Electrical nonmetallic tubing installed in club rooms of assembly occupancies must be concealed in walls, floors, and ceilings that provide a thermal barrier of material with a finish rating of at least _____.

a. 15 minutes
b. 20 minutes
c. 30 minutes
d. 60 minutes


a. 15 minutes

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Northern soldiers eventually became known for their

A. discipline and determination. B. cowardice in battle. C. lack of proper training. D. high-pitched battle yell. E. love of military pomp and hierarchy.

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If the rung condition of a timer-on instruction becomes false before AC=PR, the accumulator value __________.

A. freezes B. resets to zero

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Explain when a soap solution should be used as a method of leak detection.

What will be an ideal response?

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Technician A says a 70-30 mixture of water and ethylene glycol is the best coolant formula for most engines. Technician B says a 50-50 mixture of water and ethylene glycol is the best coolant formula for most engines. Who is correct?

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

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