Pillow block bearings or hanger bearings usually come sealed.
Answer the following statement true (T) or false (F)
True
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The _____ has steel rods imbedded in and running lengthwise throughout for extra strength.
A. concrete block lintel B. angle iron C. bond beam lintel D. reinforced beam
Which is least flexible for adding or changing zones after installation?
A) Multiple zone VAV. B) Dual duct VAV. C) VAV Multizone. D) PTAC. E) Fan coils.
If you did not have factory instructions on setting the cut-out of a high pressure control, which of the following would most likely be acceptable for the outdoor unit you are working on?
a. Set the cut-out at 400 psig. b. Set the cut-out at a pressure equivalent to a 155° condensing temperature for that refrigerant. c. Set the cut-out at a pressure equivalent to 30° above the highest ambient the unit will probably encounter. d. Use the maximum setting on the high pressure control you plan to use.
A vehicle being inspected under an OBD-II testing program and the MIL is ON. What will be the results of the inspection?
A) The vehicle will pass the test B) The vehicle will receive an 80% pass rate C) The vehicle will fail the test D) None of these