Mcq for ssc je topic sfd & bmd nad bending moment

1. STRENGTH OF MATERIALS
BY- YOGENDRA KUMAR
LECTURER MECHANICAL ENGG.
9927309540
GLA UNIVERSITY MATHURA
TOPIC- SFD AND BMD, BENDING MOMENT

2. SHEAR FORCE AND BENDING MOMENT DIAGRAM
1. What is the bending moment at end
supports of a simply supported beam?
a) Maximum
b) Minimum
c) Zero
d) Uniform
Answer: c
2.Sagging, the bending moment occurs at
the _____ of the beam.
a) At supports
b) Mid span
c) Point of contraflexure
d) Point of emergence
Answer: b
2. What is the maximum shear force, when a
cantilever beam is loaded with udl
throughout?
a) w×l
b) w
c) w/l
d) w+l
Answer: a
4. What will be the variation in BMD for the
diagram? [Assume l = 2m].
a) Rectangular
b) Trapezoidal
c) Triangular
d) Square
Answer: c

3. SHEAR FORCE AND BENDING MOMENT DIAGRAM
5. What is the maximum bending moment for
simply supported beam carrying a point load
“W” kN at its centre?
a) W kNm
b) W/m kNm
c) W×l kNm
d) W×l/4 kNm
Answer: d
7. ________ curve is formed due to bending of
over hanging beams.
a) Elastic
b) Plastic
c) Flexural
d) Axial
Answer: a
6. How do point loads and udl be represented
in SFD?
a) Simple lines and curved lines
b) Curved lines and inclined lines
c) Simple lines and inclined lines
d) Cant represent any more
Answer: c
8. The relation between slope and maximum
bending moment is _________
a) Directly proportion
b) Inversely proportion
c) Relative proportion
d) Mutual incidence
Answer: b

4. SHEAR FORCE AND BENDING MOMENT DIAGRAM
9. What is the SF at support B?
a) 5 kN
b) 3 kN
c) 2 kN
d) 0 kN
Answer: d
10. Where do the maximum BM occurs for the
below diagram.
a) -54 kNm
b) -92 kNm
c) -105 kNm
d) – 65 kNm
Answer: c
11. A cantilever beam subjected to point load at its
free end, the maximum bending moment develops
at the ________ of the beam.
a) Free end
b) Fixed end
c) Centre
d) Point of inflection
Answer: b
12. Bending moment in a beam is maximum when
the _________
a) Shear force is minimum
b) Shear force is maximum
c) Shear force is zero
d) Shear force is constant
Answer: c

5. SHEAR FORCE AND BENDING MOMENT DIAGRAM
13. Positive bending moment is known as
_______
a) Hogging
b) Sagging
c) Ragging
d) Inflection
Answer: b
15. The maximum BM is ______
a) 40 kNm
b) 50 kNm
c) 90 kNm
d) 75 kNm
Answer: c
14. A simply supported beam of span “x”
meters carries a udl of “w” per unit length over
the entire span, the maximum bending moment
occurs at _____
a) At point of contra flexure
b) Centre
c) End supports
d) Anywhere on the beam
Answer: b
16. Bending moment can be denoted by ____
a) K
b) M
c) N
d) F
Answer: b

6. SHEAR FORCE AND BENDING MOMENT DIAGRAM
17. Number of points of contra flexure for a double
over hanging beam.
a) 3
b) 2
c) 4
d) Infinite
Answer: b
18. Maximum bending moment in a cantilever
beam subjected to udl (w)over the entire span (l).
a) wl
b) wl3
c) wl2
d) w
Answer: c
19. Determine the maximum bending moment
for the below figure.
a) wl/2
b) wl/3
c) wl/4
d) wl
Answer: c
20. What is the variation in the BM, if the simply
supported beam carries a point load at the
centre.
a) Triangular
b) Rectangular
c) Trapezoidal
d) Other quadrilateral
Answer: a