The internal piston in the reversing valve is moved from one side to the other by:
A) A stepper motor.
B) Pressure difference.
C) A gear motor.
D) Permanent magnets attached to the ends of the piston.
B
You might also like to view...
Estimating the costs and returns for a particular activity is called developing a(n) ____.
A. enterprise B. enterprise budget C. profitability D. corporation
Describe the process of leaching salts from existing media
What will be an ideal response?
Why should the evaporator not be installed above the door in a walk-in cooler or freezer?
A) It will operates constantly. B) It will draw in warm humid air and frost more quickly. C) It may cause problems for the store owner. D) There is no restriction for this location.
When locating holes using positional tolerancing, the location dimensions must be _________.
Fill in the blank(s) with the appropriate word(s).