On a roof de-icing system, secure cables to each other using _____.

a. black duct tape
b. metal straps
c. UV-resistant cable ties
d. vinyl electrical tape


c. UV-resistant cable ties

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If R coil energizes, all R contacts change position.

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

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____ data give a means of determining a unit's ability to carry loads and withstand structural stresses.

A. Compressive strength B. Weight C. Absorption D. Thermal expansion

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The amount of light, or ____, needed for exterior areas is dependent upon the type of activity that is to take place in a specific area.

A. luminaire B. distribution C. efficacy D. illuminance

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Monochromatic means using one color in an entire flowerbed

Indicate whether the statement is true or false

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