?Plastics that consist of disconnected hydrocarbon chains are called ____.
A. ?biaxial plastics
B. ?cross links
C. ?thermosets
D. ?thermoplastics
Answer: D
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The temperature ratings of devices such as circuit breakers, fuses, and terminals are found ____.
A. on the nameplate B. in the NEC tables C. in UL product directories D. through individual testing
This steel alloy is used when a tough, strong, nonbrittle material is required.
a. tungsten b. vanadium c. manganese d. molybdenum
The Department of Labor describes the Star Program as being for companies that provide Star-quality worker protection in industries where certain Star requirements can be changed to include these companies as Star participants
Indicate whether the statement is true or false
If there are 60 problems in this unit and a student answers 52 of them correctly, what percentage does the student get correct? Round to the nearest tenth.
A. 80 B. 83.3 C. 86.7 D. 90