What does a transformer do?
A) Transforms AC current to DC current
B) Changes an electrical signal into a mechanical action
C) Transforms DC current to AC current
D) Increases or decreases incoming voltage
D
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Which of the following refrigerants is considered an HFC-type of refrigerant?
A. R-134a. B. R-12. C. R-22. D. R-11.
Technician A says that with self-adjusting clutch systems, the release bearing constantly rotates. Technician B says the ball bearing portion of the release bearing should be lubricated with high temperature grease during routine maintenance. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
The prefix milli (m) means one-millionth
Indicate whether the statement is true or false
Analog circuits are also called logic circuits
Indicate whether the statement is true or false