As the temperature surrounding a self-regulating heating cable decreases, the _____.
a. conductive core or fibers expand
b. electrical resistance increases
c. electrical current decreases
d. electrical resistance decreases
d. electrical resistance decreases
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Input accessories receive and transmit information to the logic section of the control, such as a relay or ____.
a. amplifier b. transistor c. contactor d. starter
How can the tailstock be measured for offset?
A) With a special gaging fixture B) By using a rule to measure the distance between dead centers and ways C) With a micrometer caliper or an offset gage D) With a dial indicator, a rule, a toolholder and micrometer dial
The L action qualifier letter ________
A) Is called time-limited action B) Makes the action true when the step becomes active C) Uses the internal timer in the action block D) All of the above
Elevations are a group of drawings that show the , and the vertical relationships of a structure:
A. exterior shape B. finishes C. vertical relationships of a structure D. all of the above E. none of the above