Which of the following is TRUE of two-pipe HVAC systems?
a. they cannot provide heating and cooling alternately over the course of the day
b. their boilers and chillers cannot be shut down seasonally
c. they provide fuel economics through use of electrical heating and efficient distributed chiller cooling
d. their operating costs are relatively high
Ans: a. they cannot provide heating and cooling alternately over the course of the day
Business
You might also like to view...
__________consists of all marketing activities that stimulate consumer purchasing, such as coupons, contests, free samples, and trade shows
Fill in the blanks with correct word.
Business
The Fifth Amendment to the U.S. Constitution provides that no person shall be compelled in any criminal case to be a witness against himself
Indicate whether the statement is true or false
Business