¿Qué es un economizador?

a. Una válvula de combustible
b. Un mezclador de aire
c. Un precalentador para agua de alimentación de calderas
d. Un recalentador para vapor


c. Un precalentador para agua de alimentación de calderas

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The stretcher is laid in a vertical position with the shortest, widest side exposed at the front of the wall.

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

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What type of component converts electrical signals into mechanical action?

A) Actuator B) Processing module C) Sensor D) None of these

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The contractor and the customer both have a role in achieving quality construction as required by the contract. Usually, the contractor is responsible for all of the following except _____.

a. recording quality control activities b. establishing construction standards c. following the terms of the contract d. completing the work on time

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Flowering intervals are controlled to a large degree by the length of ____ periods

Fill in the blank(s) with correct word

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