MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Prestressed Concrete Structures knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The area of tendons` At` is given as __________ |
| A. | At = F/Safe tensile stress in steel |
| B. | At = L/Safe tensile stress in steel |
| C. | At = D/Safe tensile stress in steel |
| D. | At = C/Safe tensile stress in steel |
| Answer» B. At = L/Safe tensile stress in steel | |
| 2. |
The overall depth in a beam of I section is given as? |
| A. | d = k(me)<sup>1/2</sup> |
| B. | d = k(mt)<sup>1/2</sup> |
| C. | d = k(ml)<sup>1/2</sup> |
| D. | d = k(ma)<sup>1/2</sup> |
| Answer» C. d = k(ml)<sup>1/2</sup> | |
| 3. |
The number of steps are involved in designing a prestressed concrete beam of I section is? |
| A. | 14 |
| B. | 10 |
| C. | 12 |
| D. | 8 |
| Answer» B. 10 | |
| 4. |
The position of reinforcement of a recta ngular prestressed concrete beam is evaluated from the relations. |
| A. | e = 2Md-Mc/2F |
| B. | e = 2Md-Me/2F |
| C. | e = 2Md+Mc/2F |
| D. | e = 2Md+Me/2F |
| Answer» E. | |
| 5. |
The section modulus z, of designing a rectangular prestressed concrete beam is given as __________ |
| A. | Z = M<sub>L</sub>/F<sub>C</sub> |
| B. | Z = M<sub>e</sub>/F<sub>c</sub> |
| C. | Z = M<sub>C</sub>/F<sub>C</sub> |
| D. | Z = M<sub>d</sub>/F<sub>c</sub> |
| Answer» B. Z = M<sub>e</sub>/F<sub>c</sub> | |
| 6. |
The number of steps involved in designing a rectangular prestressed concrete beam are __________ |
| A. | 8 |
| B. | 14 |
| C. | 6 |
| D. | 1 |
| Answer» D. 1 | |
| 7. |
If the neutral axis of the section lies outside the flange then the ultimate moment of resistance of flanged section is? |
| A. | M<sub>u</sub> = f<sub>p</sub> Apw (d-0.4 x<sub>u</sub>)+0.45fck (b-b<sub>w</sub>) Df (d-0.5Df) |
| B. | M<sub>u</sub> = f<sub>p</sub> Apw (d-0.4 x<sub>u</sub>)+0.45fck (b-b<sub>w</sub>) |
| C. | M<sub>u</sub> = f<sub>p</sub> Apw (d-0.4 x<sub>u</sub>) |
| D. | M<sub>u</sub> = f<sub>p</sub> Apw |
| Answer» B. M<sub>u</sub> = f<sub>p</sub> Apw (d-0.4 x<sub>u</sub>)+0.45fck (b-b<sub>w</sub>) | |
| 8. |
In pre tension & post tension members, the value of tensile stress fp and depth of neutral axis Xu is obtained based on __________ |
| A. | Shear reinforcement |
| B. | Effective reinforcement |
| C. | Edge reinforcement |
| D. | Span reinforcement |
| Answer» C. Edge reinforcement | |
| 9. |
If the neutral axis of the section lies within the flange, the moment of resistance of the section is given by the equation. |
| A. | M<sub>u</sub> = f<sub>p</sub> a<sub>p</sub> (d-0.42X<sub>u</sub>) |
| B. | M<sub>u</sub> = f<sub>p</sub> a<sub>p</sub> (d+0.42X<sub>u</sub>) |
| C. | M<sub>u</sub> = f<sub>p</sub> a<sub>p</sub> (0.42X<sub>u</sub>) |
| D. | M<sub>u</sub> = f<sub>p</sub> a<sub>p</sub> (0.52X<sub>u</sub>) |
| Answer» B. M<sub>u</sub> = f<sub>p</sub> a<sub>p</sub> (d+0.42X<sub>u</sub>) | |
| 10. |
The code used for determining the ultimate flexural strength of the rectangular section? |
| A. | IS: 1444 |
| B. | IS: 1440 |
| C. | IS: 1343 |
| D. | IS: 1543 |
| Answer» D. IS: 1543 | |