The NEC® allows the load calculation for the grounded neutral conductor supplying electric ranges and dryers to have a demand factor of _____.

a. 50%
b. 70%
c. 85%
d. 100%


b. 70%

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

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What should be done before removing a piston from a liner?

A. remove the crankshaft B. remove the main caps C. hone a crosshatch D. scrape away the carbon ridge

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

1. Basic hand tools are the common tools that are found in just about every workshop toolbox. 2. A die cuts “female” threads (equivalent to the threads in a nut). 3. Vernier calipers are more accurate than micrometers. 4. Accurate tightening of fasteners is a minor consideration in the proper operation of engines and other power equipment engine components. 5. A test light is used to determine if electrical power is available to a particular circuit.

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¿Qué tipo de tubería se utiliza en los sistemas de aire acondicionado?

a. Plástico b. Cobre c. Acero d. Hierro fundido

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