El cemento hidráulico _____.
a. contiene cemento Portland
b. no contiene fibra mineral
c. no fragua rápidamente
d. es impermeable
a. contiene cemento Portland
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What is the subcooling of an R404A unit at 230 psig head pressure and a 90° liquid line?
a. 8° b. 12° c. 18° d. 20°
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Brake fluid pressure is measured in what unit?
A) Sq. in. B) Inches C) PSI D) Pounds
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If you needed to connect a 4-20 mA pressure sensor to a PLC, you would use a(n) ____.
A. analog input module B. analog output module C. digital input module D. digital output module
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Simple carbohydrates come from _____
a. alfalfa c. bluegrass b. wheat d. orchard grass
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