A normally closed set of relay contacts will close when:
A) Power is not applied to the contacts. B) Power is applied to the relay coil.
C) Power is not applied to the relay coil. D) Power is applied to the contacts.
C
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What will be an ideal response?
A three-way switch has one terminal, called the common terminal, to which the ____________________ is always connected.
Fill in the blank(s) with the appropriate word(s).
What is the chemical used to reduce the amount of water plants lose through transpiration?
a. transpirants c. systemics b. antiperspirants d. antitranspirants
A soaking period at high temperature is needed to:
A) Insure a complete mixture of austenite before quenching B) Convert a shallow hardening steel into a deeper hardening steel C) Completely carburize the surface of the metal so it will fully harden when quenched D) Complete the dispersion of carbon atoms and equalize internal temperature