Explore topic-wise MCQs in Prestressed Concrete Structures.

This section includes 20 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 pitch of spirals is limited to a range of ____________

A. 40 to 45mm
B. 25 to75mm
C. 15 to 30mm
D. 10 to 30mm
Answer» C. 15 to 30mm
2.

The pitch of spiral is computed as v

A. S = 4as(Dc – ds)/Dc2 ρs
B. S = 2as(Dc – ds)/Dc2 ρs
C. S = 6as(Dc – ds)/Dc2 ρs
D. S = 10as(Dc – ds)/Dc2 ρs
Answer» B. S = 2as(Dc – ds)/Dc2 ρs
3.

The Spirals are particularly useful in increasing the ____________

A. Tensile strength
B. Ductility
C. Strain
D. Stress
Answer» C. Strain
4.

The Prestressed concrete compression members should have a minimum average effective prestress of not less than?

A. 1.55n/mm2
B. 1.0n/mm2
C. 1.15n/mm2
D. 1.25n/mm2
Answer» B. 1.0n/mm2
5.

The steps involved in design of biaxially loaded column are ____________

A. 15
B. 4
C. 8
D. 6
Answer» D. 6
6.

The charts proposed by Bennett are useful in dimensioning columns of ____________

A. L section
B. I section
C. T section
D. Edge section
Answer» C. T section
7.

The balanced failure develops when there is simultaneous ____________

A. Tension yielding
B. Compression yielding
C. Flexure yielding
D. Prestress yielding
Answer» B. Compression yielding
8.

The compression failure mode develops under?

A. Static loading
B. Moment loading
C. Concentric loading
D. Tensile loading
Answer» D. Tensile loading
9.

The load moment interaction diagrams are more or less similar to ____________

A. Prestressed columns
B. Reinforced concrete columns
C. Aluminium columns
D. Steel columns
Answer» C. Aluminium columns
10.

Most compression members, such as long columns and piles are subjected to ____________

A. Bending moment and cracking forces
B. Bending moment and tension forces
C. Bending moment and axial forces
D. Bending moment and compression forces
Answer» D. Bending moment and compression forces
11.

THE_PITCH_OF_SPIRAL_IS_COMPUTED_AS:?$

A. S = 4a<sub>s</sub>(D<sub>c</sub> – d<sub>s</sub>)/D<sub>c</sub><sup>2</sup> ρ<sub>s</sub>
B. S = 2a<sub>s</sub>(D<sub>c</sub> – d<sub>s</sub>)/D<sub>c</sub><sup>2</sup> ρ<sub>s</sub>
C. S = 6a<sub>s</sub>(D<sub>c</sub> – d<sub>s</sub>)/D<sub>c</sub><sup>2</sup> ρ<sub>s</sub>
D. S = 10a<sub>s</sub>(D<sub>c</sub> – d<sub>s</sub>)/D<sub>c</sub><sup>2</sup> ρ<sub>s</sub>
Answer» B. S = 2a<sub>s</sub>(D<sub>c</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬® d<sub>s</sub>)/D<sub>c</sub><sup>2</sup> ‚âà√¨‚àö√ñ<sub>s</sub>
12.

The_pitch_of_spirals_is_limited_to_a_range_of:$

A. 40 to 45mm
B. 25 to75mm
C. 15 to 30mm
D. 10 to 30mm
Answer» C. 15 to 30mm
13.

The Spirals are particularly useful in increasing the?

A. Tensile strength
B. Ductility
C. Strain
D. Stress
Answer» C. Strain
14.

The Prestressed concrete compression members should have a minimum average effective prestress of not less than:

A. 1.55n/mm<sup>2</sup>
B. 1.0n/mm<sup>2</sup>
C. 1.15n/mm<sup>2</sup>
D. 1.25n/mm<sup>2</sup>
Answer» B. 1.0n/mm<sup>2</sup>
15.

The steps involved in design of biaxially loaded column are:

A. 15
B. 4
C. 8
D. 6
Answer» D. 6
16.

The charts proposed by Bennett are useful in dimensioning columns of:

A. L section
B. I section
C. T section
D. Edge section
Answer» C. T section
17.

The balanced failure develops when there is simultaneous:

A. Tension yielding
B. Compression yielding
C. Flexure yielding
D. Prestress yielding
Answer» B. Compression yielding
18.

The compression failure mode develops under:

A. Static loading
B. Moment loading
C. Concentric loading
D. Tensile loading
Answer» D. Tensile loading
19.

The load moment interaction diagrams are more or less similar to:

A. Prestressed columns
B. Reinforced concrete columns
C. Aluminium columns
D. Steel columns
Answer» C. Aluminium columns
20.

Most compression members, such as long columns and piles are subjected to:

A. Bending moment and cracking forces
B. Bending moment and tension forces
C. Bending moment and axial forces
D. Bending moment and compression forces
Answer» D. Bending moment and compression forces