Para controlar un accesorio de iluminación desde tres posiciones diferentes, se debe utilizar un _____ junto con dos interruptores de tres vías.

a. interruptor de dos polos
b. interruptor de cuatro vías
c. interruptor de mercurio
d. tercer interruptor de tres vías


b. interruptor de cuatro vías

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The unit of measure that defines a vapor retarder’s effectiveness is the _____.

a. breathing unit b. blocking unit c. perm d. pass

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What is the purpose of the warranty time guide published by the manufacture of new car and trucks?

What will be an ideal response?

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Which tool is best to measure linear distance?

A) Machinist rule B) Dial indicator C) Micrometer D) None of these

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Technician A uses an impact socket on an impact wrench to tighten lug nuts. Technician B tightens lug nuts in a criss-cross pattern with a torque wrench. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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