Motors are the most important loads in any heating, cooling, or refrigeration system.
Answer the following statement true (T) or false (F)
True
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As the refrigerant passes through the condenser, it ________.
A) Condenses from a gas to a liquid B) Is cooled by ambient air C) Gives up latent heat to the air flow D) All of these
To limit impedance, which of the following should be sized at 10kVA or less?
a. Isolation transformer b. Stepdown transformer c. Utility transformer d. Dry-type transformer
?How is after-tax lost opportunity cost calculated?
A. ?total interest income earned multiplied by percentage of income retained by the owner B. ?total interest income earned multiplied by income tax percentage C. ?installation cost divided by annual operating cost savings D. ?total cost of owning and operating a system on an annual basis
What can be the result of electrical current passing through a body?
A) Burns B) Death C) Serious bodily injuries D) All of the above