MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 13 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. |
Match the following values of limiting b/t or d/t ratio for various cases |
| A. | i-A, ii-B, iii-C, iv-D |
| B. | i-D, ii-C, iii-A, iv-B |
| C. | i-C, ii-D, iii-B, iv-A |
| D. | i-D, ii-C, iii-B, iv-AView Answer |
| Answer» C. i-C, ii-D, iii-B, iv-A | |
| 2. |
Which of following statement is correct? |
| A. | elastic buckling stress may be decreased by using longitudinal stiffeners |
| B. | elastic buckling stress may be decreased by using intermediate stiffeners |
| C. | elastic buckling stress may be increased by using intermediate transverse stiffeners |
| D. | elastic buckling stress is not affected by intermediate or longitudinal stiffeners |
| Answer» D. elastic buckling stress is not affected by intermediate or longitudinal stiffeners | |
| 3. |
The elastic buckling stress for thin flat plate of length L, depth d and thickness t simply supported along four edges and loaded by bending stress distribution is given by |
| A. | fcr = π2E/k[12(1-μ2)(d/t)2]. |
| B. | fcr = π2E/k[12(1+μ2)(d/t)2]. |
| C. | fcr = kπ2E/[12(1+μ2)(d/t)2]. |
| D. | fcr = kπ2E/[12(1-μ2)(d/t)2]. |
| Answer» E. | |
| 4. |
The buckling coefficient for thin flat plate free along one longitudinal edge is given bya) k = 0.425 + (b/a)b) k = 0.425 + (b/a)2c) k = 0.425 + (a/b)2d) k = 0.425 – (b/ |
| A. | k = 0.425 + (b/a)b) k = 0.425 + (b/a)2c) k = 0.425 + (a/ |
| B. | k = 0.425 + (b/a)2 |
| C. | k = 0.425 + (a/b)2 |
| D. | k = 0.425 – (b/a)2 |
| Answer» C. k = 0.425 + (a/b)2 | |
| 5. |
The buckling stress fcr varies _____ |
| A. | inversely as plate slenderness or width-to-thickness ratio |
| B. | directly as plate slenderness or width-to-thickness ratio |
| C. | inversely as square of plate slenderness or width-to-thickness ratio |
| D. | directly as square of plate slenderness or width-to-thickness ratio |
| Answer» D. directly as square of plate slenderness or width-to-thickness ratio | |
| 6. |
WHICH_OF_FOLLOWING_STATEMENT_IS_CORRECT??$ |
| A. | elastic buckling stress may be decreased by using longitudinal stiffeners |
| B. | elastic buckling stress may be decreased by using intermediate stiffeners |
| C. | elastic buckling stress may be increased by using intermediate transverse stiffeners |
| D. | elastic buckling stress is not affected by intermediate or longitudinal stiffeners |
| Answer» D. elastic buckling stress is not affected by intermediate or longitudinal stiffeners | |
| 7. |
The elastic buckling stress for thin flat plate of length L, depth d and thickness t simply supported along four edges and loaded by bending stress distribution is given b? |
| A. | f<sub>cr</sub> = π<sup>2</sup>E/k[12(1-μ<sup>2</sup>)(d/t)<sup>2</sup>]. |
| B. | f<sub>cr</sub> = π<sup>2</sup>E/k[12(1+μ<sup>2</sup>)(d/t)<sup>2</sup>]. |
| C. | f<sub>cr</sub> = kπ<sup>2</sup>E/[12(1+μ<sup>2</sup>)(d/t)<sup>2</sup>]. |
| D. | f<sub>cr</sub> = kπ<sup>2</sup>E/[12(1-μ<sup>2</sup>)(d/t)<sup>2</sup>]. |
| Answer» E. | |
| 8. |
The elastic buckling stress of thin flat plate of length L, depth d and thickness t simply supported along four edges and loaded by shear stresses distributed uniformly along its edges is given by |
| A. | f<sub>cr</sub> = kπ<sup>2</sup>E / [12(1-μ<sup>2</sup>)(d/t)<sup>2</sup>]. |
| B. | f<sub>cr</sub> = kπ<sup>2</sup>E / [12(1+μ<sup>2</sup>)(d/t)<sup>2</sup>]. |
| C. | f<sub>cr</sub> = kπ<sup>2</sup>E / [12(1-μ<sup>2</sup>)(d/t)]. |
| D. | f<sub>cr</sub> = kπ<sup>2</sup>E / [12(1+μ<sup>2</sup>)(d/t)]. |
| Answer» B. f<sub>cr</sub> = k‚âà√¨‚àö√ë<sup>2</sup>E / [12(1+‚âà√≠¬¨‚à´<sup>2</sup>)(d/t)<sup>2</sup>]. | |
| 9. |
The buckling coefficient for thin flat plate free along one longitudinal edge is given by |
| A. | k = 0.425 + (b/a) |
| B. | k = 0.425 + (b/a)<sup>2</sup> |
| C. | k = 0.425 + (a/b)<sup>2</sup> |
| D. | k = 0.425 – (b/a)<sup>2</sup> |
| Answer» C. k = 0.425 + (a/b)<sup>2</sup> | |
| 10. |
The buckling stress fcr varies _____ |
| A. | inversely as plate slenderness or width-to-thickness ratio |
| B. | directly as plate slenderness or width-to-thickness ratio |
| C. | inversely as square of plate slenderness or width-to-thickness ratio |
| D. | directly as square of plate slenderness or width-to-thickness ratio |
| Answer» D. directly as square of plate slenderness or width-to-thickness ratio | |
| 11. |
Lowest value of buckling coefficient for simply supported plates is _____ |
| A. | 4.0 |
| B. | 2.0 |
| C. | 5.0 |
| D. | 3.0 |
| Answer» B. 2.0 | |
| 12. |
The critical stress of infinite plate having width b and thickness t loaded by compressive forces acting on simply supported sides is given by |
| A. | (kπ<sup>2</sup>E)/ [12(1-μ<sup>2</sup>)(b/t)]. |
| B. | (kπ<sup>2</sup>E)/ [12(1-μ<sup>2</sup>)(b/t)<sup>2</sup>]. |
| C. | (kπ<sup>2</sup>E)/ [12(1+μ<sup>2</sup>)(b/t)]. |
| D. | (kπ<sup>2</sup>E)/ [12(1+μ<sup>2</sup>)(b/t)<sup>2</sup>]. |
| Answer» C. (k‚âà√¨‚àö√ë<sup>2</sup>E)/ [12(1+‚âà√≠¬¨‚à´<sup>2</sup>)(b/t)]. | |
| 13. |
Buckling occurs to members or elements mainly subjected to ________ |
| A. | seismic forces |
| B. | tensile forces |
| C. | compressive forces |
| D. | shear forces |
| Answer» D. shear forces | |