Soft copper tubing can be joined by:

A) Flare fittings. B) Compression fittings.
C) Brazing, soldering, flaring, or compression. D) Soldering and brazing.


C

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Before any threading operations are performed, the _____ should be checked.

a. level of the thread cutting oil b. wheel c. primer screw d. direction of rotation

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An external type tooth lock washer:

A) Is used only with 82 degree flat head screws B) Provides the same friction as an internal tooth lock washer C) Provides less friction than an internal tooth lock washer D) Provides more friction than an internal tooth lock washer

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According to the text, what gas can disable the catalyst if it contaminates the PEM fuel cell?

A) N2O B) CO C) CO2 D) NOx

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ASE-Style Multiple Choice While having a discussion, Technician A says that computer memory is the portion of the computer that directs the sequence of operations by electrical signals and governs the actions of the units that make up the computer. Technician B says that the system software is responsible for these activities. Who is correct?

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

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