The type of joint commonly used at the junction of a principal rafter and tie beam in timber trussess is__________________?

(A) mortise and tennon joint (X)
(B) oblique mortise and tennon joint ()
(C) butt joint (X)
(D) mitred joint (X)

Answers: The type of joint commonly used at the junction of a principal rafter and tie beam in timber trussess is oblique mortise and tennon joint.