111. The ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is________________?
A. 1
B. 2
C. 3
D. 4
✅ The correct answer is option D.
Theory of Structures MCQs
112. The forces acting on the bar as shown in the given figure introduce________________?
A. Compressive stress
B. Tensile stress
C. Shear stress
D. None of these
✅ The correct answer is option C.
113. Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to___________________?
A. Modulus of rigidity
B. Angle of twist
C. Reciprocal of the length of the shaft
D. Moment of inertia of the shaft section
✅ The correct answer is option D.
114. If a concrete column 200 × 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15 Ec________________?
A. 264 MN
B. 274 MN
C. 284 MN
D. 294 MN
✅ The correct answer is option C.
115. A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be________________?
A. 2/3
B. 3/2
C. 5/8
D. 8/5
✅ The correct answer is option D.
116. The ratio of lateral strain to axial strain of a homogeneous material, is known___________________?
A. Yield ratio
B. Hooke’s ratio
C. Poisson’s ratio
D. Plastic ratio
✅ The correct answer is option C.
117. For calculating the permissible stress 0 y /[(1 + a(l/r)²] is the empirical formula, known as__________________?
A. Straight line formula
B. Parabolic formula
C. Perry’s formula
D. Rankine’s formula
✅ The correct answer is option D.
118. A cantilever of length 2 cm and depth 10 cm tapers in plan from a width 24 cm to zero at its free end. If the modulus of elasticity of the material is 0.2 × 106 N/mm2, the deflection of the free end, is________________?
A. 2 mm
B. 3 mm
C. 4 mm
D. 5 mm
✅ The correct answer is option D.
119. m1 and m2 are the members of two individual simple trusses of a compound truss. The compound truss will be rigid and determinate if__________________?
A. m = m1 + m2
B. m = m1 + m2 + 1
C. m = m1 + m2 + 2
D. m = m + m + 3
✅ The correct answer is option D.
120. The ratio of the area of cross-section of a circular section to the area of its core, is_______________?
A. 4
B. 8
C. 12
D. 16
✅ The correct answer is option D.