Can zeotropes be metered in with the unit operating?
A) Yes, by slightly cracking open the low-side manifold valve and then closing it
B) No, if an early R-410A cylinder with a dip tube is being used
C) Yes, only if the temperature exposure of the cylinder is above 125°F
D) No, as the system must be turned off first
A
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Which of the following hazards can lead to lost product? (Select all that apply.)
a. Overfilling b. Misalignment of blanket system c. Misalignment of pump systems d. Pulling a vacuum on a tank while emptying
Internal buildup on the surface area of a heat exchanger that results in a restriction is referred to as:
a. plugging b. fouling c. scale d. purging
Towns such as Abilene, Kansas, and Sedalia, Missouri, were established as ____________________ because cattle were brought in for shipment to the East
Fill in the blank(s) with correct word
Answer the following statement(s) true (T) or false (F)
The first piece of window trim installed is usually the apron.