The two broad types of fan designs are:
A) Forced draft and induced draft. B) Propeller and squirrel cage.
C) Forward-curved and backward-curved. D) Centrifugal and axial.
D
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What act establishes a system of permits used for eliminating the discharge of possible known pollutants in waterways?
A. Clean Water Act B. Resource Conservation and Recovery Act C. National Pollutant Discharge Elimination System Act D. National Ambient Air Quality Standards Act
Obtain v? for t > 0 in the circuit of Fig. 7.133.
 FIGURE 1.png)
The thermostat terminals are identified with the letters R, Y, W, and G, which stand for ________
A) the primary and secondary windings on the control transformer B) the colors of the thermostat wires (red, yellow, white, and green) C) the operation of the thermostat (auto, manual, and semiautomatic)
Which type of compressor can be identified by its cylindrical shape and the fact that the discharge line is located in the center at the very top of the compressor?
A. reciprocating B. rotary C. screw D. scroll