____________________ are required in automatic controls to transmit varying conditions in one circuit in order to influence the operation of other devices in the same or another electrical circuit.
Fill in the blank(s) with the appropriate word(s).
Contactors
Relays
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Beside maintaining pressure on the contacts for current carrying capacity, the pressure springs have a second important function. This is to ____.
A. keep the contacts in line B. help obtain equal contacts against the stationary contacts C. slow down the pull of the armature into place to reduce the noise D. increase the power required to close the contacts
Many potting mixes, called ____________________, contain no soil at all but they still provide the
same chemical and physical properties of regular soil.
Fill in the blank(s) with the appropriate word(s).When done correctly, _____ can provide communication researchers with valuable insights into how messages are communicated
a. analytical review b. content review c. content analysis d. survey review
What is needed before a change can be made to a print?
What will be an ideal response?