UPSC Civil Service Exam Questions - Engineering

Q1:

An elementary structural frame ABC consists of a vertical member BC and a cantilever beam AB which carries a load P at the free end A, as shown in the given figure. The bending moment diagram consists of

A triangle for both AB and BC

B rectangle for both AB and BC

C triangle for AB and rectangle for BC

D rectangle for AB and triangle for BC

ANS:C - triangle for AB and rectangle for BC

Answer is C.

As, for portion AB there is a point load & for portion BC only moment.