Individual voltages appearing across each resistance of a series circuit are known as ____.
a. voltage drops
b. filament drops
c. filament lamps
d. voltage lamps
a. voltage drops
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Toda elevación crítica requiere que el aparejador sepa ______.
a. la altura de la elevación b. el contenido exacto c. el peso de la carga d. la dirección de la elevación
The first medicines used by humans probably came from animals
Indicate whether the statement is true or false
?What is the major purpose of pre- and post-heating cast iron for welding?
A. ?To allow the weld to fuse deeper into the joint. B. ?To control the rate of temperature change. C. ?To reduce the carbon content in the casting around the weld which makes it less brittle. D. ?It helps the weld metal flow more evenly into the crack.
The crucial first step in developing a PLC program is _____
A) testing for safety B) determining what must be accomplished C) selecting the best PLC system D) planning for future expansion