Building Materials and Construction MCQs

127. Plywood has the advantage of_____________?

A. greater tensile strength in longer direction
B. greater tensile strength in shorter direction
C. same tensile strength in all directions
D. none of the above
✅ The correct answer is option C.

129. In a colar beam roof_______________?

A. there is no horizontal tie beam
B. there is a horizontal tie at the feet of rafters only
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
✅ The correct answer is option C.
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