Why is the fusible design distribution center more popular than the circuit-breaker design?
What will be an ideal response?
The fusible design distribution center is the more popular design mainly because of its moderate cost.
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In addition to cooling, what are three advantages provided when ventilating a greenhouse?
What will be an ideal response?
The hermetic reciprocating compressor motor is essentially made of the same materials as an open type compressor motor.
Answer the following statement true (T) or false (F)
?What can be done to make it easier to set the root opening for tack welding?
A. ?Bend a piece of filler rod in a U-shape and place it between the ends of the pipes. B. ?Use a piece of tungsten as a spacer because it will not melt and it is hard enough to resist the forces of the tack weld bead shrinking. C. ?Measure the gap carefully with a steel rule or tape measure. D. ?Using a smaller diameter nozzle cup, place it in the groove to keep the pipe ends spaced as the tack weld is made.
To protect wiring or data connections, ________ available for steel stud punch-out holes
A) C channels B) Furring strips C) U channels D) Grommets