A copper tube should not be deburred after cutting when _____

A) a tubing cutter is used
B) the tubing is being used for water piping
C) the tubing is being used for refrigerant piping
D) the resulting particles cannot be removed from the tubing


Answer: D

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A fully charged battery has a high conductance reading, up to ____% of its internal rating.

a. 80 b. 90 c. 100 d. 110

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A car has oil smoke from its exhaust during deceleration. Technician A says that bad valve guide seals could be the cause. Technician B says that worn piston rings could be the cause. Who is right?

A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B

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Plants create oxygen through the process known as:

a. respiration c. transpiration b. phototoxicity d. photosynthesis

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An inert gas will not react with the molten weld puddle

Indicate whether the statement is true or false

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