When is the Y terminal energized on most heat pump thermostats?
A) Anytime the system is energized B) Both first-stage heating and cooling
C) In first stage cooling only D) In first stage heating only
B
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Jack has 124 acres in mixed hay that yielded 1.8 tons per acre. He baled the hay in round bales 4.4 feet wide and 5 feet in diameter, which weighed 1,600 pounds per bale.
a. How many tons of hay were produced? b. How many bales were harvested? c. What is the weight of 1 cubic yard of the hay?
Moisture in a liquid state must be ____ before it can be removed with a vacuum pump.
A. vaporized B. condensed C. cooled D. solidified
One problem managers who manage an international business must deal with when trying to
control their organizations is time zone differences.
Indicate whether the statement is true or false.The power curve does not fall below the reference line because the power is dissipated in the form of ____.
A. light B. heat C. pressure D. electricity