?The unit of measure of electrical power is ____________.

A. ?Volts
B. ?Amps
C. ?Watts


Answer: C

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With primary resistor starters, the motor starts at a ____ power factor than with other starting methods.

a. much lower b. slightly lower c. slightly higher d. much higher

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Most manual plasma arc cutting speeds are around ____ in. per minute. Any faster and it would be difficult for you to accurately follow the line.

A. 10 B. 14 C. 18 D. 20

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A certain chemical process is run 10 times at a temperature of 65°C and 10 times at a temperature of 80°C. The yield at each run was measured as a percent of a theoretical maximum. The data are presented in the following table.



a. For each temperature, estimate the mean yield and find the uncertainty in the estimate.
b. Estimate the difference between the mean yields at the two temperatures, and find the uncertainty in the estimate.

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TOR is a hazard-analysis strategy for preventing accidents before they occur

Indicate whether the statement is true or false

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