| 1. | The diameter of longitudinal bars in a column should not be less than ? | |
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4 mm
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8 mm
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12 mm
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16 mm
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Report Question| 2. | The diameter of bars used for distribution reinforcement in slabs, may vary from ? | |
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2 to 4 mm
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4 to 6 mm
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6 to 8 mm
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8 to 12 mm
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| 3. | The maximum shear stress in a rectangular beam is ............. times of average shear stress ? | |
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1.15
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1.25
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1.50
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1.75
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| 4. | The neutral axis in a T-beam section falls ? | |
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within the flange
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outside the flange
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either (a) or (b)
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none of these
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| 5. | The pre-stressed concrete induces artificially ........... stresses in a structure before it is loaded ? | |
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tensile
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compressive
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shear
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tear
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| 6. | In stairs spanning horizontally, the distribution reinforcement provided in the form of ......... meter rods at 30 cm centre to centre is normally adequate ? | |
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4 mm
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6 mm
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10 mm
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12 mm
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| 7. | The bond between steel and concrete is mainly due to ? | |
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pure adhesive resistance
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frictional resistance
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mechanical resistance
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all of these
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| 8. | If the area of tensile steel reinforcement is doubled, the moment of resistance of the beam increases only by about ? | |
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12%
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22%
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32%
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42%
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| 9. | In a beam section, if the steel reinforcement is of such a magnitude that the permissible stresses concrete and steel are developed simultaneously, the section is known as ? | |
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balanced section
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critical section
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economical section
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any one of these
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| 10. | Which of the following statement is correct ? | |
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For bridge slabs, the amount of reinforcement is taken as 0.6 % of gross concrete area
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In a circular slab, the reinforcement is provided at the concave side of the slab
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The transverse reinforcement in a simply supported slab distributes the temperature stress
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all of the above
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