Which sort of air movement is likely on a hot day in and air conditioned tall building?

a. updraft
b. stratification
c. churning
d. downdraft


Ans: d. downdraft

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Define torsion.

What will be an ideal response?

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While having a discussion, Technician A says that an ohmmeter should be used to test an O2 sensor. Technician B says that you should not use an ohmmeter to test an O2 sensor. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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The site analysis can help suggest uses for the land that had not occurred to the client

Indicate whether the statement is true or false

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In the cooling mode, the reversing valve is typically _____

a. bypassed b. energized c. de-energized d. reversed

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