Technician A says double-wall tubing is made in two ways: seamless and multiple ply. Technician B says that each must meet the specifications of SAE Standard J1047 as amended. Who is correct?

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


Answer: C

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Fill in the blank(s) with the appropriate word(s).

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Turkeys cannot tolerate cold weather as well as chickens

Indicate whether the statement is true or false

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The diameter of a driving pulley is 12.75 inches.  The pulley is rotating at 225 rpm.  The driving pulley is rotating at 450 rpm.  Determine the diameter in inches of the driver pulley.

What will be an ideal response?

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Wiring for a four-port multisplit system runs:

A) One wire to each indoor unit. B) Four wires to each indoor unit. C) Three wires to each indoor unit. D) Two wires to each indoor unit.

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