Mastic is a material used to:

A. support fiberboard duct sections
B. join sheet metal duct sections
C. seal fiberboard duct sections
D. seal metal duct sections


Answer: D

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Who is ultimately responsible for personal safety?

A. A government agency B. The shop owner C. The shop manager D. Each technician

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Table 2.21 represents a “total analysis” of wastewater has been reported. Note that the pH is not given.



a. Do a charge balance analysis on the data to see if such a solution would be electrically neutral
b. If H+ and OH- are the only ions missing from the analysis, what must their concentration be? i.e. what is the pH and pOH?

What will be an ideal response?

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Soil that has been transported and deposited by moving water is called

What will be an ideal response?

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An air bag system is being serviced. Tech A says to disconnect the yellow SRS connectors at the front of the vehicle. Tech B says to disconnect and isolate the negative battery cable. Who is right?

a. Technician A b. Technician B c. Both Technicians A and B d. Neither Technician A nor B

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