The 12.6 volt auxiliary battery used in a Toyota Prius is being discussed. Technician A says the battery is used to provide energy to systems other than the drivetrain. Technician B says if the auxiliary battery goes dead, the vehicle will operate normally using the high-voltage battery.. Who is correct?

A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B


Answer: A

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Which of the following is a factor in determining the certification of a process technician?

A) Type of treatment facility B) Municipal or industrial C) Technician's experience and training D) All of the above

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The subsequent problems deal with the circuit shown below. Assume that the diode is ideal (i.e., has a 0V forward bias voltage).If VA=2V and VB=5V, what is the steady state value for voltage VC?

A. 3 V B. 5 V C. 0 D. 2 V E. 7 V

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The article “Soft Drinks Consumption is Associated with Nonalcoholic Fatty Liver Disease Independentof Metabolic Syndrome in Chinese Population” presents the results of a study of soft drink and smoking habits in a sample of adults. Of 11,805 people who said they consume soft drinks weekly, 2527 said they were smokers. Of 14,985 who said they almost never consume soft drinks, 2503 were smokers. Find a 95% confidence interval for the difference between the proportions of smokers in the two groups.

What will be an ideal response?

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What regulates the draft through the heat exchanger and prevents downdrafts from blowing into the heat exchanger on natural draft gas furnaces?

A) The draft regulator B) The barometric damper C) The draft diverter D) The induced draft blower

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