Todas las afirmaciones siguientes son beneficios de las tuberías eléctricas de aluminio EXCEPTO:
a. son fáciles de curvar de manera uniforme.
b. son ligeras.
c. presentan una impedancia a tierra reducida.
d. son resistentes a la corrosión.
a. son fáciles de curvar de manera uniforme.
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Coal is ranked and classified according to its ____
A) carbon concentration B) location C) color D) viscosity
Which is TRUE of biodiesel fuel?
A) Reduces carbon monoxide emissions B) Reduces particulate matter in emissions C) Reduces hydrocarbon emissions D) All of these
When should the PM duties for a given machine be planned?
A. Just before the PM starts B. Right after the machine is shut down for the PM C. Before the machine is ever shut down D. Whenever the plant manager gives approval
A solar water-heating system is designed to heat water by capturing energy from the sun.
Answer the following statement true (T) or false (F)