If you double the thickness of insulation, what happens to the heat flow? Does it double, decrease by one-half, or stay the same? Why?

What will be an ideal response?


It decreases by one-half. The heat flow is inversely proportional to the
resistance, the R-factor, so if it increases by two, the heat fl ow decreases by
one-half.

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Which of the following is approved for use in most Class I, Division 1 locations?

a. Rigid metal conduit b. PVC c. Liquid-tight conduit d. EMT

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When the engine is running, the ____ spins the rotor inside the stator windings.

A. drive belt B. battery C. armature D. solenoid

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Polish remover may dry the cuticle if it is:

What will be an ideal response?

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Poultry grades are applied only to whole birds.

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

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