice machine with an approved ice-machine cleaner gets rid of?
    scale
  13. When operating at the proper refrigerant charge, ice production in ice machines depends mainly on two factors. List these factors.
    • ambient air
    • entering water temp
  14. Sanitizing an ice machine gets rid of:_________
    bacteria, viruses, protozoa
  15. The _________________________ are usually made of fibrous material (teflon) designed to strip or break if the auger starts to bind up.
    gears
  16. The gear motor assembly are less prone to failure than any other part in the ice flaker
    false
  17. Most ice cube machines are defrosted by:_________
    hot gas defrost
  18. Only pure water freezes at which temperature?
    - 10*
  19. Water levels can also be sensed and controlled by a probe located in the water reservoir.
    true
  20. _______________________ senses the buildup of ice by infrared technology. This control allows the ice machine to shut down before the ice chokes the spout opening.
    infrared electric eyes

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