Which is NOT a cause for low superheat in an air conditioning system?
A. refrigerant undercharge
B. overfeeding metering device
C. dirty air filters
D. restricted airflow through the evaporator coil
Answer: A
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Continuous loads are calculated at what percentage of the maximum current rating of the overcurrent device?
a. 75% b. 80% c. 90% d. 100%
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If a landscape architect was hired by an engineering firm to provide the landscape plans for a large government site, the role of the landscape contractor would be that of a ____________________
Fill in the blank(s) with correct word
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How many more calories per day does the average American now consume compared to 1970?
a. 100 c. 600 b. 300 d. 1,000
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The most commonly used type of power transmission chain is the _____
a. silent b. roller c. split d. welded
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