MCQOPTIONS
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MCQOPTIONS
This section includes 133 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
_For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust$? |
| A. | is increased |
| B. | is decreased |
| C. | remains unchanged |
| D. | becomes zero |
| Answer» C. remains unchanged | |
| 102. |
_The test strength of the sample is taken as the average of the strength of$? |
| A. | 2 specimens |
| B. | 3 specimens |
| C. | 4 specimens |
| D. | 5 specimens |
| Answer» C. 4 specimens | |
| 103. |
_The principle of virtual work can be applied to elastic system by considering the virtual work of$? |
| A. | Internal forces only |
| B. | External forces only |
| C. | Internal as well as external forces |
| D. | None of the above |
| Answer» D. None of the above | |
| 104. |
_Independent displacement components at each joint of a rigid-jointed plane frame are$? |
| A. | three linear movements |
| B. | two linear movements and one rotation |
| C. | one linear movement and two rotations |
| D. | three rotations |
| Answer» C. one linear movement and two rotations | |
| 105. |
_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$? |
| A. | (i), (ii) and (iii) |
| B. | (i), (ii) and (iv) |
| C. | (i) and (ii) |
| D. | only (i) |
| Answer» B. (i), (ii) and (iv) | |
| 106. |
_If the specified thickness of a footing is 100 cm, the depth of the form work may be tolerated from$? |
| 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. | |
| 107. |
_Principle of superposition is applicable when$? |
| A. | Deflections are linear functions of applied forces |
| B. | Material obeys Hooke's law |
| C. | The action of applied forces will be affected by small deformations of the structure |
| D. | None of the above |
| Answer» B. Material obeys Hooke's law | |
| 108. |
_When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would$? |
| 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 | |
| 109. |
_The fixed support in a real beam becomes in the conjugate beam a$? |
| A. | Roller support |
| B. | Hinged support |
| C. | Fixed support |
| D. | Free end |
| Answer» E. | |
| 110. |
The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in$? |
| A. | Vertical direction |
| B. | Horizontal direction |
| C. | Inclined direction |
| D. | The direction in which the deflection is required |
| Answer» E. | |
| 111. |
Effects of shear force and axial force on plastic moment capacity of a structure are respectively to$? |
| A. | increase and decrease |
| B. | increase and increase |
| C. | decrease and increase |
| D. | decrease and decrease |
| Answer» E. | |
| 112. |
The slenderness effect of a wall is considered if the effective height of the wall exceeds the thickness$? |
| A. | 8 times |
| B. | 10 times |
| C. | 12 times |
| D. | 16 times |
| Answer» D. 16 times | |
| 113. |
For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust$? |
| A. | Is increased |
| B. | Is decreased |
| C. | Remains unchanged |
| D. | Becomes zero |
| Answer» D. Becomes zero | |
| 114. |
To generate the j th column of the flexibility matrix$? |
| A. | a unit force is applied at coordinate j and the displacements are calculated at all coordinates |
| B. | a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates |
| C. | a unit force is applied at coordinate j and the forces are calculated at all coordinates |
| D. | a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates |
| Answer» B. a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates | |
| 115. |
A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be$? |
| A. | 8 kN.m |
| B. | 15 kN.m |
| C. | 30 kN.m |
| D. | 60 kN.m |
| Answer» D. 60 kN.m | |
| 116. |
In the displacement method of structural analysis, the basic unknowns are$? |
| A. | displacements |
| B. | force |
| C. | displacements and forces |
| D. | none of the above |
| Answer» B. force | |
| 117. |
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. | |
| 118. |
A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be? |
| A. | 8 kN.m |
| B. | 15 kN.m |
| C. | 30 kN.m |
| D. | 60 kN.m |
| Answer» D. 60 kN.m | |
| 119. |
To generate the j th column of the flexibility matrix? |
| A. | a unit force is applied at coordinate j and the displacements are calculated at all coordinates |
| B. | a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates |
| C. | a unit force is applied at coordinate j and the forces are calculated at all coordinates |
| D. | a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates |
| Answer» B. a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates | |
| 120. |
For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust? |
| A. | Is increased |
| B. | Is decreased |
| C. | Remains unchanged |
| D. | Becomes zero |
| Answer» D. Becomes zero | |
| 121. |
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 | |
| 122. |
Effects of shear force and axial force on plastic moment capacity of a structure are respectively to? |
| A. | increase and decrease |
| B. | increase and increase |
| C. | decrease and increase |
| D. | decrease and decrease |
| Answer» E. | |
| 123. |
The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in? |
| A. | Vertical direction |
| B. | Horizontal direction |
| C. | Inclined direction |
| D. | The direction in which the deflection is required |
| Answer» E. | |
| 124. |
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. | |
| 125. |
In the displacement method of structural analysis, the basic unknowns are? |
| A. | displacements |
| B. | force |
| C. | displacements and forces |
| D. | none of the above |
| Answer» B. force | |
| 126. |
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. | |
| 127. |
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 | |
| 128. |
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 | |
| 129. |
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) | |
| 130. |
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. | |
| 131. |
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 | |
| 132. |
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 ‚Äö√Ñ√¨ 3j | |
| 133. |
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 | |