Why are diodes included in the feedback paths of some Schmitt triggers?
A) to allow for unequal UTP and LTP values B) to shape the waveform
C) to increase frequency response D) to limit gain
A
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When removing a set of pistons from an engine, which of the following would be normal practice?
A. remove in firing sequence B. remove in companion pairs C. remove from front to back D. remove from back to front
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Indicate whether the statement is true or false
Most vapor charging is done with the compressor operating while charging is taking place; however, liquid charging:
A) Is typically done on smaller systems with the system on. B) Is always done with the compressor off. C) Is always done with the compressor on. D) Can be done either with the system off or operating.
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Answer the following statement true (T) or false (F)