What is the function of a transducer?
A. Displays waveforms in the time domain
B. Converts energy from one form to another
C. Allows for spectrum analysis to be accomplished relatively easily in software
D. Supplies test signal at the input of a circuit
B
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The mechanical drawing sheet identified by the letter ____ is 11" by 17".
A. A B. B C. D D. E
The letters inside the triangles in Figure 2 represent the _____.
a. receptacle types
b. fixture types
c. placement of smoke detectors
d. amount of revisions on the drawing
Lengthy duct runs will have a __________ effect on the operation of the air conditioning system.
A. long-term B. negative C. positive D. short-term
The two air flow patterns for cooling towers are ____________________ and ____________________.
Fill in the blank(s) with the appropriate word(s).