TYPES OF BEAMS:
CANTILEVER BEAM:A beam fixed at one end and free at the other end is called cantilever beam.
SIMPLY SUPPORTED BEAM:
A beam supported at its both end. One end is hinged support and the other end is roller support.
A beam having its end position extended beyond the support. A beam may be overhanging on one side or on both sides.
FIXED BEAM: A beam whose both ends are fixed.
CONTINUOUS BEAM: A beam supported on more than two supports.
I hope that this article will help you understand about different types of beam.