Where are "salamanders" used?
A) They are used to preheat the return air in air source heat pumps.
B) They are most often used in bedrooms to supplement central heating systems on unusually cold nights.
C) They are often used during building construction to supply temporary heat.
D) They are specifically designed to heat aquatic biospheres containing amphibians.
C
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An owner of a start up business can either buy a more expensive piece of equipment that does more than what is required or less expensive equipment that will do what is required. Thinking like an owner, what might be a reason to buy the less equipment that will do what is needed rather than the more expensive equipment?
A. More is not always better B. To preserve capital for future business needs C. Equipment becomes outdated D. If the less expensive equipment is bought, the owner may be able to buy two of the same model instead of just one, that way they will have a back up if needed
The HEV 12 volt auxillary battery is made with a special, highly toxic electrolyte
Indicate whether the statement is true or false
Exterior doors are often insulated with polystyrene because of its high R-value rating
Indicate whether the statement is true or false
Mud and other natural materials have shaped human shelters _____ .?
A. ?for less than a millennia?? B. ?since the industrial revolution? C. ?since the inception of the "green movement"? D. ?for more than 10,000 years?