Charging a refrigeration system refers to ____.
A. removing refrigerant from a system
B. adding refrigerant to a system
C. cleaning the refrigerant
D. vaporizing the refrigerant
Answer: B
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Researchers' inability to find a consistent relationship between leader traits and leadership
led to the development of behavioral approaches.
Indicate whether the statement is true or false.
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Determine the forces in all bars of the trusses. Indicate tension or compression.
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What does r stand for in the following equation?
a. Radius of the earth
b. Universal gravitational constant
c. Resistance
d. Center-to-center distance between objects
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Unbalanced seals have a _____ face loading than balanced seals
a. lower b. higher c. lighter d. more evenly distributed
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