Which of the following is FALSEfor bolted joints?

A

Bolted joints are preloaded to avoid vibration loosening

B

Threads madeby thread rolling process are preferred over machined threadsin bolts

C

When external load is applied to a preloaded bolt joint, a bigger percentage of that load relieves compression of flanges and remaining percentage increases tension in bolts

D

Bolted joints are designed suchthatbolt stiffnessis higher than flange stiffness