What kind of check valve would you find in the air conditioner in a 20-year-old-home?
A) A check valve that uses a steel ball B) A check valve made of plastic
C) A check valve that is inside the metering device D) A check valve that has a disk and a spring
D
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The rise of one flight of stair is generally limited by building codes to
A) 12 ft. B) 10 ft. C) 8 ft. D) 7 ft.
The Renaissance design became the pattern for early American floral arrangements
Indicate whether the statement is true or false
Technician A says that a flashback on an oxyacetylene torch is muchmore severe conditionthan backfire. Technician B says thatbackfire is more serious. Who is correct?
A. Technician A B. Technician B C. Both D. Neither
Assume the water cooled condenser is clean. If the temperature of the water leaving the condenser is 80° what approximate condensing temperature would that indicate?
a. 90° b. 105° c. 120° d. 125°