Why is "inches of water column" used to measure gas pressure instead of psig?
What will be an ideal response?
"Inches of water column" is a smaller scale and will give more accurate measurements.
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List four elements of the air-conditioning system that the total system control module must supervise.
What will be an ideal response?
To avoid responsibility of client's allergy to a product, you have to:
What will be an ideal response?
Before an evaporative emission monitor will run, the fuel level must be where?
A) Over 25% B) Between 15 and 85% C) At least 75% full D) The level of the fuel in the tank is not needed to run the monitor test
Which of the following groups of systems is required to be grounded?
A. Electrical systems used exclusively to supply industrial electric furnaces for melting, refining, tempering, and the like B. Separately derived systems used exclusively for rectifiers that supply only adjustable- speed industrial drives C. Separately derived systems supplied by transformers that have a primary voltage rating less than 1000 volts for control circuits D. High-impedance grounded neutral systems as specified in 250.36