Multiple-ply tubing is formed as two ___________ tubes.

A. double-wall
B. single-wall
C. aluminum 
D. Both A and B


Answer: C

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Technician A says bolts are used to attach the wheel cylinder to the backing plate. Technician B says clips are used to attach the wheel cylinder to the backing plate. Which technician is correct?

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The AHRI definition of standard air is:

A) 400 CFM per ton. B) air weighing 0.075 lb/ft3 at 70°F with a barometric pressure of 29.92 in Hg. C) 78% nitrogen, 21% oxygen, and 1% "other" gases. D) air at a temperature of 0°C with a relative humidity of 50%.

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Technician A says that runs or sags are caused by poor surface preparation. Technician B says that poor spraying with too slow a travel speed causes runs and sags. Who is correct?

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

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Two technicians are discussing wheel alignment. Technician A says that wheels that are out of alignment can affect tire wear. Technician B says that many vehicles require heating and bending of components to align them. Who is correct?

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

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