131. The area of the core of a column of cross sectional area A, is_______________?
A. (1/3) A
B. (1/6) A
C. (1/12) A
D. (1/18) A
✅ The correct answer is option D.
Theory of Structures MCQs
132. The ratio of maximum shear stress to average shear stress of a circular beam, is________________?
A. 2/3
B. 3/2
C. 3/4
D. 4/3
✅ The correct answer is option D.
133. The strain energy due to volumetric strain________________?
A. Is directly proportional to the volume
B. Is directly proportional to the square of exerted pressure
C. Is inversely proportional to Bulk modulus
D. All the above
✅ The correct answer is option D.
134. Pick up the correct statement from the following?
A. A wire wound in spiral form, is called a helical spring
B. The pitch of a close coil spring, is very small
C. The angle made by the coil with horizontal, is called the angle of helix
D. All the above
✅ The correct answer is option D.
135. A cantilever of length is subjected to a bending moment at its free end. If EI is the flexural rigidity of the section, the deflection of the free end, is_________________?
A. ML/EI
B. ML/2EI
C. ML²/2EI
D. ML²/3EI
✅ The correct answer is option D.
136. The greatest load which a spring can carry without getting permanently distorted, is called_________________?
A. Stiffness
B. Proof resilience
C. Proof stress
D. Proof load
✅ The correct answer is option D.
137. Pick up the correct statement from the following ?
A. The moment of inertia is calculated about the axis about which bending takes place
B. If tensile stress is less than axial stress, the section experiences compressive stress
C. If tensile stress is equal to axial stress, the section experiences compressive stress
D. All the above
✅ The correct answer is option D.
138. The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is_________________?
A. 1.0
B. 1.5
C. 2.0
D. 3.0
✅ The correct answer is option D.
139. static equations i.e. H V M = 0, to a determinate structure, we may By applying the determine_________________?
A. Supporting reactions only
B. Shear forces only
C. Bending moments only
D. All the above
✅ The correct answer is option D.
140. The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is______________?
A. WL3/3EL
B. WL3/8EL
C. WL3/24EL
D. WL3/48EL
✅ The correct answer is option D.