Explore topic-wise MCQs in Prestressed Concrete Structures.

This section includes 18 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 shift of pressure line measured from centroidal axis is obtained as ___________

A. (m/p)-e
B. (m/q)-e
C. (m/r)-e
D. (m/i)-e
Answer» B. (m/q)-e
Discussion
2.

The change in the external moments in the elastic range of prestressed concrete beam results in ___________

A. Bending moment in pressure line
B. Torsion in pressure line
C. Flexure in pressure line
D. Shift of the pressure line
Answer» E.
Discussion
3.

The eccentricity e in the pressure line diagram is?

A. h/16
B. h/12
C. h/15
D. h/8
Answer» B. h/12
Discussion
4.

The location of the pressure line depends upon ___________

A. Breakage and Bondage
B. Magnitude and direction
C. Shear and Torsion
D. Pressure and equilibrium
Answer» C. Shear and Torsion
Discussion
5.

The concept of pressure line is very useful in understanding the concept of ___________

A. Load carrying mechanism
B. Bending mechanism
C. Shear mechanism
D. Torsion mechanism
Answer» B. Bending mechanism
Discussion
6.

The locus of the points of application of resultant force in any structure is termed as ___________

A. Pressure line
B. Hollow line
C. Beam line
D. Tendon line
Answer» B. Hollow line
Discussion
7.

A prestressed concrete beam of section 200mm wide by 300mm deep of imposed load 4kn/m at a span of 6m, density of concrete is 24kn/m3. Find the concentric prestressing force necessary for zero fiber stress at the soffit?

A. 490
B. 560
C. 230
D. 310
Answer» B. 560
Discussion
8.

The resultant stress distribution due to eccentric prestressing, dead and live loads at any given section are obtained as ___________

A. Fsup = (p/a-pe/zt)+(mg/zt)+(mq/zt)
B. Fsup = (p/a-pe/zt)+(mg/zt)+(mq/zt)
C. Fsup = (p/a-pe/zt)+(mg/zt)+(mq/zt)
D. Fsup = (p/a-pe/zt)+(mg/zt)+(mq/zt)
Answer» B. Fsup = (p/a-pe/zt)+(mg/zt)+(mq/zt)
Discussion
9.

The resultant stresses in concrete at any section are obtained by the effect of ___________

A. Prestress and flexural stresses
B. Prestress and bending stresses
C. Prestress and shear stresses
D. Prestress and torsion stresses
Answer» B. Prestress and bending stresses
Discussion
10.

THE_CHANGE_IN_THE_EXTERNAL_MOMENTS_IN_THE_ELASTIC_RANGE_OF_PRESTRESSED_CONCRETE_BEAM_RESULTS_IN:?$

A. Bending moment in pressure line
B. Torsion in pressure line
C. Flexure in pressure line
D. Shift of the pressure line
Answer» E.
Discussion
11.

The_shift_of_pressure_line_measured_from_centroidal_axis_is_obtained_as:$

A. (m/p)-e
B. (m/q)-e
C. (m/r)-e
D. (m/i)-e
Answer» B. (m/q)-e
Discussion
12.

The location of the pressure line depends upon:

A. Breakage and Bondage
B. Magnitude and direction
C. Shear and Torsion
D. Pressure and equilibrium
Answer» C. Shear and Torsion
Discussion
13.

The concept of pressure line is very useful in understanding the concept of:

A. Load carrying mechanism
B. Bending mechanism
C. Shear mechanism
D. Torsion mechanism
Answer» B. Bending mechanism
Discussion
14.

The locus of the points of application of resultant force in any structure is termed as:

A. Pressure line
B. Hollow line
C. Beam line
D. Tendon line
Answer» B. Hollow line
Discussion
15.

A prestressed concrete beam of section 200mm wide by 300mm deep of imposed load 4kn/m at a span of 6m, density of concrete is 24kn/m3. Find the concentric prestressing force necessary for zero fiber stress at the soffit?

A. 490
B. 560
C. 230
D. 310
Answer» B. 560
Discussion
16.

A concrete beam of rectangular section, 250mm wide and 600mm deep. Calculate the bending moment that can be applied without applying tension at the soffit of the beam with given m/z value as 5.74?

A. 26.4
B. 54.8
C. 34.5
D. 86.1
Answer» E.
Discussion
17.

The resultant stress distribution due to eccentric prestressing, dead and live loads at any given section are obtained as:

A. F<sub>sup</sub> = (p/a-p<sub>e</sub>/z<sub>t</sub>)+(m<sub>g</sub>/z<sub>t</sub>)+(m<sub>q</sub>/z<sub>t</sub>)
B. F<sub>sup</sub> = (p/a-p<sub>e</sub>/z<sub>t</sub>)+(m<sub>g</sub>/z<sub>t</sub>)+(m<sub>q</sub>/z<sub>t</sub>)
C. F<sub>sup</sub> = (p/a-p<sub>e</sub>/z<sub>t</sub>)+(m<sub>g</sub>/z<sub>t</sub>)+(m<sub>q</sub>/z<sub>t</sub>)
D. F<sub>sup</sub> = (p/a-p<sub>e</sub>/z<sub>t</sub>)+(m<sub>g</sub>/z<sub>t</sub>)+(m<sub>q</sub>/z<sub>t</sub>)
Answer» B. F<sub>sup</sub> = (p/a-p<sub>e</sub>/z<sub>t</sub>)+(m<sub>g</sub>/z<sub>t</sub>)+(m<sub>q</sub>/z<sub>t</sub>)
Discussion
18.

The resultant stresses in concrete at any section are obtained by the effect of:

A. Prestress and flexural stresses
B. Prestress and bending stresses
C. Prestress and shear stresses
D. Prestress and torsion stresses
Answer» B. Prestress and bending stresses
Discussion