MCQOPTIONS
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MCQOPTIONS
This section includes 208 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
A masonry dam (density = 20, 000 N/m³) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be |
| A. | 75 N/m² |
| B. | 750 N/m² |
| C. | 7500 N/m² |
| D. | 75000 N/m² |
| Answer» D. 75000 N/m² | |
| 52. |
In the cable shown in the given figure, the minimum tension occurs at |
| A. | A |
| B. | B |
| C. | C |
| D. | between A and C |
| Answer» D. between A and C | |
| 53. |
If D and d are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 54. |
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 | |
| 55. |
The equivalent length of a column of length L, having one end fixed and other end hinged, is |
| A. | 2L |
| B. | L |
| C. | L/2 |
| D. | L/√2 |
| Answer» E. | |
| 56. |
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. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 57. |
For determining the force in the member AB of the truss shown in the given figure by method of sections, the section is made to pass through AB, AD and ED and the moments are taken about |
| A. | joint C |
| B. | joint B |
| C. | joint D |
| D. | joint A |
| Answer» D. joint A | |
| 58. |
Co-efficient of wind resistance of a circular surface, is |
| A. | 1/2 |
| B. | 1/3 |
| C. | 2/3 |
| D. | 3/2 |
| Answer» D. 3/2 | |
| 59. |
To determine the force in BD of the truss shown in the given figure a section is passed through BD, CD and CE, and the moments are taken about |
| A. | A joint |
| B. | B joint |
| C. | C joint |
| D. | D joint |
| Answer» D. D joint | |
| 60. |
If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 x 10⁵ N/mm²) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm², the angle of twist in radians, is |
| A. | 0.001 |
| B. | 0.002 |
| C. | 0.0025 |
| D. | 0.003 |
| Answer» D. 0.003 | |
| 61. |
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 | |
| 62. |
A cantilever of length L is subjected to a bending moment M 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 |
| Answer» E. | |
| 63. |
The tangential component of stress on an plane inclined θ° to the direction of the force, may be obtained by multiplying the normal stress by |
| A. | sin θ |
| B. | cos θ |
| C. | tan θ |
| D. | sin²θ |
| Answer» E. | |
| 64. |
A steel bar 5 m x 50 mm is loaded with 250, 000 N. If the modulus of elasticity of the material is 0.2 MN/mm² and Poisson's ratio is 0.25, the change in the volume of the bar is : |
| A. | 1.125 cm³ |
| B. | 2.125 cm³ |
| C. | 3.125 cm³ |
| D. | 4.125 cm² |
| Answer» D. 4.125 cm² | |
| 65. |
The horizontal thrust on the ends of a two hinged semicircular arch of radius R carrying |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 66. |
If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is |
| A. | 1/2 |
| B. | 1/3 |
| C. | 1/4 |
| D. | 1/5 |
| Answer» D. 1/5 | |
| 67. |
Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known as |
| A. | Compound beams |
| B. | Indeterminate beams |
| C. | Determinate beams |
| D. | Composite beams. |
| Answer» E. | |
| 68. |
A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be, |
| A. | 10 m |
| B. | 12 m |
| C. | 14 m |
| D. | 16 m |
| Answer» E. | |
| 69. |
The maximum height of a masonry dam of a triangular section whose base width is b and specific gravity s, is |
| A. | b√s |
| B. | s |
| C. | √bs |
| D. | s √b |
| Answer» B. s | |
| 70. |
The ratio of tangential and normal components of a stress on an inclined plane through θ° to the direction of the force, is : |
| A. | sin θ |
| B. | cos θ |
| C. | tan θ |
| D. | cos θ |
| Answer» D. cos θ | |
| 71. |
For calculating the permissible stress, the following emprical formula, known as |
| A. | Straight line formula |
| B. | Parabolic formula |
| C. | Perry's formula |
| D. | Rankine's formula |
| Answer» E. | |
| 72. |
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 | |
| 73. |
Pick up the correct statement from the following: |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 74. |
A material may fail if |
| A. | A |
| B. | B |
| C. | Both C and D |
| D. | All of these |
| Answer» E. | |
| 75. |
The radius of gyration of a section of area A and least moment of inertia I about the centroidal axis, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 76. |
For calculating the allowable stress of long columns. The following empirical formula , is known as |
| A. | Straight line formula |
| B. | Parabolic formula |
| C. | Perry's formula |
| D. | Rankine's formula |
| Answer» B. Parabolic formula | |
| 77. |
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. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 78. |
Two bars, one of steel and the other of copper having areas of cross-sections As and Ac, coefficient of expansion αs and αc and Young's Modulii Es and Es are rigidly connected together at the ends and subjected to temperature change of t°. If the length of the bars initially is L, the final extension δ of the two bars at t° temperature is given by |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 79. |
The following is the equation of Euler's crippling load, if |
| A. | both the ends are fixed |
| B. | both the ends are hinged |
| C. | one end is fixed and other end is free |
| D. | one end is fixed and other end is hinged |
| Answer» D. one end is fixed and other end is hinged | |
| 80. |
The degree of indeterminacy of the frame in the given figure, is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | zero |
| Answer» D. zero | |
| 81. |
A road of uniform cross-section A and length L is deformed by δ, when subjected to a normal force P. The Young's Modulus E of the material, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 82. |
A rectangular column shown in the given figure carries a load P having eccentricities ex and ev along X and Y axes. The stress at any point (x, y) is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 83. |
A simply supported beam carries a varying load from zero at one end and w at the other end. If the length of the beam is a, the shear force will be zero at a distance x from least loaded point where x is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 84. |
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. | |
| 85. |
The maximum B.M. due to an isolated load in a three hinged parabolic arch, (span l, rise h) having one of its hinges at the crown, occurs on either side of the crown at a distance |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 86. |
A bar of square section of area a² is held such that its one of its diameters is vertical. The maximum shear stress will develop at a depth h where h is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 87. |
The general expression for the B.M. of a beam of length l is the beam carries |
| 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 | |
| 88. |
Pick up the correct statement from the following: |
| A. | A |
| B. | Both A and B |
| C. | Both C and D |
| D. | All of these |
| Answer» E. | |
| 89. |
For permissible shear stress fs, the torque transmitted by a thin tube of mean diameter D and wall thickness t, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 90. |
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. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 91. |
A simply supported uniform rectangular bar breadth b, depth d and length L, carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 92. |
The following is the equation for Euler's crippling load if |
| A. | both the ends are fixed |
| B. | both the ends are hinged |
| C. | one end is fixed and other end is free |
| D. | one end is fixed and other end is hinged |
| Answer» C. one end is fixed and other end is free | |
| 93. |
The total strain energy of a beam of length L, having moment of inertia of its section I, when subjected to a bending moment M, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 94. |
Keeping the depth d constant, the width of a cantilever of length l of uniform strength loaded with a uniformly distributed load w varies from zero at the free end and |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 95. |
A material which obeys Hook's law, is subjected to direct stress σ0. At its elastic limit, the following statement is true, |
| A. | A |
| B. | B |
| C. | Both C and D |
| D. | All of these |
| Answer» E. | |
| 96. |
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 | |
| 97. |
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. | |
| 98. |
H V are the algebraic sums of the forces resolved horizontally and vertically respectively, M is the algebraic sum of the moments of forces about any point, for the equilibrium of the body acted upon |
| A. | H = 0 |
| B. | V = 0 |
| C. | M = 0 |
| D. | All the above |
| Answer» E. | |
| 99. |
For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is |
| A. | 0.303 |
| B. | 0.404 |
| C. | 0.505 |
| D. | 0.707 |
| Answer» E. | |
| 100. |
A masonry dam (density = 20,000 N/m³) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be |
| A. | 75 N/m² |
| B. | 750 N/m² |
| C. | 7500 N/m² |
| D. | 75000 N/m² |
| Answer» D. 75000 N/m² | |