Since metal ions are all positively charged, the object to be plated is connected to the ____.
a. negative wire
b. positive wire
c. node
d. generator
a. negative wire
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An AutoCAD symbol object saved and stored in a drawing file for future use is called a(n):
a. Attribute b. Table c. Block d. Hatch
Personality traits important to employers include being _____
a. positive c. enthusiastic b. responsible d. all answers are correct
The National Center for Health Statistics interviewed5409 adult smokers in 2015, and 2636 of them said they had tried to quit smoking during the past year. Consider this to be a random sample.
a. Find a 95% confidence interval for the proportion of smokers who have tried to quit within the past year. b. Find a 99% confidence interval for the proportion of smokers who have tried to quit within the past year. c. Someone claims that the proportion is less than 0.5. With what level of confidence can this statement be made? d. Find the sample size necessary for a 95% confidence interval to specify the proportion to within±0.01. e. Find the sample size necessary for a 99% confidence interval to specify the proportion to within±0.01.
The terminal and wire resistance values are critical in electric furnaces because the large current draw from the strip heaters
A) causes electro radiation B) causes arcing to ground at connections with a high resistance C) turns even small resistances into heat that accelerates oxidation D) increases if the overall circuit resistance increases