Correct option is C
Definition of Spandrel Beam:
A spandrel beam is a horizontal beam that is constructed along the exterior wall of a building, typically between the top of one window or wall opening and the floor level above it.
It helps transfer loads from the upper floors and walls to the columns or other structural members.
Why Not Other Options?
(a) Purlin: This is a horizontal beam used in roof structures to support the roof decking or sheeting.
(b) Lintel: This is a horizontal beam placed above door or window openings to support the load above.
(d) Rafter: This is a sloped structural member in roof construction that supports the roof covering.
