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MCQOPTIONS
This section includes 144 Mcqs, each offering curated multiple-choice questions to sharpen your ENGINEERING SERVICES EXAMINATION (ESE) knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The maximum bending moment due to a train of wheel loads on a simply supported girder |
| A. | lways occurs at centre of span |
| B. | lways occurs under a wheel load |
| C. | ever occurs under a wheel load |
| D. | one of the above |
| Answer» C. ever occurs under a wheel load | |
| 52. |
For a linear elastic frame, if the stiffness matrix is doubled with respect to the existing stiffness matrix, the deflection of the resulting frame will be |
| A. | twice the exiting value |
| B. | half the existing value |
| C. | the same as existing value |
| D. | indeterminate value |
| Answer» C. the same as existing value | |
| 53. |
For a plane truss member, the length is 2 m, E = 200 GPa area of cross-section is 200 mm2. The stiffness matrix coefficient K11 with reference to its local axis is |
| A. | 200 N/m |
| B. | 2 × 107 N/m |
| C. | 4 × 107 N/m |
| D. | 400 N/m |
| Answer» C. 4 × 107 N/m | |
| 54. |
If a moment M is applied to the hinged end of a prismatic propped cantilever then the moment at the fixed end will be |
| A. | M |
| B. | \(\frac{{\rm{M}}}{2}\) |
| C. | \(\frac{{\rm{M}}}{3}\) |
| D. | \(\frac{{\rm{M}}}{4}\) |
| Answer» C. \(\frac{{\rm{M}}}{3}\) | |
| 55. |
A single-bay portal frame of height h fixed at the base is subjected to a horizontal displacement Δ at the top. With constant EI, the base moment developed is proportional to |
| A. | \(\frac{1}{h}\) |
| B. | \(\frac{1}{{{h^2}}}\) |
| C. | \(\frac{1}{{{h^3}}}\) |
| D. | \(\frac{1}{{{h^4}}}\) |
| Answer» C. \(\frac{1}{{{h^3}}}\) | |
| 56. |
Carry-over factor at a support/end is defined as |
| A. | Modulus of Elasticity EI |
| B. | The ratio of moment produced at the far end to the applied moment at that support end |
| C. | The value of the moment to be applied to that end to cause a local slope of one radian |
| D. | 2 EK |
| Answer» C. The value of the moment to be applied to that end to cause a local slope of one radian | |
| 57. |
A fixed beam of span L is carrying a point load P at its mid-span. If the moment of inertia of the middle half-length is two times that of the remaining length, then the fixed end moments will be |
| A. | PL/32 |
| B. | 5 PL/48 |
| C. | 3 PL/32 |
| D. | 5 PL/32 |
| Answer» C. 3 PL/32 | |
| 58. |
In an elastic system, the external work done by a force pi during the deformations caused by another force pj is equal to the external work done by the force pj during the deformation caused by pi is stated by |
| A. | maxwell |
| B. | Betti |
| C. | Maxwell-Betti |
| D. | Euler |
| Answer» D. Euler | |
| 59. |
A guided support as shown in the figure below is represented by three springs (horizontal, vertical and rotational) with stiffness kx, ky and kθ respectively. The limiting values of kx, ky and kθ are: |
| A. | ∞, 0, ∞ |
| B. | ∞, ∞, ∞ |
| C. | 0, ∞, ∞ |
| D. | ∞, ∞, 0 |
| Answer» B. ∞, ∞, ∞ | |
| 60. |
In an otherwise symmetrical portal frame with one end fixed and the other end hinged, the hinged, the hinge support sinks by an amount Δ. The fixed end bending moment induced at fixed end of the horizontal member of the frame due to the sinking of the support will be (given that ‘L’ is the length of the members and EI is the flexural stiffness) |
| A. | \(\frac{{3EI{\rm{\Delta }}}}{{{L^2}}}\) |
| B. | \(\frac{{4EI{\rm{\Delta }}}}{{{L^2}}}\) |
| C. | \(\frac{{2EI{\rm{\Delta }}}}{{{L^2}}}\) |
| D. | \(\frac{{6EI{\rm{\Delta }}}}{{{L^2}}}\) |
| Answer» E. | |
| 61. |
Consider the following statements:The principle of superposition is not applicable when1. The material does not obey Hooke’s law2. The effect of temperature changes are taken into consideration3. The structure is being analysed for the effect of support settlementWhich of these statement (s) is/are correct? |
| A. | 1 only |
| B. | 1 and 2 |
| C. | 2 and 3 |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 62. |
For the given figure, the moment at A, whose far end is fixed, MA, is |
| A. | \(\frac{3EI}{L}{\theta_A}\) |
| B. | \(\frac{4EI}{L}{\theta_A}\) |
| C. | \(\frac{2EI}{L}{\theta_A}\) |
| D. | \(\frac{6EI}{L}{\theta_A}\) |
| Answer» C. \(\frac{2EI}{L}{\theta_A}\) | |
| 63. |
Displacement coordinates for the beam are as shown in figure. The flexibility matrix is given by: |
| A. | \(\frac{1}{{EI}}\left[ {\begin{array}{*{20}{c}} {64/3}&{ - 8}\\ { - 8}&{64} \end{array}} \right]\) |
| B. | \(\frac{1}{{EI}}\left[ {\begin{array}{*{20}{c}} {64/3}&8\\ 8&{ - 64/3} \end{array}} \right]\) |
| C. | \(\frac{1}{{EI}}\left[ {\begin{array}{*{20}{c}} {64/3}&8\\ 8&4 \end{array}} \right]\) |
| D. | \(\frac{1}{{EI}}\left[ {\begin{array}{*{20}{c}} 4&{ - 8}\\ { - 8}&{64 - 3} \end{array}} \right]\) |
| Answer» D. \(\frac{1}{{EI}}\left[ {\begin{array}{*{20}{c}} 4&{ - 8}\\ { - 8}&{64 - 3} \end{array}} \right]\) | |
| 64. |
In column analogy method, the area of an analogous column for a fixed beam of span length L and flexural rigidity is |
| A. | 0.25L/(EI) |
| B. | 0.5L/(EI) |
| C. | 0.75L/(EI) |
| D. | 1.25L/(EI) |
| E. | L/(EI) |
| Answer» F. | |
| 65. |
A beam AB is simply supported and has flexural rigidity EI. The flexural strain energy of the beam having span 6 m and carrying a central point load of 10 kN is |
| A. | 142.38/EI |
| B. | 775/EI |
| C. | 225/EI |
| D. | None of the above |
| Answer» D. None of the above | |
| 66. |
Carry-over factor CBA for the beam shown in the figure below is |
| A. | \(\frac{a}{b}\) |
| B. | \(\frac{3}{4}\) |
| C. | \(\frac{a}{L}\) |
| D. | \(\frac{1}{2}\) |
| Answer» B. \(\frac{3}{4}\) | |
| 67. |
When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when |
| A. | The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration |
| B. | The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration |
| C. | The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system |
| D. | None of the above |
| Answer» C. The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system | |
| 68. |
For heavily reinforced concrete member, the nominal maximum size of the aggregates should be restricted to |
| A. | 5 mm less than the minimum clear distance between the main bars |
| B. | 5 mm less than the minimum cover to the reinforcement |
| C. | Smaller of A and B |
| D. | Greater of A and B |
| Answer» D. Greater of A and B | |
| 69. |
Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is |
| A. | 2 |
| B. | 3 |
| C. | 6 |
| D. | 8 |
| Answer» D. 8 | |
| 70. |
When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would |
| A. | Change from compression to tension |
| B. | Change from tension to compression |
| C. | Always be compression |
| D. | Always be tension |
| Answer» B. Change from tension to compression | |
| 71. |
The degree of static indeterminacy of a pin-jointed space frame is given by (where m is number of unknown member forces, r is unknown reaction components and j is number of joints) |
| A. | m + r – 2j |
| B. | m + r – 3j |
| C. | 3m + r – 3j |
| D. | m + r + 3j |
| Answer» C. 3m + r – 3j | |
| 72. |
The degree of static indeterminacy of a rigid-jointed space frame is (where m, r and j have their usual meanings) |
| A. | m + r – 2j |
| B. | m + r – 3j |
| C. | 3m + r – 3j |
| D. | 6m + r – 6j |
| Answer» E. | |
| 73. |
The degree of kinematic indeterminacy of a pin-jointed space frame is (where m, r and j have their usual meanings) |
| A. | 2j-r |
| B. | 3j-r |
| C. | j-2r |
| D. | j-3r |
| Answer» C. j-2r | |
| 74. |
When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies |
| A. | Less than the left half span |
| B. | Whole of left half span |
| C. | More than the left half span |
| D. | Whole span |
| Answer» E. | |
| 75. |
The effective and actual lengths of a cantilever are same if continuous at the support, |
| A. | Unstrained against torsion at the support and free at the end |
| B. | With partial restraint against torsion of the support and free at the end |
| C. | Restrained against torsion at the support and free at the end |
| D. | None of these |
| Answer» D. None of these | |
| 76. |
Castigliano’s first theorem is applicable |
| A. | for statically determinate structures only |
| B. | when the system behaves elastically |
| C. | only when principle of superposition is valid |
| D. | none of the above |
| Answer» D. none of the above | |
| 77. |
For under water concreting. |
| A. | At least 10 percent more cement is required as compared to dry conditions |
| B. | The volume of coarse aggregates shall not be less than one and half times and not more than twice that of fine aggregate |
| C. | De-watering by pumping is not done or until 24 hours thereafter |
| D. | All the above |
| Answer» E. | |
| 78. |
In column analogy method, the area of an analogous column for a fixed beam of span L and flexural rigidity El is taken as |
| A. | L/EI |
| B. | L/2EI |
| C. | L/3EI |
| D. | L/4EI |
| Answer» B. L/2EI | |
| 79. |
Pick up the correct statement applicable to cased columns. |
| A. | Single I-beam or channels back with or without flange plates may be used |
| B. | The surface and edges of the steel column should be provided a concrete cover not less than 50 mm |
| C. | All the above |
| D. | |
| Answer» E. | |
| 80. |
For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is |
| A. | 0.211 L |
| B. | 0.25 L |
| C. | 0.234 L |
| D. | 0.5 L |
| Answer» B. 0.25 L | |
| 81. |
In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always |
| A. | zero |
| B. | less than 1 |
| C. | 1 |
| D. | greater than 1 |
| Answer» D. greater than 1 | |
| 82. |
For the stability of a structural part, the weight or anchorage should be |
| A. | 1.2 times the minimum overturning moment due to dead load |
| B. | 1.4 times the minimum overturning moment due to dead load |
| C. | Sum of (a) and (b) |
| D. | None of these |
| Answer» D. None of these | |
| 83. |
If the specified thickness of a footing is 100 cm, the depth of the form work may be tolerated from |
| A. | -2 mm to +2 mm |
| B. | -3 mm to +3 mm |
| C. | -4 mm to +4 mm |
| D. | -5 mm to +5 mm |
| Answer» E. | |
| 84. |
When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that |
| A. | the head of the load reaches the section |
| B. | the tail of the load reaches the section |
| C. | the load position should be such that the section divides it equally on both sides |
| D. | the load position should be such that the section divides the load in the same ratio as it divides the span |
| Answer» E. | |
| 85. |
In the slope deflection equations, the deformations are considered to be caused byi) bending momentii) shear forceiii) axial forceThe correct answer is |
| A. | only (i) |
| B. | (i)and(ii) |
| C. | (ii) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» B. (i)and(ii) | |
| 86. |
Muller Breslau’s principle for obtaining influence lines is applicable toi) trussesii) statically determinate beams and framesiii) statically indeterminate structures, the material of which is elastic and follows Hooke’s lawiv) any statically indeterminate structureThe correct answer is |
| A. | (i), (ii) and (iii) |
| B. | (i), (ii) and (iv) |
| C. | (i) and (ii) |
| D. | only (i) |
| Answer» B. (i), (ii) and (iv) | |
| 87. |
Study the following statements.i) The displacement method is more useful when degree of kinematic indeterminacy is greater than the degree of static indeterminacy.ii) The displacement method is more useful when degree of kinematic indeterminacy is less than the degree of static indeterminacy.iii) The force method is more useful when degree of static indeterminacy is greater than the degree of kinematic indeterminacy.iv) The force method is more useful when degree of static indeterminacy is less than the degree of kinematic indeterminacy.The correct answer is |
| A. | (i) and (iii) |
| B. | (ii) and (iii) |
| C. | (i) and (iv) |
| D. | (ii) and (iv) |
| Answer» E. | |
| 88. |
For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal(i) Of a stiffness matrix must be positive(ii) Of a stiffness matrix must be negative(iii) Of a flexibility matrix must be positive(iv) Of a flexibility matrix must be negativeThe correct answer is |
| A. | (i) and (iii) |
| B. | (ii) and (iii) |
| C. | (i) and (iv) |
| D. | (ii) and (iv) |
| Answer» B. (ii) and (iii) | |
| 89. |
While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of |
| A. | zero length |
| B. | infinite length |
| C. | zero moment of inertia |
| D. | none of the above |
| Answer» B. infinite length | |
| 90. |
The thickness of the rectangular plate for the cap or base of a solid round steel columns, is calculated from the formulat = √[(9W/16 fbct) × D/(D -d)] where ‘d’ is |
| A. | The reduced diameter of the column |
| B. | The dimension of the base |
| C. | The diameter of the base |
| D. | The diameter of the top |
| Answer» B. The dimension of the base | |
| 91. |
A simply supported beam deflects by 5 mm when it is subjected to a concentrated load of 10 kN at its centre. What will be deflection in a 1/10 model of the beam if the model is subjected to a 1 kN load at its centre ? |
| A. | 5 mm |
| B. | 0.5 mm |
| C. | 0.05 mm |
| D. | 0.005mm |
| Answer» B. 0.5 mm | |
| 92. |
Pick up the correct statement for the web stiffeners. |
| A. | Vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d |
| B. | d is the distance between flange angles or the clear distance between flanges |
| C. | For horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange |
| D. | All the above |
| Answer» E. | |
| 93. |
A load W is moving from left to right support on a simply supported beam of span T. The maximum bending moment at 0.4 1 from the left support is |
| A. | 0.16 Wl |
| B. | 0.20 Wl |
| C. | 0.24 Wl |
| D. | 0.25 Wl |
| Answer» D. 0.25 Wl | |
| 94. |
If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by |
| A. | m + r + 2j |
| B. | m – r + 2j |
| C. | m + r – 2j |
| D. | m + r – 3j |
| Answer» D. m + r – 3j | |
| 95. |
The test strength of the sample is taken as the average of the strength of |
| A. | 2 specimens |
| B. | 3 specimens |
| C. | 4 specimens |
| D. | 5 specimens |
| Answer» C. 4 specimens | |
| 96. |
The slenderness effect of a wall is considered if the effective height of the wall exceeds the thickness |
| A. | 8 times |
| B. | 10 times |
| C. | 12 times |
| D. | 16 times |
| Answer» D. 16 times | |
| 97. |
The number of independent displacement components at each joint of a rigid-jointed space frame is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 6 |
| Answer» E. | |
| 98. |
If the main reinforcement of the slab is parallel to a T-beam, the transverse reinforcement at mid span of the slab is provided at least __________ of main reinforcement. |
| A. | 40 % |
| B. | 50 % |
| C. | 60 % |
| D. | 70 % |
| Answer» D. 70 % | |
| 99. |
For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust |
| A. | is increased |
| B. | is decreased |
| C. | remains unchanged |
| D. | becomes zero |
| Answer» C. remains unchanged | |
| 100. |
The effective length of lacing is the distance |
| A. | Between the inner end rivets of the bar for single lacing |
| B. | 0.7 of the distance between the inner end rivets of the bar for double lacing |
| C. | Between the inner ends of effective lengths of welds connecting the members |
| D. | All the above |
| Answer» E. | |