Give an example of an airflow problem that can look like a refrigerant charge problem if a service technician is only looking at system pressures?
What will be an ideal response?
Low evaporator airflow can cause low system pressures.
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Use the accompanying figure to compute angle C to the nearest hundredth of a degree. Angle A is 23o and angle B is 18o.
A. 21.98o B. 22.67o C. 23.77o D. 24.91o
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Using the method of sections, determine the forces in the bars listed below the figure.
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The diagonal braces or solid wood blocks installed between floor joists and are used to distribute the weight put on the floor are called __________.
a. ribbons b. bridging c. sills d. footings
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Which of these should be used when soldering electrical wiring connections?
A. Rosin core flux B. Acid core flux C. Sulfur core flux D. None of the above
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