| 1. | In a ribbed slab, the clear spacing between the ribs should not be more than ? | |
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300 mm
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450 mm
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600 mm
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800 mm
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Report Question| 2. | The losses in pre-stress in pre-tensioning system are due to ? | |
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friction
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shrinkage and creep of concrete
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elastic deformation of concrete when wires are tensioned successively
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none of the above
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| 3. | If the sides of a slab simply supported on its edges and spanning in two ways are equal, then the maximum bending moment is multiplied by ? | |
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0.25
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0.50
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0.75
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0.85
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| 4. | The major loss of pre-stress is caused due to ? | |
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creep of concrete
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relaxation of steel
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shrinkage of concrete
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all of these
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| 5. | In the steel beam theory of doubly reinforced concrete beams, it is assumed that ? | |
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compression steel resists the compression
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stress in compression steel is equal to stress in tension steel
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in tension and compression concrete, no stress in developed
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all of the above
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| 6. | The object of providing foundation to a structure is to ? | |
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distribute the load of superstructure over a large bearing area
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prevent the lateral movement of the supporting material
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increase the stability of structure
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all of the above
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| 7. | The spacing of vertical stirrups in a rectangular beam is ? | |
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maximum near the supports
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minimum near the supports
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maximum near the centre
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minimum near the centre
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| 8. | In reinforced cement concrete structures, the steel reinforcement consists of ? | |
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deformed bars
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cold twisted bars
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mild steel and medium tensile steel bars
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all of these
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| 9. | End bearing piles are used ? | |
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to transfer load through water or soft soil to a suitable bearing stratum
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to resist large horizontal or inclined forces
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to compact loose granular soils
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all of the above
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| 10. | The factor of safety due to overturning of the retaining wall is generally taken as ? | |
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2
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4
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6
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8
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