A cable hanger elbow is used to _____.

a. suspend cables in long vertical runs
b. divide a section of cable tray
c. support piping
d. make vertical offsets


a. suspend cables in long vertical runs

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In the accompanying figure, x = 78 mm and y = 115 mm. Find Dia A.

What will be an ideal response?

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When storing apples, oxygen and carbon dioxide levels are decreased and replaced with _____

a. carbon monoxide c. methane b. neon d. nitrogen

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Most modules on the bus network are capable of setting U-codes if they detect ____________________ conditions.

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

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VRF systems are commercial systems. The outdoor units are normally designed to operate on ________ phase power and the indoor units on ________ phase power

A) single, three B) three, single C) three, three D) single, single

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