The microprocessor control board in a packaged heat pump has the correct inputs and outputs to energize
the reversing valve, but the valve does not energize. What is the next logical step in the troubleshooting
process?
a. Replace the control board
b. Check the control board further for defects
c. Check the reversing valve coil
d. Replace the reversing valve
c
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A ____ plug is a type of plug that has one prong longer than the other so it can only be inserted into an outlet in one way.
a. polarized b. non-polarized c. abnormal d. regular
The ____________________ process deforms a workpiece by pressing it with a great deal of force between two preshaped molds, or dies.
Fill in the blank(s) with the appropriate word(s).
The ____ speed of an electric induction motor is the speed at which the magnetic field rotates around the stator.
a. synchronous b. asynchronous c. split-phase d. distributed
Turbochargers are driven by _____.
A. belt B. coolant flow C. exhaust flow D. electric