Technician A says that aluminum brake drums use cast iron friction surfaces. Technician B says that up to 0.030 in. (0.8 mm) should be left after machining a drum to allow for wear. Which technician is correct?

A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B


C

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An OBD-II system interprets a disconnected spark plug as a misfire that could damage the three-way catalyst. The ECM or PCM will most likely trigger the malfunction indicator lamp (MIL) on the _______ trip.

A. third B. fourth C. second D. first

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People opposed to animal use in research contend that computer models and cultures are better options

Indicate whether the statement is true or false

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Climate-controlled seats are being discussed. Technician A says a Peltier element can be used to either heat or cool the airflow as it passes through the controller. Technician B says the system may rely on several modules to perform their functions. Who is correct?

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

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What is the RMS value of an AC voltage that has a 480 V peak?

A. 278.72 V B. 305.76 V C. 339.46 V D. 453.53 V

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