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
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).
Viruses are associated with systemic infection
Indicate whether the statement is true or false
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