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

Trades & Technology

You might also like to view...

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

Trades & Technology

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

Trades & Technology

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

Trades & Technology

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

Trades & Technology