A helix coil is used in some applications to sense temperature in a moving air stream.
Answer the following statement true (T) or false (F)
True
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____________________ are materials that can convert mechanical energy to electrical energy when pressure is applied or can convert electrical energy to mechanical energy when a voltage is applied.
Fill in the blank(s) with the appropriate word(s).
____ is the elapsed time between the instant a deviation of the controlled variable occurs, and the corrective action begins.
A. Time lag B. Dynamic response C. Dead time D. Pure lag
The symbols for section views and the symbols for detail drawings are similar in appearance and the format but have one significant difference.
Answer the following statement true (T) or false (F)
___________ always appear in pairs, one above and one below the carrier
A. Side frequencies B. Occupied bandwidths C. Waveforms D. Carrier nulls