Why are the stubs on compressors and filter driers more difficult to braze than copper pipe?

A) It is easy to burn a hole in the compressor or drier shell.
B) They have a thin copper coating that is easily oxidized by overheating.
C) They are difficult to get to.
D) They are typically made of aluminum, which is much harder to braze.


B

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The front wheel bearings are being replaced on a front-wheel-drive vehicle with the wheel bearings pressed into the steering knuckle. Technician A says the vehicle should be driven a short distance in the shop before the front hub nuts are torqued to specifications. Technician B says the hub nut torque supplies the correct wheel bearing adjustment. Who is correct?

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

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Freeze branding kills the ____________________producing cells at the base of the hair follicle and results in white hair growth.

Fill in the blank(s) with the appropriate word(s).

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Viruses are associated with systemic infection

Indicate whether the statement is true or false

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Gridlines are used to _____

a. show changes in topography within a building structure b. indicate that an object has been broken off c. indicate land boundaries on a site plan d. make it easy to refer to specific locations on a plan

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