A major difference between common HVAC systems and air turnover systems is that air turnover systems
_____.
a. cannot provide cooling
b. are direct-fired units
c. are designed to encourage stratification
d. often use propeller fans to circulate the air
d
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20 x 0.056 = ____.
A. 1.12 B. 1.24 C. 1.36 D. 1.40
A(n) ____________ is a wire-wound or thin-film device that uses the PTC characteristic of metals to measure temperature.
What will be an ideal response?
Technician A says that, after a road test, begin by checking the fluid when you are diagnosing a transmission problem. Technician B says to use a pressure gauge to start diagnosing a transmission problem. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician
Which of these common plant nutrients would not be found bound as a cation to the surface of a clay mineral?
a. Potassium b. Phosphorus c. Ammonium-nitrogen d. Magnesium