Signal substitution ________
A) can be performed with the system's signal source in place and operating
B) cannot be used for systems with multiple components
C) requires a replacement for the system's signal source
D) cannot be combined with half-splitting
C
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MAG is short for ____.
A. metal arc gas welding B. metal active gas welding C. metal action gas welding D. metal anion gas welding
Hidden lines are usually _______ lines that are thinner than object lines.
Fill in the blank(s) with the appropriate word(s).
AC compressor drive belt tension can be measured by ________
A) Deflection B) Using a belt tension gauge C) Marks on the tensioner D) Any of the above
Why do communicating control boards often have terminals for traditional 24 volt controls?
What will be an ideal response?