Which is greater?
a. 1 inch
b. 1 centimeter
Answer: a
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Describe five examples of civil engineering projects.
What will be an ideal response?
If the blades on a forward curved centrifugal (evaporator) blower become clogged with dirt, which of the following is likely?
A. The evaporator could freeze. B. The suction pressure would drop. C. The head pressure would rise. D. Both a and b are correct.
Because dogs and cats are among the most intelligent terrestrial mammals, they rarely require training
A. True B. False
The purpose of the trap in a condensate drain is to:
A) Ensure that some water is always standing in the evaporator drain pan. B) Offset the negative pressure on the drain, which can prevent the water from draining. C) Keep snakes and insects from crawling up the drain into the coil. D) Provide a place for coil slime to collect so that is can be easily cleaned out.