Many transistor controlled variable frequency drives now employ a special type of transistor called an ____ Bipolar Transistor (IGBT).
A. Inductive Gate
B. Inductive Gas
C. Insulated Gas
D. Insulated Gate
Answer: D
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While diagnosing an A/C concern the scan tool reads "Inside Air Temp = 90°" and "Ambient Temp = -38°". Shop temperature is 87°. What should the technician do?
A) Replace the ambient sensor B) Clean the inside air temperature sensor C) Check the ambient sensor and connections D) Move the vehicle outside to warm it up
List the precautions necessary to prevent static electricity damage when replacing a control module.
What will be an ideal response?
Symptoms of an inefficient compressor include:
A) High suction pressure, low discharge pressure, and low amp draw. B) High suction pressure, high discharge pressure, and low amp draw. C) Low suction pressure, low discharge pressure, and high amp draw. D) Low suction pressure, high discharge pressure, and high amp draw.
One type of alternating current motor that can use variable voltage for speed control is the ____________________ or AC series motor.
Fill in the blank(s) with the appropriate word(s).