While having a discussion, Technician A says that normal head bolt torque values have a calculated safety factor of about 25% less than the maximum amount a bolt can be torqued without becoming permanently stretched. Technician B says that the safety factor is about 5%. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct. Normal head bolt torque values are designed to have a safety factor of about 25% less than the maximum amount a bolt can be torqued without becoming permanently stretched. This is to ensure that the bolt remains under its elastic limit and does not experience permanent deformation or failure. Technician B is incorrect in stating that the safety factor is about 5%.

While Having a Discussion, Technician a Says That Normal Head