Why should an inside sump be included in the cooling tower piping?
A) It allows the tower to be supersaturated when needed.
B) It increases tower efficiency by lowering the wet-bulb temperature.
C) It shuts down the tower fan when it is not needed.
D) It provides a cooling tower bypass in freezing weather.
D
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What kind of pumps are most used in HVAC applications, e.g., chilled water?
A) Centrifugal. B) Gear. C) Axial. D) Turbine.
When you sketch two-dimensional views of an object that are established by a line of sight that is perpendicular to the surface of the object, you are sketching the:
a. isometric view b. pictorial view c. view alignment d. multiview
Leaks in refrigeration systems other than air conditioning systems, commercial refrigeration systems, or industrial process cooling systems must be repaired if they have an annual leak rate of:
A) 25% of the charge per year. B) 15% of the charge per year. C) 10% of the charge per year. D) 35% of the charge per year.
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