MCQOPTIONS
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MCQOPTIONS
This section includes 439 Mcqs, each offering curated multiple-choice questions to sharpen your SRMJEEE knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The stress necessary to initiate yielding is |
| A. | considerably greater than that necessary to continue it |
| B. | considerably lesser than that necessary to continue it |
| C. | greater than that necessary to stop it |
| D. | lesser than that necessary to stop it |
| Answer» B. considerably lesser than that necessary to continue it | |
| 52. |
The moment of inertia of a body is always minimum with respect to its |
| A. | Base |
| B. | Centroidal axis |
| C. | Vertical axis |
| D. | Horizontal axis |
| Answer» C. Vertical axis | |
| 53. |
Proof resilience per material is known as |
| A. | resilience |
| B. | proof resilience |
| C. | modulus of resilience |
| D. | toughness |
| Answer» D. toughness | |
| 54. |
3.5 m long bar is under tensile load and due to that increase in length of bar is 1.75 mm then strain = |
| A. | 0.0035 |
| B. | 0.0005 |
| C. | 0.002 |
| D. | 0.0175 |
| Answer» D. 0.0175 | |
| 55. |
Positive/negative bending moments occur where shear force changes its sign. |
| A. | Minimum |
| B. | Zero |
| C. | Maximum |
| D. | Remains same |
| Answer» D. Remains same | |
| 56. |
In a cantilever carrying a uniformly varying load starting from zero at the free end, the shear force diagram is |
| A. | A horizontal line parallel to x-axis |
| B. | A line inclined to x-axis |
| C. | Follows a parabolic law |
| D. | Follows a cubic law |
| Answer» D. Follows a cubic law | |
| 57. |
At the point of contraflexure, the value of bending moment is |
| A. | Zero |
| B. | Maximum |
| C. | Can’t be determined |
| D. | Minimum |
| Answer» B. Maximum | |
| 58. |
In a cantilever beam, fibers below the neutral axis are in |
| A. | Tension |
| B. | Shear |
| C. | Compression |
| D. | None |
| Answer» D. None | |
| 59. |
During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area of cross-section at neck was 0.5 cm2. Ultimate tensile strength of specimen is |
| A. | 4 tonnes/cm2 |
| B. | 8 tonnes/cm2 |
| C. | 16 tonnes/cm2 |
| D. | 22 tonnes/cm2 |
| Answer» C. 16 tonnes/cm2 | |
| 60. |
The increase in the length of a bar of length 1 m, area 300 mm2, modulus of elasticity 2×10^5 N/mm2 due to a tensile load of 120 KN is . |
| A. | 1 mm |
| B. | 2mm |
| C. | 3mm |
| D. | 4mm |
| Answer» C. 3mm | |
| 61. |
A beam is a structural member which is subjected to |
| A. | Axial tension or compression |
| B. | Transverse loads and couples |
| C. | Twisting moment |
| D. | No load, but its axis should be horizontal and x-section rectangular or circular |
| Answer» C. Twisting moment | |
| 62. |
A sudden jump anywhere on the Bending moment diagram of a beam iscaused by |
| A. | Couple acting at that point |
| B. | Couple acting at some other point |
| C. | Concentrated load at the point |
| D. | Uniformly distributed load or Uniformly varying load on the beam |
| Answer» B. Couple acting at some other point | |
| 63. |
Point of contra-flexure is also called |
| A. | Point of maximum Shear force |
| B. | Point of maximum Bending moment |
| C. | Point of inflexion |
| D. | Fixed end |
| Answer» D. Fixed end | |
| 64. |
Strain is defined as the ratio of |
| A. | change in volume to original volume |
| B. | change in length to original length |
| C. | change in cross-sectional area to original cross-sectional area |
| D. | any one of the above |
| Answer» C. change in cross-sectional area to original cross-sectional area | |
| 65. |
It equal and opposite forces applied to a body tend to elongate it, the stressso produced is called |
| A. | internal resistance |
| B. | tensile stress |
| C. | transverse stress |
| D. | compressive stress |
| Answer» D. compressive stress | |
| 66. |
In Fig.(a), max B.M. will be |
| A. | 40 kN-m |
| B. | 50 kN-m |
| C. | 60 kN-m |
| D. | 80 kN-m |
| Answer» C. 60 kN-m | |
| 67. |
Resilience of a material is considered when it is subjected to |
| A. | frequent heat treatment |
| B. | fatigue |
| C. | creep |
| D. | shock loading |
| Answer» E. | |
| 68. |
Maximum deflection of a cantilever due to pure bending moment M at its freeend, is |
| A. | ML2/3EI |
| B. | ML2/4EI |
| C. | ML2/6EI |
| D. | ML2/2EI |
| Answer» E. | |
| 69. |
Uniformly varying load between two sections in shear force diagram isrepresented by |
| A. | cubic curve |
| B. | inclined line |
| C. | horizontal line |
| D. | parabolic curve |
| Answer» E. | |
| 70. |
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» E. | |
| 71. |
which of the following is type of stress? |
| A. | tensile stress |
| B. | compressive stress |
| C. | shear stress |
| D. | all of the above |
| Answer» E. | |
| 72. |
At a point in a simply supported or overhanging beam where Shear force changes sign and Bending moment is |
| A. | Maximum |
| B. | Zero |
| C. | Either increasing or decreasing |
| D. | Infinity |
| Answer» B. Zero | |
| 73. |
which of the following has same unit? |
| A. | modulus of elasticity, pressure, stress |
| B. | elasticity, strain, stress |
| C. | pressure, strain, stress |
| D. | modulus of elasticity, strain, modulus of rigidity |
| Answer» B. elasticity, strain, stress | |
| 74. |
Neutral axis of a beam always coincides with |
| A. | Axis passing through bottom of beam |
| B. | Axis passing through height h/2 from bottom |
| C. | Axis passing through height h/3 from bottom |
| D. | Axis passing through centroid |
| Answer» E. | |
| 75. |
What will be the radius of gyration of a circular plate of diameter 10cm? |
| A. | 1.5cm |
| B. | 2.0cm |
| C. | 2.5cm |
| D. | 3.0cm |
| Answer» D. 3.0cm | |
| 76. |
A sudden increase or decrease in shear force diagram between any two points indicates that there is |
| A. | No loading between the two points |
| B. | Point loads between the two points |
| C. | U.D.L. between the two points |
| D. | None of these |
| Answer» E. | |
| 77. |
strain energy stored in a body due to suddenly applied load compared towhen it is applied gradually is |
| A. | same |
| B. | twice |
| C. | four times |
| D. | eight times |
| Answer» D. eight times | |
| 78. |
What will be the variation in BMD for the diagram? [Assume l = 2m]. |
| A. | Rectangular |
| B. | Trapezoidal |
| C. | Triangular |
| D. | Square |
| Answer» D. Square | |
| 79. |
At a point in a simply supported or overhanging beam where Shear force changes sign and = 0, Bending moment is |
| A. | Maximum |
| B. | Zero |
| C. | Either increasing or decreasing |
| D. | Infinity |
| Answer» B. Zero | |
| 80. |
What is the unit of moment of inertia? |
| A. | mm |
| B. | mm2 |
| C. | mm3 |
| D. | mm4 |
| Answer» E. | |
| 81. |
For any part of a beam subjected to uniformly distributed load, bending moment diagram is |
| A. | Horizontal straight line |
| B. | Vertical straight line |
| C. | Line inclined to x-axis |
| D. | Parabola |
| Answer» E. | |
| 82. |
An axial pull of 50 KN is suddenly applied to a steel bar 2 m long and 1000 mm2 in cross-section. If modulus of elasticity is 200 GPa, find strain energy stored in the bar |
| A. | 10,000 N.mm |
| B. | 20,000 N.mm |
| C. | 25,000 N.mm |
| D. | 50,000 N.mm |
| Answer» E. | |
| 83. |
What is the maximum bending moment acting on simply supported beamshown below? |
| A. | 2000 Nm |
| B. | 3000 Nm |
| C. | 4000 Nm |
| D. | 6000 Nm |
| Answer» E. | |
| 84. |
Moment of inertia of a square of side 1 unit about an axis through its center of gravity, is . |
| A. | 1 |
| B. | 1/12 |
| C. | 1/3 |
| D. | 1/4 |
| Answer» C. 1/3 | |
| 85. |
unit of stress is . |
| A. | Pascal |
| B. | Newton |
| C. | N/m2 |
| D. | a and c both |
| Answer» E. | |
| 86. |
A 10 m long cantilever beam is fixed at point B. What is the bending moment at point B, if 5 m span of AC carries uniform distributed load of 10 kN/m |
| A. | 125 kN/m |
| B. | 200 kN/m |
| C. | 375 kN/m |
| D. | 500 kN/m |
| Answer» D. 500 kN/m | |
| 87. |
Bending occurs due to the application of |
| A. | Load parallel to the axis of the beam |
| B. | Load inclined to the axis |
| C. | Load perpendicular to the axis |
| D. | None |
| Answer» D. None | |
| 88. |
What is the formula of theorem of perpendicular axis? |
| A. | Izz = Ixx – Iyy |
| B. | Izz = Ixx + Ah2 |
| C. | Izz – Ixx = Iyy |
| D. | None of the above |
| Answer» D. None of the above | |
| 89. |
The parallel axis theorem gives the moment of inertia ______________ to the surface of considerance. |
| A. | Linear |
| B. | Non-Linear |
| C. | Perpendicular |
| D. | Parallel |
| Answer» D. Parallel | |
| 90. |
Which is more stronger in bending equal area square or circular beam |
| A. | Square beam |
| B. | Circular beam |
| C. | Both are equally strong |
| D. | None |
| Answer» C. Both are equally strong | |
| 91. |
curve is formed due to bending of overhanging beams. |
| A. | Elastic |
| B. | Plastic |
| C. | Flexural |
| D. | Axial |
| Answer» B. Plastic | |
| 92. |
Elongation of a bar of uniform cross section of length „L‟, due to its own weight „W‟ is given by |
| A. | 2WL/E |
| B. | WL/E |
| C. | WL/2E |
| D. | WL/3E |
| Answer» D. WL/3E | |
| 93. |
Rupture stress is |
| A. | breaking stress |
| B. | maximum load/original cross-sectional area |
| C. | load at breaking point/A |
| D. | load at breaking point/neck area |
| Answer» E. | |
| 94. |
The radius of gyration of a squar section is not proportional to |
| A. | square root of the moment of inertia |
| B. | square root of the inverse of the area |
| C. | square root of the moment of inertia divided by area of the section |
| D. | side of squar |
| Answer» E. | |
| 95. |
In a simply supported beam carrying a uniformly distributed load W/m over the left half span, the point of contra flexure will occur in |
| A. | Left half span of the beam |
| B. | Right half span of the beam. |
| C. | Quarter points of the beam |
| D. | Does not exist |
| Answer» E. | |
| 96. |
The maximum strain energy that can be stored in a body is known as |
| A. | impact energy |
| B. | resilience |
| C. | proof resilience |
| D. | modulus of resilience |
| Answer» D. modulus of resilience | |
| 97. |
Shear force is unbalanced to the left or right of the section. |
| A. | Horizontal force |
| B. | Vertical force |
| C. | Inclined force |
| D. | Conditional force |
| Answer» C. Inclined force | |
| 98. |
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» C. Point of contraflexure | |
| 99. |
Young‟s modulus of a material which gives 2 kN/mm2 stress at 0.01 strainis |
| A. | 20kN/mm2 |
| B. | 0.02kN/mm2 |
| C. | 200 kN/mm2 |
| D. | 2000kN/mm2 |
| Answer» D. 2000kN/mm2 | |
| 100. |
In composite section deformation is same in both materials. |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» B. False | |