MCQOPTIONS
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MCQOPTIONS
This section includes 392 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called______________? |
| A. | Stiffness |
| B. | Proof resilience |
| C. | Proof stress |
| D. | Proof load |
| Answer» C. Proof stress | |
| 52. |
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 |
| Answer» E. | |
| 53. |
The stiffness of the close coil helical spring is_________________? |
| A. | d4N/8D3n |
| B. | d4N/4D3n |
| C. | 4D3N/d4n |
| D. | 8D3N/d4n |
| Answer» B. d4N/4D3n | |
| 54. |
The shape factor of standard rolled beam section varies from_______________? |
| A. | 1.10 to 1.20 |
| B. | 1.20 to 1.30 |
| C. | 1.30 to 1.40 |
| D. | 1.40 to 1.50 |
| Answer» B. 1.20 to 1.30 | |
| 55. |
The S.F. diagram of a loaded beam shown in the given figure is that of________________? |
| A. | A simply supported beam with isolated central load |
| B. | A simply supported beam with uniformly distributed load |
| C. | A cantilever with an isolated load at the free end |
| D. | A cantilever with a uniformly distributed load |
| Answer» E. | |
| 56. |
The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is__________________? |
| A. | 1/4 |
| B. | 1/2 |
| C. | 1 |
| D. | 2 |
| Answer» E. | |
| 57. |
The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is________________? |
| A. | 1/8 |
| B. | 1/10 |
| C. | 1/12 |
| D. | 1/16 |
| Answer» E. | |
| 58. |
The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is___________________? |
| A. | 1/8 |
| B. | 1/4 |
| C. | 1/2 |
| D. | 1/3 |
| Answer» D. 1/3 | |
| 59. |
The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is_______________? |
| A. | 1/2 |
| B. | 2/3 |
| C. | 1/4 |
| D. | 1/3 |
| Answer» C. 1/4 | |
| 60. |
The ratio of the deflections of the free end of a cantilever due to an isolated load at 1/3rd and 2/3rd of the span, is________________? |
| A. | 1/7 |
| B. | 2/7 |
| C. | 3/7 |
| D. | 2/5 |
| Answer» C. 3/7 | |
| 61. |
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 |
| Answer» E. | |
| 62. |
The ratio of shear stress and shear strain of an elastic material, is________________? |
| A. | Modulus of Rigidity |
| B. | Shear Modulus |
| C. | Modulus of Elasticity |
| D. | Both A. and B |
| Answer» E. | |
| 63. |
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 |
| Answer» E. | |
| 64. |
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 |
| Answer» E. | |
| 65. |
The ratio of maximum and average shear stresses on a rectangular section, is________________? |
| A. | 1 |
| B. | 1.25 |
| C. | 1.5 |
| D. | 2.5 |
| Answer» D. 2.5 | |
| 66. |
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 |
| Answer» D. Plastic ratio | |
| 67. |
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 |
| Answer» E. | |
| 68. |
The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due to flowing liquid, is__________________? |
| A. | ½ |
| B. | 1 |
| C. | 1½ |
| D. | 2 |
| Answer» E. | |
| 69. |
The radius of gyration of a rectangular section (depth D, width B) from a centroidal axis parallel to the width is__________________? |
| A. | D/2 |
| B. | D/√3 |
| C. | D/2√3 |
| D. | D/4√3 |
| Answer» D. D/4√3 | |
| 70. |
The point of contraflexure is the point where_______________? |
| A. | B.M. changes sign |
| B. | B.M. is maximum |
| C. | B.M. is minimum |
| D. | S.F. is zero |
| Answer» B. B.M. is maximum | |
| 71. |
The moment of inertia of a triangular section (height h, base b) about its base, is_______________? |
| A. | bh²/12 |
| B. | b²h/12 |
| C. | bh3/12 |
| D. | b3h/12 |
| Answer» D. b3h/12 | |
| 72. |
The moment of inertia of a circular section about any diameter D, is______________? |
| A. | πd3/16 |
| B. | πd3/32 |
| C. | πd4/32 |
| D. | πd4/64 |
| Answer» E. | |
| 73. |
The maximum magnitude of shear stress due to shear force F on a rectangular section of area A at the neutral axis, is__________________? |
| A. | F/A |
| B. | F/2A |
| C. | 3F/2A |
| D. | 2F/3A |
| Answer» D. 2F/3A | |
| 74. |
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 |
| Answer» E. | |
| 75. |
The maximum deflection due to a uniformly distributed load w/unit length over entire span of a cantilever of length l and of flexural rigidly EI, is_________________? |
| A. | wl3/3EI |
| B. | wl4/3EI |
| C. | wl4/8EI |
| D. | wl4/12EI |
| Answer» D. wl4/12EI | |
| 76. |
The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is_____________? |
| A. | WL²/2EI |
| B. | WL²/3EI |
| C. | WL3/2EI |
| D. | WL3/3EI |
| Answer» E. | |
| 77. |
The maximum B.M. due to an isolated load in a three hinged parabolic arch, (span l and rise h) having one of its hinges at the crown, occurs on either side of the crown at a distance_______________? |
| A. | l/4 |
| B. | h/4 |
| C. | l/2√3 |
| D. | l/3√2 |
| Answer» D. l/3√2 | |
| 78. |
The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is_________________? |
| A. | WI/2 |
| B. | WI²/4 |
| C. | WI²/8 |
| D. | WI²/12 |
| Answer» D. WI²/12 | |
| 79. |
The locus of the moment of inertia about inclined axes to the principal axis, is______________? |
| A. | Straight line |
| B. | Parabola |
| C. | Circle |
| D. | Ellipse |
| Answer» E. | |
| 80. |
The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is________________? |
| A. | Circle |
| B. | Parabola |
| C. | Ellipse |
| D. | Straight line |
| Answer» D. Straight line | |
| 81. |
The locus of reaction of a two hinged semi-circular arch, is_________________? |
| A. | Straight line |
| B. | Parabola |
| C. | Circle |
| D. | Hyperbola |
| Answer» B. Parabola | |
| 82. |
The load on a spring per unit deflection, is called______________? |
| A. | Stiffness |
| B. | Proof resilience |
| C. | Proof stress |
| D. | Proof load |
| Answer» B. Proof resilience | |
| 83. |
The horizontal thrust on the ends of a two hinged semicircular arch of radius carrying_________________? |
| A. | A uniforml 4/3 |
| B. | end, is |
| C. | All the above |
| D. | non of these |
| Answer» D. non of these | |
| 84. |
The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with a uniformly distributed load l t per horizontal length is (where Ic is the M.I. at the crown, which varies as the slope of the arch)___________________? |
| A. | 50/EIc |
| B. | 100/EIc |
| C. | 150/EIc |
| D. | 200/EIc |
| Answer» E. | |
| 85. |
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 |
| Answer» E. | |
| 86. |
The general expression for the B.M. of a beam of length l is the beam carries M = (wl/2) x – (wx²/2)_______________? |
| A. | A uniformly distributed load w/unit length |
| B. | A load varying linearly from zero at one end to w at the other end |
| C. | An isolated load at mid span |
| D. | None of these |
| Answer» B. A load varying linearly from zero at one end to w at the other end | |
| 87. |
The forces in the members of simple trusses, may be analysed by________________? |
| A. | Graphical method |
| B. | Method of joints |
| C. | Method of sections |
| D. | All the above |
| Answer» E. | |
| 88. |
The forces acting normally on the cross section of a bar shown in the given figure introduce_______________? |
| A. | Compressive stress |
| B. | Tensile stress |
| C. | Shear stress |
| D. | None of these |
| Answer» B. Tensile stress | |
| 89. |
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 |
| Answer» D. None of these | |
| 90. |
The forces acting normally on the cross section of a bar shown in the given figure introduce_____________? |
| A. | Compressive stress |
| B. | Tensile stress |
| C. | Shear stress |
| D. | None of these |
| Answer» C. Shear stress | |
| 91. |
The force in EC of the truss shown in the given figure, is__________________? |
| A. | Zero |
| B. | 5t tension |
| C. | 5t compression |
| D. | 4t tension |
| Answer» D. 4t tension | |
| 92. |
The force in CD of the truss shown in given figure, is________________? |
| A. | 3t compression |
| B. | 3t tension |
| C. | Zero |
| D. | 1.5t compression |
| Answer» D. 1.5t compression | |
| 93. |
The force in BF of the truss shown in given figure, is_______________? |
| A. | 4t tension |
| B. | 4t compression |
| C. | 4.5t tension |
| D. | 4.5t compression |
| Answer» E. | |
| 94. |
The force in BC of the truss shown in the given figure, is___________________? |
| A. | 3.0 t compression |
| B. | 3.0 t tension |
| C. | t tension |
| D. | t compression |
| Answer» D. t compression | |
| 95. |
The force in AD of the truss shown in given figure, is________________? |
| A. | 4.0t compression |
| B. | 3.0t compression |
| C. | 0.5t compression |
| D. | 0.5t tension |
| Answer» D. 0.5t tension | |
| 96. |
The force in AC of the truss shown in the given figure, is_________________? |
| A. | 5t tension |
| B. | 4t tension |
| C. | 4t compression |
| D. | 5t compression |
| Answer» C. 4t compression | |
| 97. |
The equivalent length of a column of length L having one end fixed and the other end free, is______________? |
| A. | 2L |
| B. | L |
| C. | L/2 |
| D. | L |
| Answer» B. L | |
| 98. |
The equivalent length of a column of length L, having both the ends hinged, is_______________? |
| A. | 2L |
| B. | L |
| C. | L/2 |
| D. | L |
| Answer» C. L/2 | |
| 99. |
The equivalent length is of a column of length having both the ends fixed, is_________________? |
| A. | 2 L |
| B. | L |
| C. | L/2 |
| D. | L |
| Answer» D. L | |
| 100. |
The eccentricity (e) of a hollow circular column, external diameter 25 cm, internal diameter 15 cm for an eccentric load 100 t for non-development of tension, is__________________? |
| A. | 2.75 cm |
| B. | 3.00 cm |
| C. | 3.50 cm |
| D. | 4.25 cm |
| Answer» E. | |