The most common fan used for moving air through ductwork in residential air conditioning is:
A) Vane axial. B) Forward-curved centrifugal.
C) Propeller. D) Backward-curved centrifugal.
B
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One area of operations that the civilian sector doesn't tend to train in is operating under adverse conditions, also known as _____________________.
Fill in the blank(s) with the appropriate word(s).
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In the truss shown, find the value of ?1 in degrees.
Fill in the blank(s) with the appropriate word(s).
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Many AWD vehicles are based on _____ vehicles.
A. FWD B. RWD C. 4WD D. hybrid
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According to the Unified Soil Classification System, how many soil groups are there?
A) 5 B) 3 C) 4 D) 2
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