MCQOPTIONS
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MCQOPTIONS
This section includes 124 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Which one of the following is the basic assumption involved in designing of prestressed concrete members? |
| A. | plane member remains plane before and after bending |
| B. | variation of stresses in tensile reinforcement |
| C. | development of principle stresses |
| D. | hooke’s law is not valid for prestressing |
| Answer» B. variation of stresses in tensile reinforcement | |
| 102. |
Which of the following type of prestress applied to concrete in which tensile stresses to a limited degree are permitted is known as |
| A. | moderate prestressing |
| B. | partial prestressing |
| C. | full prestressing |
| D. | axial prestressing |
| Answer» C. full prestressing | |
| 103. |
A device which helps the tendons to transmit prestress to the member and maintain it for the design period is? |
| A. | cab cable |
| B. | anchorage |
| C. | tendon |
| D. | transfer |
| Answer» D. transfer | |
| 104. |
Prevention of bond between the steel and concrete is known as |
| A. | bond prestressed concrete |
| B. | axial prestressing |
| C. | de bonding |
| D. | proof stress |
| Answer» D. proof stress | |
| 105. |
The phenomena of reduction of stress in steel at a constant strain are known as |
| A. | reduction of stress |
| B. | relaxation of stress |
| C. | de bonding |
| D. | proof stress |
| Answer» D. proof stress | |
| 106. |
The ratio between the creep strain and elastic strain of concrete is defined as |
| A. | creep ratio |
| B. | creep elasticity |
| C. | creep coefficient |
| D. | creep factor |
| Answer» D. creep factor | |
| 107. |
The phenomena of drying process of contraction concrete refer to |
| A. | moisture loss |
| B. | shrinkage of concrete |
| C. | drying process |
| D. | weight loss |
| Answer» C. drying process | |
| 108. |
In case of continuous prestressed concrete members to gain continuity, splicing is done by |
| A. | reinforcement |
| B. | steel |
| C. | concrete |
| D. | tendons |
| Answer» E. | |
| 109. |
The load at which the prestressed member develops its first crack is called as |
| A. | transfer load |
| B. | creep load |
| C. | bending load |
| D. | cracking load |
| Answer» E. | |
| 110. |
In cab cable, the curved portion of the tendon and anchors lie in |
| A. | compression and tension zone |
| B. | cracking zone |
| C. | tension and compression zone |
| D. | loading zone |
| Answer» D. loading zone | |
| 111. |
In circular prestressing members, the tendons are supplied in form of |
| A. | cables |
| B. | bars |
| C. | wires |
| D. | rings |
| Answer» E. | |
| 112. |
The length of the prestressing tendon between the end of the member and the point where the steel attains its stress is called |
| A. | anchorage |
| B. | de bonding |
| C. | cracking load |
| D. | transmission length |
| Answer» E. | |
| 113. |
In the zone of anchorages the material preferred to minimize costs is |
| A. | high strength steel |
| B. | high strength bars |
| C. | high strength tendons |
| D. | high strength concrete |
| Answer» E. | |
| 114. |
The necessity of high strength concrete in prestressed concrete is due to |
| A. | shear and bonding |
| B. | loading and unloading |
| C. | cracking |
| D. | bending |
| Answer» B. loading and unloading | |
| 115. |
The significant observations which resulted from the pioneering research on prestressed concrete were |
| A. | high strength steel and losses of prestress |
| B. | high strength tendon and losses of creep |
| C. | high strength bars and losses of strain |
| D. | high strength rings and losses of shrinkage |
| Answer» B. high strength tendon and losses of creep | |
| 116. |
Development of early cracks in reinforced concrete is due to |
| A. | strains of steel |
| B. | stresses of steel |
| C. | ultimate load |
| D. | bending of steel |
| Answer» B. stresses of steel | |
| 117. |
In reinforced concrete members, the prestress commonly introduced is |
| A. | tensioning steel reinforcement |
| B. | tensioning wood reinforcement |
| C. | tensioning rings |
| D. | tensioning plates |
| Answer» B. tensioning wood reinforcement | |
| 118. |
The attempt to introduce permanently acting forces in concrete to resist the elastic forces is |
| A. | prestressing |
| B. | loading |
| C. | pre-straining |
| D. | bending |
| Answer» B. loading | |
| 119. |
The concept is used in many branches of civil engineering and building construction? |
| A. | reinforced concrete |
| B. | prestressed concrete |
| C. | steel concrete |
| D. | lump sum concrete |
| Answer» C. steel concrete | |
| 120. |
The earliest examples of wooden barrel construction by force-fitting of metal bands and shrink-fitting of metal tiers of wooden wheels indicate the art of |
| A. | prestressing |
| B. | tensioning |
| C. | stress |
| D. | straining |
| Answer» B. tensioning | |
| 121. |
The prestressing of concrete member is carried out to reduce |
| A. | compressive stresses |
| B. | tensile stresses |
| C. | bending stresses |
| D. | shear force |
| Answer» B. tensile stresses | |
| 122. |
Which of the following basic concept is involved in the analysis of prestressed concrete members? |
| A. | combined and bending stresses |
| B. | principle stresses |
| C. | shear stresses |
| D. | overhead stresses |
| Answer» B. principle stresses | |
| 123. |
In reinforced concrete members the prestress is commonly introduced by |
| A. | tensioning the steel reinforcement |
| B. | tendons |
| C. | shortening of concrete |
| D. | rings |
| Answer» B. tendons | |
| 124. |
The phenomena of development of internal tensile stresses in a concrete member by means of tensioning devices are called as |
| A. | pre-tensioning |
| B. | post-tensioning |
| C. | prestressing of concrete |
| D. | thermoelectric prestressing |
| Answer» D. thermoelectric prestressing | |