Answer the following statement(s) true (T) or false (F)
1. Air conditioning systems operate at lower temperatures than refrigeration systems, and must employ some method for defrosting the evaporator.
2. Condenser flooding is accomplished by placing a pressure operated valve in the refrigerant line between the condenser and metering valve.
3. The ORD valve is an inlet pressure regulating valve that responds to changes in the condenser pressure
4. One common method of increasing head pressure is by controlling the amount of air across the condenser.
5. The fan cycle switch can be added to an existing system with very little trouble.
1. FALSE
2. TRUE
3. FALSE
4. TRUE
5. TRUE
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A. maintenance B. materials C. quantity D. people
All of the following are true about as-built drawings except _____.
a. they are submitted to the architect/engineer as part of the closeout documents. b. the general contractor is responsible for recording changes. c. they are provided to the local building inspector to certify all local codes are met. d. they are developed to demonstrate project changes as they occur on site.
List five roles of a process employee today.
What will be an ideal response?
In a right triangle, a and b represent legs and c represents the hypotenuse. Determine the measure of side b if a = 25.5 m and c = 32.5 m. Express the answer to the nearest tenth meter.
Fill in the blank(s) with the appropriate word(s).