To increase the operating superheat on a thermostatic expansion valve:
A) The power head should be tightened one-quarter turn on the valve.
B) The adjusting stem should be turned clockwise.
C) The adjusting stem should be turned counterclockwise.
D) The sensing bulb should be moved farther away from the evaporator.
B
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Explain how to determine whether a straightness tolerance is applied to a surface element or a feature of size.
What will be an ideal response?
This is a CADD output device that uses liquid ink pens to plot a print.
a. laser printer b. electrostatic plotter c. pen plotter d. impact printer
A ____ is two or more numbers used to express a unit smaller than one.
A. fraction B. decimal fraction C. whole number D. mixed unit
Most hydronic heating systems are
A) Open systems in cooling and closed systems in heating B) Closed piping systems C) Closed systems in cooling and open in heating D) Open piping systems