Explore topic-wise MCQs in Prestressed Concrete Structures.

This section includes 17 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 equation for long term deflection of cracked members is __________

A. ξ/1+50ρ’
B. π/1+50ρ’
C. σ/1+50ρ’
D. e/1+50ρ’
Answer» B. π/1+50ρ’
Discussion
2.

The additional long term deflection resulting from creep and shrinkage of flexural members is determined by multiplying the deflection caused by __________

A. Effective load
B. Compressive load
C. Tensile load
D. Sustained load
Answer» E.
Discussion
3.

The British code recommended for long time deflection of cracked members is __________

A. BS: 2150-1970
B. BS: 2150-1970
C. BS: 2150-1970
D. BS: 2150-1970
Answer» C. BS: 2150-1970
Discussion
4.

The actual load deflection behavior is possible by assuming __________

A. Bilinear moment curvature
B. Multilinear moment
C. Trilinear moment curvature
D. Bin linear moment curvature
Answer» B. Multilinear moment
Discussion
5.

The deflections of cracked structural concrete members may be estimated by __________

A. Unilinear method
B. Matrix method
C. Step method
D. Elongation method
Answer» B. Matrix method
Discussion
6.

In post cracking stage, the behavior of the beam is similar to __________

A. Prestressed concrete members
B. Reinforced concrete members
C. Chemical concrete members
D. Biological concrete members
Answer» D. Biological concrete members
Discussion
7.

The load deflection curve is approximately linear up to stage of __________

A. Invisible cracking
B. Visible cracking
C. Invisible deflection
D. Visible deflection
Answer» C. Invisible deflection
Discussion
8.

THE_ADDITIONAL_LONG_TERM_DEFLECTION_RESULTING_FROM_CREEP_AND_SHRINKAGE_OF_FLEXURAL_MEMBERS_IS_DETERMINED_BY_MULTIPLYING_THE_DEFLECTION_CAUSED_BY:?$

A. Effective load
B. Compressive load
C. Tensile load
D. Sustained load
Answer» E.
Discussion
9.

The equation for long term deflection of cracked members is:$

A. ξ/1+50ρ’
B. π/1+50ρ’
C. σ/1+50ρ’
D. e/1+50ρ’
Answer» B. ‚âà√¨‚àö√ë/1+50‚âà√¨‚àö√ñ‚Äö√Ñ√∂‚àö√ë‚àö¬•
Discussion
10.

The British code recommended for long time deflection of cracked members is?

A. BS: 2150-1970
B. BS: 2150-1970
C. BS: 2150-1970
D. BS: 2150-1970
Answer» C. BS: 2150-1970
Discussion
11.

The actual load deflection behavior is possible by assuming:

A. Bilinear moment curvature
B. Multilinear moment
C. Trilinear moment curvature
D. Bin linear moment curvature
Answer» B. Multilinear moment
Discussion
12.

Which of the following equation is used to compute deflections of unilinear method?

A. βL<sup>2</sup>e/E<sub>c</sub>I<sub>t</sub>
B. βL<sup>2</sup>M/E<sub>c</sub>I<sub>t</sub>
C. βL<sup>3</sup>/E<sub>c</sub>R
D. βL<sup>4</sup>/E<sub>c</sub>R<sub>t</sub>
Answer» C. ‚âà√≠‚Äö√¢¬ßL<sup>3</sup>/E<sub>c</sub>R
Discussion
13.

The deflections of cracked structural concrete members may be estimated by:

A. Unilinear method
B. Matrix method
C. Step method
D. Elongation method
Answer» B. Matrix method
Discussion
14.

In post cracking stage, the behavior of the beam is similar to:

A. Prestressed concrete members
B. Reinforced concrete members
C. Chemical concrete members
D. Biological concrete members
Answer» D. Biological concrete members
Discussion
15.

The load deflection curve is approximately linear up to stage of:

A. Invisible cracking
B. Visible cracking
C. Invisible deflection
D. Visible deflection
Answer» C. Invisible deflection
Discussion
16.

The tensile stress of about which limit are invisible to naked eye?

A. 5n/mm<sup>2</sup>
B. 6n/mm<sup>2</sup>
C. 3n/mm<sup>2</sup>
D. 10n/mm<sup>2</sup>
Answer» D. 10n/mm<sup>2</sup>
Discussion
17.

Which knowledge is essential to comply with the limit state of deflection?

A. Bending moment
B. Shear stress
C. Shear torsion
D. Load deformation
Answer» E.
Discussion