In order to reduce the amount of refrigerant a system will use, and to eliminate refrigerant flow to display cases, some manufacturers are turning to the usage of a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
refrigerant
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Which of the following could cause this condition?
A reach-in freezer with cap tube has the following conditions: ? Subcooling is 6° ? Superheat is 0° a. Dirty or iced evaporator b. Restricted cap tube c. Overcharge d. Undercharge
____________________ are specialized motors that create incremented steps of motion rather than a smooth unbroken rotation.
Fill in the blank(s) with the appropriate word(s).
Semiconductors are manufactured using a combination of silicon and germanium crystals
Indicate whether the statement is true or false
Numbered symbols used on the floor plan key specific items to charts known as schedules. Schedules are a grouping of related items with corresponding distinguishing features, with a heading and minimum of three columns of related information.
Answer the following statement true (T) or false (F)