What is the purpose of the harmonic balancer?
What will be an ideal response?
The purpose is to dampen torsional vibrations that could result in a broken crankshaft.
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The schematic symbol for an LED is the same as that of a diode with the addition of a(n) _____.
a. arrow pointing toward the diode b. arrow pointing away from the diode c. positive sign at the base of the triangle d. negative sign at the base of the triangle
?If non-roller lifters will be used again, what caution is necessary?
What will be an ideal response?
A split system's data plate is useful because:
A) The factory charge is shown on the data plate. B) It provides instructions for proper evacuation of the refrigeration system. C) The detailed procedure for charging a new split system can be found it. D) It always shows how much refrigerant to add or subtract.
A diode is tested with an ohmmeter. The ohmmeter indicates a reading of 4 W regardless of which way the ohmmeter leads are connected. The diode is probably ____.
A. okay B. open C. shorted D. a zener