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 long time deflections are expressed as __________

A. af = (ail-aipxpt/pi) (1+ϕ)
B. af = (ail-aipxpt/pi)
C. af = (ail-aipxpt/pi)
D. af = (ail-aipxpt/pi)
Answer» B. af = (ail-aipxpt/pi)
Discussion
2.

A simplified but an approximate procedure for computing long time deflections is given by __________

A. Siess
B. Corley
C. Lin
D. Doglas
Answer» D. Doglas
Discussion
3.

The creep curvature due to prestress is obtained on the simplified assumption that creep is induced by the average prestress acting over the given time is according to __________

A. Busemann
B. Douglas
C. Lorley
D. Neville
Answer» E.
Discussion
4.

The creep strain due to the transverse loads is directly computed as a function of __________

A. Strain coefficient
B. Creep coefficient
C. Stress coefficient
D. Bending
Answer» D. Bending
Discussion
5.

The section of sustained transverse loads under compressive stress distribution in the concrete changes with __________

A. Time
B. Intensity
C. Bending moment
D. Curing
Answer» B. Intensity
Discussion
6.

The net curvature ϕtat a section at any given stage is given as __________

A. ϕt = ϕw + ϕe
B. ϕt = ϕm + ϕn
C. ϕt = ϕp + ϕs
D. ϕt = ϕmt + ϕpt
Answer» E.
Discussion
7.

The prestressed concrete member develops deformation under the influence of __________

A. Flexural moments
B. Stress strain diagram
C. Prestress and transverse loads
D. Self weight
Answer» D. Self weight
Discussion
8.

The deflection of prestressed members can be computed relative to given __________

A. Bending moment
B. Strain diagram
C. Curvature
D. Datum
Answer» E.
Discussion
9.

The deformation of prestressed members change with time as a result of __________

A. Creep and shrinkage
B. Friction and torsion
C. Deformation and flexibility
D. Cracking moment
Answer» B. Friction and torsion
Discussion
10.

A_SIMPLIFIED_BUT_AN_APPROXIMATE_PROCEDURE_FOR_COMPUTING_LONG_TIME_DEFLECTIONS_IS_GIVEN_BY:?$

A. Siess
B. Corley
C. Lin
D. Doglas
Answer» D. Doglas
Discussion
11.

The_long_time_deflections_are_expressed_as:$

A. a<sub>f</sub> = (a<sub>il</sub>-a<sub>ip</sub>xp<sub>t</sub>/p<sub>i</sub>) (1+ϕ)
B. a<sub>f</sub> = (a<sub>il</sub>-a<sub>ip</sub>xp<sub>t</sub>/p<sub>i</sub>)
C. a<sub>f</sub> = (a<sub>il</sub>-a<sub>ip</sub>xp<sub>t</sub>/p<sub>i</sub>)
D. a<sub>f</sub> = (a<sub>il</sub>-a<sub>ip</sub>xp<sub>t</sub>/p<sub>i</sub>)
Answer» B. a<sub>f</sub> = (a<sub>il</sub>-a<sub>ip</sub>xp<sub>t</sub>/p<sub>i</sub>)
Discussion
12.

The creep curvature due to prestress is obtained on the simplified assumption that creep is induced by the average prestress acting over the given time is according to?

A. Busemann
B. Douglas
C. Lorley
D. Neville
Answer» E.
Discussion
13.

Which of the following person made attributions to evaluate the curvature under simplified assumptions?

A. Mchenry
B. Rose
C. Daglon
D. Carnwallis
Answer» B. Rose
Discussion
14.

The creep strain due to the transverse loads is directly computed as a function of:

A. Strain coefficient
B. Creep coefficient
C. Stress coefficient
D. Bending
Answer» D. Bending
Discussion
15.

The section of sustained transverse loads under compressive stress distribution in the concrete changes with:

A. Time
B. Intensity
C. Bending moment
D. Curing
Answer» B. Intensity
Discussion
16.

The net curvature ϕtat a section at any given stage is given as:$

A. ϕ<sub>t</sub> = ϕ<sub>w</sub> + ϕ<sub>e</sub>
B. ϕ<sub>t</sub> = ϕ<sub>m</sub> + ϕ<sub>n</sub>
C. ϕ<sub>t</sub> = ϕ<sub>p</sub> + ϕ<sub>s</sub>
D. ϕ<sub>t</sub> = ϕ<sub>mt</sub> + ϕ<sub>pt</sub>
Answer» E.
Discussion
17.

The deformation of prestressed members change with time as a result of:

A. Creep and shrinkage
B. Friction and torsion
C. Deformation and flexibility
D. Cracking moment
Answer» B. Friction and torsion
Discussion