Once the ferrule has been installed on a copper tube, it _____

A) cannot be removed without cutting
B) can be removed with a ferrule wedge
C) can be removed with a slight squeeze with pliers
D) can be removed with an adapter for the flaring tool


Answer: A

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Technicians should remember that AC power can be converted to DC power through use of components called:

A) Modulators. B) Rectifiers. C) Inverters. D) Transistors.

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Which of the following serial data interfaces can support a maximum of ten receivers on one line?

A) RS422 B) RS232 C) RS485 D) None of the above

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An ADC error of 1 LSB is its resolution or ________ error

Fill in the blank(s) with correct word

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Which of the following is NOT an activity of physical supply/distribution?

A) warehousing B) transportation C) factory inventory D) packaging E) material handling

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