With energy costs rising, single point-of-use ____________________ are becoming more energy savers than luxury appliances.
Fill in the blank(s) with the appropriate word(s).
ANSWER: hot water dispensers
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Mechanical connections are shown with ____.
a. straight broken lines b. a connection dot c. a connection node d. lines crossing each other
Which of the following statements are true regarding DX systems? Select all that apply.
A) They always have the compressor(s) in the fan coil unit. B) They include rooftop units and PTAC units. C) They generally use water-cooled condensers. D) They can have condensers remote from the fan coil unit.
Technician A says that most automotive gasoline engines have four strokes per cycle. Technician B says that the crankshaft makes four revolutions during the four-stroke cycle. Which technician is correct?
A. Technician A B. Technician B C. Both technicians D. Neither technician
The soil matrix filters all chemicals from percolating water
Indicate whether the statement is true or false.