When installing a rooftop package unit, proper airflow through the condenser fan is critical. The minimum free clearance air space above the condenser fan should be:

A) 60 in. B) 12 in. C) 72 in. D) 48 in.


A

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? Designers typically consider the waste generated by the materials they choose.

Answer the following statement true (T) or false (F)

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One of the common practices used in creating a stucco finish is to _____

a. fasten diamond mesh flat against the sheathing b. apply stucco in four coats c. apply stucco to a thickness of 3/4 inch d. use a stucco lock to prevent water penetration

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A pillow block bearing failure that is caused by an undersized shaft is _____

a. thrust failure b. misalignment c. a broken cam d. electric arcing

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In the circuit shown in Figure P3.5, the mesh currents are

I1 = 5A I2 = 3A I3 = 7A

Determine the branch currents through:

a. R1.
b. R2.
c. R3.

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