How can a technician determine a major component failure on a mid-efficiency furnace?
A) The unit owner must accurately describe how the unit is operating to diagnose component failure.
B) The technician must examine each component to ensure it is operating properly.
C) The technician can use the self-testing feature on the control box.
D) The technician can send the control box to the manufacturer.
C
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Mineral wool is _____.
a. acidic b. a skin irritant c. flammable d. electrically conductive
A(n) ____________________ is a copper braid with dried flux included in the braid.
Fill in the blank(s) with the appropriate word(s).
Which of the following is the most market distorting relative to the free market:
a. Marketing loan. b. Mandatory production controls. c. Price supports. d. Countercyclical payments. e. Decoupled fixed payments. f. Non recourse loan.
Examples of personal protective devices include:
A) Ear plugs B) Hard hat C) Dust respirator D) All of the above