What should be done when checking the refrigerant charge of an operating packaged unit?
a. Allow time for the operation of the unit to stabilize.
b. Put the unit in economizer mode.
c. Open all outdoor air dampers and close the return air dampers.
d. Remove the supply air fan access panel.
a
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What is 611.07 + (21 + 7.348 - 0.887)2 to one decimal place?
What will be an ideal response?
One way to provide effective training is to _____.
a. avoid giving negative feedback until trainees are more experienced in doing the task b. tailor the training to the career goals and needs of trainees c. choose one training method and use it for all trainees d. encourage trainees to listen, saving their questions for the end of the session
In most animals, the bones at the top of the tail are larger than the bones at the end
Indicate whether the statement is true or false
Rear-disc auxiliary drum parking brakes ________
A) Use a dual-servo friction assembly B) May be adjusted through an opening in the drum C) Both A and B D) Neither A nor B