Ultraviolet air treatment systems are used on __________ systems and are most effective when used in conjunction with a __________ media.
What will be an ideal response?
forced air conditioning or heating, high efficiency air filtration
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Electric car maker Gentech signed a $75 million contract with Power Systems, Inc. to automate a major part of its assembly line system. If Power Systems will be paid 2 years from now, when the systems are ready, determine the present worth of the contract at 18% per year interest.
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1.Always read and follow the manufacturer’s instructions that are supplied with a meter. 2.Clamp-on ammeters are the most used type of ammeter in residential electrical work. 3.Ground resistance meters are used to determine the amount of current that can flow into the earth. 4.Smart meters have two-way communications and are able to send and receive information to and from home owners and the electric utility company. 5.Meters will become inaccurate over time and recalibration may be necessary to bring a meter back to its intended level of accuracy.
The reproductive physiology of bitches differs from most other mammals in having estrous cycles with long periods of ovarian inactivity between cycles
A. True B. False
Which precaution should you take when raising the fly section of an extension ladder?
a. maintain a firm grip on the rungs b. set your feet against the inside of the rails c. set the dogs after each click d. do not wrap the halyard around your hands