The correct answer is: C. Spandrel beam
A spandrel beam is a horizontal structural member that supports the weight of a wall and the floor above it. It is typically located at the edge of a building, where the wall meets the floor. Spandrel beams are often made of steel or concrete, and they can be either solid or open-webbed.
A stringer beam is a horizontal structural member that supports the weight of a floor. It is typically located between two columns, and it runs parallel to the joists. Stringer beams are often made of wood or steel, and they can be either solid or open-webbed.
A lintel beam is a horizontal structural member that supports the weight of a wall above an opening, such as a door or window. It is typically located above the opening, and it spans the width of the opening. Lintel beams are often made of wood, steel, or concrete.
A header beam is a horizontal structural member that supports the weight of a wall above a door or window opening. It is typically located above the opening, and it spans the width of the opening. Header beams are often made of wood, steel, or concrete.
In conclusion, a steel beam supporting loads from the floor slab as well as from wall is termed as a spandrel beam.