The most reliable source of information on how to charge any particular piece of equipment is:
A) The equipment manufacturer. B) ASHRAE.
C) AHRI. D) The local inspection authorities.
A
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ECMs should be replaced if their motor winding resistance to ground is less than _____.
a. 1,000 ohms per volt b. infinity c. 100,000 ohms d. 500,000 ohms
Life-cycle costing often involves situations where the investor is faced with a number of mutually exclusive alternatives.
Answer the following statement true (T) or false (F)
Answer the following statement(s) true (T) or false (F)
1. Cross connections between an individual water supply system and other individual or public water supply systems are prohibited. 2. There are several jurisdictions where licensing programs do not include licensed well drillers and pump installers. 3. Hydropneumatic tanks shall have a working pressure rating that does not exceed the maximum required system pressure. 4. Well casings, curbs, and pitless adapters shall terminate no fewer than 8 inches above the finished ground surface or pump house floor and at least 24 inches above the maximum high-water level where flooding occurs. 5. Systems, which have vents, shall be of adequate size to allow equalization of air pressure in the well and shall not be less than 3/4 inch in diameter.
Changes in sections to the 2017 National Electrical Code® from the previous edition are indicated by __________ __________.
a. an asterisk b. a star c. a bullet d. gray shading