MCQOPTIONS
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MCQOPTIONS
This section includes 948 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Shear stress on principal planes is |
| A. | zero |
| B. | maximum |
| C. | minimum |
| D. | none of the above |
| Answer» B. maximum | |
| 52. |
A simply supported beam of length 1 carries a load varying uniformly from zero at left end to maximum at right end. The maximum bending moment occurs at a distance of |
| A. | 1/V3 from left end |
| B. | 1/3 from left end |
| C. | 1/V3 from right end |
| D. | 1/3 from right end |
| Answer» B. 1/3 from left end | |
| 53. |
modulus of elasticity for rubber is ……than that for steel. |
| A. | larger than |
| B. | equal to |
| C. | smaller than |
| D. | any of the above |
| Answer» D. any of the above | |
| 54. |
For an isotropic, homogeneous and elastic material obeying Hooke's law, number ofindependent elastic constants is |
| A. | 2 |
| B. | 3 |
| C. | 9 |
| D. | 1 |
| Answer» B. 3 | |
| 55. |
A fletched beam is used to |
| A. | Change the shape of the beam |
| B. | Effect the saving in material |
| C. | Equalize the strength in tension and compression |
| D. | Increase the cross-section of the beam |
| Answer» D. Increase the cross-section of the beam | |
| 56. |
The elongation of a conical bar under its own weight is equal to |
| A. | that of a prismatic bar of same length |
| B. | one half that of a prismatic bar of same length |
| C. | one third that of a prismatic bar of same length |
| D. | one fourth that of a prismatic bar of same length |
| Answer» D. one fourth that of a prismatic bar of same length | |
| 57. |
Buckling load for a given column depends upon |
| A. | length of column only |
| B. | least lateral dimension only |
| C. | both length and least lateral dimension |
| D. | none of the above |
| Answer» D. none of the above | |
| 58. |
A linear arch has |
| A. | normal thrust only |
| B. | shear force only |
| C. | bending moment only |
| D. | normal thrust and shear force |
| Answer» B. shear force only | |
| 59. |
10. A tensile material is having Young’s modulus 2.1 x105 N/mm2 and modulus of Rigidity is 0.82 x105 N/mm2. The value of Bulk Modulus is .. |
| A. | 1.4 x105 n/mm2 |
| B. | 1.6 x105 n/mm2 |
| C. | 1.81 x105 n/mm2 |
| D. | 1.5 x105 n/mm2 |
| Answer» C. 1.81 x105 n/mm2 | |
| 60. |
An aluminum member is designed based on |
| A. | yield stress |
| B. | elastic limit stress |
| C. | proof stress |
| D. | ultimate stress |
| Answer» B. elastic limit stress | |
| 61. |
……….represents the resistance developed by a unit area of cross section. |
| A. | unit stress |
| B. | total stress |
| C. | either of above |
| D. | all of above |
| Answer» B. total stress | |
| 62. |
The elongation of circular tapered rod is given by…………. Where P=axial pulland d1, d2= diameters at two ends. |
| A. | 4pl/πed1d2 |
| B. | 2pl/πed1d2 |
| C. | 4pl/ed1d2 |
| D. | 4p2l/ed1d2 |
| Answer» B. 2pl/πed1d2 | |
| 63. |
Rate of change of bending moment is equal to |
| A. | shear force |
| B. | deflection |
| C. | slope |
| D. | rate of loading |
| Answer» E. | |
| 64. |
Shape of true stress strain curve of material depends upon |
| A. | strain |
| B. | strain rate |
| C. | temperature |
| D. | all of the above |
| Answer» E. | |
| 65. |
Poisson's ratio is defined as ratio of |
| A. | axial strain to transverse strain |
| B. | transverse strain to axial strain |
| C. | shear strain to axial strain |
| D. | axial strain to shear strain |
| Answer» C. shear strain to axial strain | |
| 66. |
Engineering stress strain curve and true stress strain curve are equal up to |
| A. | proportional limit |
| B. | elastic limit |
| C. | yield point |
| D. | tensile strength point |
| Answer» D. tensile strength point | |
| 67. |
The ratio of normal stress of each face of a solid cube to volumetric strain is called |
| A. | poisson's ratio |
| B. | bulk modulus |
| C. | modulus of rigidity |
| D. | modulus of elasticity |
| Answer» C. modulus of rigidity | |
| 68. |
Maximum bending moment in a beam occurs where |
| A. | deflection is zero |
| B. | shear force is maximum |
| C. | shear force is minimum |
| D. | shear force changes sign |
| Answer» E. | |
| 69. |
The ratio of Young's modulus and bulk modulus is given by |
| A. | 3/(1+2γ) |
| B. | 3(1+2γ) |
| C. | 3/(1-2γ) |
| D. | 3(1-2γ) |
| Answer» E. | |
| 70. |
The value of margin of safety is always |
| A. | >1 |
| B. | <1 |
| C. | 0 |
| D. | >0 |
| Answer» E. | |
| 71. |
The value of margin of safety is always__ _. |
| A. | >1 |
| B. | <1 |
| C. | 0 |
| D. | 0 |
| Answer» E. | |
| 72. |
The ratio of width to depth of a strongest beam that can be cut out of a cylindrical log ofwood is |
| A. | 1/2 |
| B. | 1/V2 |
| C. | 1/3 |
| D. | 2/3 |
| Answer» C. 1/3 | |
| 73. |
Due to rise in temperature in a three hinged arch, induced stress is |
| A. | direct compressive |
| B. | direct tensile |
| C. | shear |
| D. | none of the above |
| Answer» E. | |
| 74. |
Slenderness ratio of a 5 m long column hinged at both ends and having a circular crosssection with diameter 160 mm is |
| A. | 31.25 |
| B. | 62.5 |
| C. | 100 |
| D. | 125 |
| Answer» E. | |
| 75. |
Young’s modulus of Elasticity for perfectly rigid body is…. |
| A. | zero |
| B. | unity |
| C. | infinity |
| D. | none of these |
| Answer» D. none of these | |
| 76. |
A rail 20 m long is prevented from expansion at both end . If the temperature is raised by 30 0C, Stress induced in rail is.. E=200 Gpa,α =12x10-6/°C |
| A. | 24 mpa |
| B. | 48mpa |
| C. | 72mpa |
| D. | 94mpa |
| Answer» D. 94mpa | |
| 77. |
A localized compressive stress at the area of contact between two membersis known as ……………..stress. |
| A. | shear |
| B. | crushing |
| C. | bending |
| D. | tensile |
| Answer» C. bending | |
| 78. |
A cantilever beam carries a uniformly distributed load from fixed end to the centre of the beam in the first case and a uniformly distributed load of same inten¬sity from centre of the beam to the free end in the second case. The ratio of deflections in the two cases is |
| A. | 1/2 |
| B. | 3/11 |
| C. | 5/24 |
| D. | 7/41 |
| Answer» E. | |
| 79. |
A short column of external diameter of 250 mm and internal diameter of 150 mm carries an eccentric load of 1000 kN. The greatest eccentricity which the load can have without producing tension anywhere is |
| A. | 20 mm |
| B. | 31.25 mm |
| C. | 37.5 mm |
| D. | 42.5 mm |
| Answer» E. | |
| 80. |
If the depth of a beam of rectangular section is reduced to half, strain energy stored in thebeam becomes |
| A. | 1/4 time |
| B. | 1/8 time |
| C. | 4 times |
| D. | 8 times |
| Answer» E. | |
| 81. |
A steel rod of 3m is manufactured at 250C the temperature of rod is increases to 1250C. If free expansion is 3.6mm, what is the temperature stresses produced if 1.5mm expansion is permitted? |
| A. | 100mpa |
| B. | 200mpa |
| C. | 150mpa |
| D. | 140mpa |
| Answer» E. | |
| 82. |
If D is the diameter of the sphere, then volumetric strain is equal to |
| A. | two times the strain of diameter |
| B. | 1.5 times the strain of diameter |
| C. | three times the strain of diameter |
| D. | the strain of diameter |
| Answer» D. the strain of diameter | |
| 83. |
If a point in a strained material is subjected to equal normal and tangential stresses, then the angle of obliquity is |
| A. | 0° |
| B. | 45° |
| C. | tan"1 (1/2) |
| D. | tan"1 (2) |
| Answer» C. tan"1 (1/2) | |
| 84. |
Proof resilience is the maximum energy stored at |
| A. | limit of proportionality |
| B. | elastic limit |
| C. | plastic limit |
| D. | none of the above |
| Answer» C. plastic limit | |
| 85. |
The diagram showing the variation of axial load along the span is called |
| A. | shear force diagram |
| B. | bending moment diagram |
| C. | thrust diagram |
| D. | influence line diagram |
| Answer» B. bending moment diagram | |
| 86. |
Greater the value of modulus of elasticity more…is the material |
| A. | plastic |
| B. | elastic |
| C. | brittle |
| D. | ductile |
| Answer» C. brittle | |
| 87. |
For any material, the maximum value ofE in terms of G is E = |
| A. | g |
| B. | 2g |
| C. | 3g |
| D. | 2.5g |
| Answer» D. 2.5g | |
| 88. |
A laminated spring is given an initial curvature because |
| A. | it is more economical |
| B. | it gives uniform strength |
| C. | spring becomes flat when it is subjec-ted to design load |
| D. | none of the above |
| Answer» D. none of the above | |
| 89. |
For the stepped rod shown in Fig. 1.3, the stress is maximum in . |
| A. | aluminum |
| B. | copper |
| C. | steel |
| D. | none of these |
| Answer» D. none of these | |
| 90. |
The change in length of a rod of uniform circular cross section was found to be 2 mm for some applied force. The change in length of a rod of the same material and length but of half the diameter subjected to the same force will be Mm |
| A. | 1 |
| B. | 2 |
| C. | 0.5 |
| D. | 4 |
| Answer» E. | |
| 91. |
The radius of wire stretched by a load is doubled, then its Modulus of elasticity will be.. |
| A. | doubled |
| B. | halved |
| C. | becomes 4 times |
| D. | unaffected |
| Answer» E. | |
| 92. |
A long column has maximum crippling load when its |
| A. | both ends are hinged |
| B. | both ends are fixed |
| C. | one end is fixed and other end is hinged |
| D. | one end is fixed and other end is free |
| Answer» C. one end is fixed and other end is hinged | |
| 93. |
The axial force in the portion BC of the member shown in Fig. 1.1 is kN. |
| A. | 50 |
| B. | -50 |
| C. | 40 |
| D. | -40 |
| Answer» E. | |
| 94. |
The effect of arching a beam is |
| A. | to reduce bending moment throughout |
| B. | to increase bending moment throughout |
| C. | to increase shear force |
| D. | to decrease shear force |
| Answer» B. to increase bending moment throughout | |
| 95. |
When a bar is subjected to a change of temperature and its deformation is prevented, which of the following stress is induced? |
| A. | thermal stress |
| B. | shear stress |
| C. | tensile stress |
| D. | compressive stress |
| Answer» B. shear stress | |
| 96. |
The Combined effect of external forces acting on body is called |
| A. | stress |
| B. | strain |
| C. | load |
| D. | none |
| Answer» D. none | |
| 97. |
The work done in producing strain on a material per unit volume is called |
| A. | resilience |
| B. | ductility |
| C. | elasticity |
| D. | plasticity |
| Answer» B. ductility | |
| 98. |
While punching a hole in a metal sheet using a punch, stress is developed in the Punch. |
| A. | normal compressive |
| B. | normal tensile |
| C. | shear |
| D. | lateral |
| Answer» B. normal tensile | |
| 99. |
Two bars of different materials are of the same size and are subjected to same tensile forces. If the bars have unit elongations in the ratio of 4 : 7, then the ratio of moduli of elasticity of the two materials is |
| A. | 7:4 |
| B. | 4:7 |
| C. | 4:17 |
| D. | 16 :49 |
| Answer» B. 4:7 | |
| 100. |
Size of a right angled fillet weld is given by |
| A. | 0.707 x throat thickness |
| B. | 0.414 x throat thickness |
| C. | 2.0 x throat thickness |
| D. | throat thickness |
| Answer» C. 2.0 x throat thickness | |