Objective Questions on Shear Force and Bending Moment. Multiple Choice Questions (MCQ) on Bending Force and Bending Moment.
1- The failure theory for which graphical representation is by an ellipse, is
(A) Distortion energy theory
(B) Maximum principal stress theory
(C) Maximum shear stress theory
(D) Mohr’s theory of failure
2- Modulus of toughness is the area of the stress-strain diagram upto
(A) Rupture Point
(B) Yield Point
(C) Limit of Proportionality
(D) Ultimate Point
3- Maximum shear stress for a rectangular shaft subjected to torsion occurs at
(A) Corner of the section
(B) Centroid of the section
(C) Centre point of the shorter side
(D) Centre point of the longer side
4- The moment diagram for a cantilever whose free end is subjected to a bending moment will be a
(A) Triangle
(B) Rectangle
(C) Parabola
(D) Cubic parabola
5- If the applied load passes through the shear centre of the beam section, then
(A) Bending will not occur
(B) Bending will occur without torsion
(C) Bending will occur with torsion
(D) There will be neither bending nor torsion
6- According to the maximum shear stress failure criterion, yielding in material occurs when
(A) Maximum shear stress = yield stress
(B) Maximum shear stress = half of yield stress
(C) Maximum shear stress = 2 x yield stress
(D) Shear strain crosses the limit of proportionality
7- Shear Centre of a Tee section is located
(A) at the centroid of Tee section
(B) at the centre of the web of Tee section
(C) in the flange of Tee section
(D) outside the flange of Tee section
8- A beam of uniform strength has at every cross-section same
(A) bending moment
(B) bending stress
(C) deflection
(D) stiffness
9- Which of the following is also known as Method of Least Work?
(A) First theorem of Moment Area Method
(B) Second theorem of Moment Area Method
(C) Castigliano’s First theorem
(D) Castigliano’s Second theorem
10- Which of the following is NOT an example of Indeterminate Structures?
(A) Fixed Beam
(B) Continuous Beam
(C) Two-hinged Arch
(D) Beam overhanging on both sides
11- When subjected to downward UDL throughout the span, which of the following beams gives the least value for maximum hogging moment anywhere in the beam?
(A) Propped Cantilever Beam
(B) Fixed Beam
(C) Overhanging beam having quarter span as overhang on both the sides
(D) Simply Supported Beam
12- A doubly reinforced beam is recommended when
(A) the width of beam is restricted
(B) the depth of beam is restricted
(C) the Shear force is very high
(D) the Bending moment is very high
13- If a cantilever of length (l) carries a point load (W) at the free end, then bending moment diagram will be a
(A) Parabola with maximum ordinate at the centre of the beam
(B) Parabola with maximum ordinate at the cantilever end
(C) Triangle with maximum ordinate at the free end
(D) Triangle with maximum ordinate at the fixed end
14- Shear span is defined as the zone where the
(A) bending moment is constant
(B) shear force is constant
(C) bending moment is zero
(D) shear force is zero
15- A beam of uniform strength is the one that has the same
(A) Bending stress at every section
(B) Deflection throughout the beam
(C) Bending moment throughout the beam
(D) Same cross-section throughout the beam
ANSWERS:
1-(A), 2-(A), 3-(D), 4-(B), 5-(B), 6-(B), 7-(C), 8-(B), 9-(D), 10-(D), 11-(D), 12-(B), 13-(D), 14-(B), 15-(A)