The bypass plug is removed for the operation of what kind of system?
A) Two-pipe system B) One-pipe system C) No-pipe system D) Three-pipe system
B
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A solar collector has 14 rows of 
? - inch tubing. Each row is 8 ft. 3 in. long. How much water will fill the tubing? (Round off to 2 decimal places.)
Fill in the blank(s) with the appropriate word(s).
Technician A says that leakage testing identifies leakage in aspecific circuit component. Technician B says thathydraulic oil temperature should be measured because system pressure and flow specifications are calculated withthe system at operating temperature. Who is correct?
A. Technician A B. Technician B C. Both D. Neither
Very often, the ____ Having Jurisdiction (AHJ) adopts a model code.
A. Agency B. Agent C. Architect D. Authority
Discuss how to maintain correct proportions when freehand sketching.
What will be an ideal response?