What is the finish allowance shown at datum B?
Refer to Drawing Number 4190487 R0 and answer the following questions.
.13??
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?CADD drawings are made on ____.
A. ?models B. ?layers C. ?paper D. ?coordinates
When three transformers are connected with their primary windings in delta and their secondary windings in delta, the total connection is called a(n) ____________________ connection.
Fill in the blank(s) with the appropriate word(s).
When ohming components on the system, it is important to:
A) Work quickly before the power comes back on. B) Turn on the power to the unit. C) Make sure the component is still wired in the circuit. D) Turn off the power to the unit.
What is the drawback of emergency heat?
A) The supplemental heat costs more to operate than a heat pump. B) It activates the supplemental heat in the first stage. C) It causes problems with the refrigeration systems. D) The compressor and outdoor fan are not energized.