(A) there is no horizontal tie beam (X)
(B) there is a horizontal tie at the feet of rafters only (X)
(C) there is a horizontal tie at almost the middle of rafters only ()
(D) there are two horizontal ties, one at the feet and other at the middle of the rafters (X)
Answers: In a colar beam roof there is a horizontal tie at almost the middle of rafters only.