Final answer:
Tech A and Tech B are correct. Torque-to-yield head bolts provide a more uniform clamping force compared to conventional head bolts. These bolts are tightened to a specific torque and then further tightened by rotating them a certain number of degrees.
Step-by-step explanation:
While discussing torque-to-yield head bolts, Tech A says compared to conventional head bolts, torque-to-yield bolts provide a more uniform clamping force. Tech B says torque-to-yield bolts are tightened to a specific torque and then rotated tight a certain number of degrees.
Both Tech A and Tech B are correct. Torque-to-yield head bolts are designed to stretch when tightened, providing a more uniform clamping force. These bolts are tightened to a specific torque and then further tightened by rotating them a certain number of degrees.