What are the two types of thermocouple temperature sensors commonly used in HVACR work?

A) Positive and negative temperature coefficient thermocouples
B) Type 1 and type 2 thermocouples
C) Type A and type B thermocouples
D) Type J and type K thermocouples


D

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Electronic short-cycle timers can be obtained that operate as delay-on-make or as ____.

a. delay-on-pass b. on-delay c. delay-on-break d. delay-on-check

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What drill bit is required to drill the holes in the top of A1?

Review drawing number 523667B0A and then answer the question.

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La letra F en la Figura 1 señala un _____.



a. puntal de contorno
b. punta principal
c. puntal corto
d. puntal común

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A scale is an instrument with a system of ordered marks at fixed intervals used as a reference standard in measurement.

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

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