Commercial Refrigeration Ch 11
(Walk-in System Sizing and
Installation) with Complete
Solutions
Four inches of urethane insulation is equivalent to how many inches fiberglass
insulation? - ANSWER - 10 inches
Why is urethane insulation better than fiberglass insulation? - ANSWER - It does not
absorb moisture like fiberglass, and maintains its insulating properties longer than
fiberglass.
When installing a walk-in with prefabricated floor panels on a concrete floor, is it
necessary to level the floor panels with shims? - ANSWER - Yes, because even
locked floor panels will not keep the box level on an uneven floor.
It is important that the walk-in floor be level. What happens when it is not? -
ANSWER - The wall and ceiling panels will not latch properly, and the door will not
seal completely.
What device can be added to some doors to help it close fully? - ANSWER - A door
closer
What is the name of the gasket at the bottom of the door? - ANSWER - Sweep
gasket
Door frames must be both _____ and ____ for a door to seal properly. - ANSWER -
Level and plumb
When refrigeration equipment is sized for "storage-only," what does that mean in
terms of product load? - ANSWER - The entering product is about the same
temperature as the walk-in.
(Walk-in System Sizing and
Installation) with Complete
Solutions
Four inches of urethane insulation is equivalent to how many inches fiberglass
insulation? - ANSWER - 10 inches
Why is urethane insulation better than fiberglass insulation? - ANSWER - It does not
absorb moisture like fiberglass, and maintains its insulating properties longer than
fiberglass.
When installing a walk-in with prefabricated floor panels on a concrete floor, is it
necessary to level the floor panels with shims? - ANSWER - Yes, because even
locked floor panels will not keep the box level on an uneven floor.
It is important that the walk-in floor be level. What happens when it is not? -
ANSWER - The wall and ceiling panels will not latch properly, and the door will not
seal completely.
What device can be added to some doors to help it close fully? - ANSWER - A door
closer
What is the name of the gasket at the bottom of the door? - ANSWER - Sweep
gasket
Door frames must be both _____ and ____ for a door to seal properly. - ANSWER -
Level and plumb
When refrigeration equipment is sized for "storage-only," what does that mean in
terms of product load? - ANSWER - The entering product is about the same
temperature as the walk-in.
