The steps to aggressively controlling the contamination of indoor air would involve ____.
A. locating and eliminating the source of contamination
B. providing adequate ventilation
C. providing methods for cleaning the air
D. all of the above
Answer: D
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The ____________________ switches are approximately one-half to one-quarter the size of the basic switch.
Fill in the blank(s) with the appropriate word(s).
_______ is the percent of workplace fatalities due to failure to follow or have an energy isolation program.
Fill in the blank(s) with the appropriate word(s).
The most accurate method of charging a small appliance that holds less than a lb of refrigerant is to add:
A) Liquid into the system until the pressure equals the saturation pressure and temperature. B) Vapor with the system not operating up to a specified static pressure at a specified ambient temperature. C) Vapor into the low side with the system operating while checking the compressor amp draw. D) Liquid into the system with the system off until the liquid stops going in.
The batteries of an electric vehicle recharge very quickly, especially when compared with filling a fuel tank at a service station.
Answer the following statement true (T) or false (F)