What is the temperature rise of a furnace with a supply air temperature of 130°F and a return air temperature of 75°F, operating in an ambient temperature of 50°F?
A) 75°F - 50°F = 25°F temperature rise B) 50°F + 75°F = 125°F temperature rise
C) 130°F - 75°F = 55°F temperature rise D) 130°F - 50°F = 80°F temperature rise
C
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A scraper can be used during finish grading to _____.
a. trim when horizontal tolerances are critical b. shape a drainage ditch c. grade a steep slope d. pick up a windrow of material left by a grader
Las dos medidas que se necesitan para comenzar a calcular un doblez de compensación son el/la:
a. longitud y ángulo del doblez. b. ángulo del doblez y la distancia entre los dobleces. c. ángulo del doblez y cantidad de contracción. d. ángulo del doblez y la altura requerida de la compensación.
The Tennessee Walking Horse is noted for its _____
a. color c. gait b. speed d. strength
If there are 20 working days in a month, the monthly usage is 660 units, and there are 100 units on hand, approximately how many days' supply are there?
A) 33 B) 7 C) 3 D) 5