Answer :
Final answer:
Technician A is incorrect about the use of a dial indicator for measuring brake pad thickness, as that is typically done with a thickness gauge. Technician B is correct that a bench brake lathe is used to machine drums and rotors. Therefore, the correct answer is that only Technician B is correct.
Explanation:
Understanding Technician A and Technician B
In automotive repair, measuring equipment and machining tools are essential for maintaining safety and performance. Technician A says that a dial indicator is used to measure the thickness of brake pad linings. This statement is not entirely correct, as a dial indicator is generally used to measure precise movements or distances, such as run-out and alignment, whereas a thickness gauge is the more appropriate tool for measuring brake pad thickness.
On the other hand, Technician B claims that a bench brake lathe is used to machine drums and rotors. This statement is correct, as a bench brake lathe is designed specifically for this purpose, allowing technicians to resurface brake drums and rotors to ensure even contact and proper function.
Conclusion
Therefore, the answer to the question of who is correct is Technician B only (option b). This highlights the importance of using the right tools for specific measurement and machining tasks in automotive service.
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