Technician A says that HEV compressors may be both electrically and belt driven. Technician B says that scroll type A/C compressors contain rotating scrolls to pressurize the refrigerant. Which technician is correct?

A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician


A) Technician A only

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Harmonic balancers should be hammered into place using the correct size driver.

Answer the following statement true (T) or false (F)

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Refer to Exercise 8.

a. Find a 98% lower confidence bound for the mean time. b. Someone says that the mean time is greater than 134.3 minutes. With what level of confidence can this statement be made?

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Automotive battery electrolyte contains a large percentage of what substance?

A) Water B) Potassium phosphate C) Sulfuric Acid D) None of these

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Two technicians are discussing testing MAP sensors. Technician A says that the MAP sensor voltage on a General Motors vehicle at idle should be about 1 volt. Technician B says that the MAP sensor frequency on a Ford vehicle at idle should be about 105—108 Hz. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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