MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Design Steel Structures knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is not a method for providing effective lateral restraints? (i) by embedding compression flange inside slab concrete (ii) by providing shear connectors in compression flange (iii) by bracing compression flanges of adjacent beams |
| A. | i only |
| B. | i, iii |
| C. | ii, iii |
| D. | i, ii, iii |
| Answer» E. | |
| 2. |
WHICH_OF_THE_FOLLOWING_IS_NOT_A_METHOD_FOR_PROVIDING_EFFECTIVE_LATERAL_RESTRAINTS??$ |
| A. | by embedding compression flange inside slab concrete |
| B. | by providing shear connectors in compression flange |
| C. | by bracing compression flanges of adjacent beams |
| D. | i only |
| Answer» E. | |
| 3. |
Which of the following condition causes lateral instabilities? |
| A. | section possesses different stiffness in two principal planes |
| B. | section possesses same stiffness in two principal planes |
| C. | applied loading does not induce bending in stiffer plane |
| D. | applied loading induce twisting in stiffer plane |
| Answer» B. section possesses same stiffness in two principal planes | |
| 4. |
What is elastic critical moment? |
| A. | bending moment at which beam do not fail by lateral buckling |
| B. | bending moment at which beam fails by lateral buckling |
| C. | shear force at which beam do not fail by lateral buckling |
| D. | shear force at which beam fails by lateral buckling |
| Answer» C. shear force at which beam do not fail by lateral buckling | |
| 5. |
Lateral buckling in beam is _________ |
| A. | does not occur in beam |
| B. | one dimensional |
| C. | two dimensional |
| D. | three dimensional |
| Answer» E. | |
| 6. |
Characteristic feature if lateral buckling is ___________ |
| A. | entire cross section do not rotate as rigid disc without any cross sectional distortion |
| B. | entire cross section rotates as rigid disc without any cross sectional distortion |
| C. | entire cross section rotates as rigid disc with cross sectional distortion |
| D. | entire cross section do not rotate as rigid disc |
| Answer» C. entire cross section rotates as rigid disc with cross sectional distortion | |
| 7. |
What are laterally restrained beams? |
| A. | adequate restraints are provided to beam |
| B. | adequate restraints are not provided to beam |
| C. | economically not viable |
| D. | unstable beams |
| Answer» B. adequate restraints are not provided to beam | |
| 8. |
To ensure that compression flange of beam is restrained from moving laterally, the cross section must be |
| A. | plastic |
| B. | semi-compact |
| C. | slender |
| D. | thin |
| Answer» B. semi-compact | |
| 9. |
In beam design, sections are proportioned as such that _____ to achieve economy. |
| A. | moment of inertia about principal axis parallel to the web is equal to moment of inertia about principal axis normal to the web |
| B. | moment of inertia about principal axis parallel to the web is considerable larger than moment of inertia about principal axis normal to the web |
| C. | moment of inertia about principal axis normal to the web is considerable larger than moment of inertia about principal axis parallel to the web |
| D. | moment of inertia about principal axis normal to the web is considerable lesser than moment of inertia about principal axis parallel to the web |
| Answer» D. moment of inertia about principal axis normal to the web is considerable lesser than moment of inertia about principal axis parallel to the web | |
| 10. |
Which of the following assumptions is not an ideal beam behaviour? |
| A. | local and lateral instabilities of beam are prevented |
| B. | any form of local buckling is prevented |
| C. | compression flange of beam is restrained from moving laterally |
| D. | compression flange of beam is not restrained from moving laterally |
| Answer» E. | |