| 1. | The length of a reinforced concrete pile is taken as .......... the length embedded in firm stratum ? | |
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one-half
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one-third
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two-third
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three-fourth
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Report Question| 2. | A combined trapezoidal footing for two columns becomes essential ? | |
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there is some restriction on the total length of the footing
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lightly loaded column is near the property line
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minimum loaded column is near the property line
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none of the above
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| 3. | A reinforced concrete beam will crack if tensile stress set up in the concrete below the neutral axis is ? | |
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less than the permissible stress
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more than the permissible stress
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equal to the permissible stress
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any one of these
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| 4. | When a circular slab simply supported at the edge is loaded with uniformly distributed load the stresses are developed in ? | |
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radial direction only
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circumferential direction only
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both radial and circumferential direction
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none of these
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| 5. | According to IS: 456- 1978, the deflection of reinforced concrete slab or beam, for the purpose of design, is limited to ............ of span ? | |
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0.2 %
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0.25%
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0.4%
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0.45%
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| 6. | For a circular slab carrying a uniformly distributed load, the ratio of maximum negative radial moment and the maximum positive radial moment is equal to ? | |
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2
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4
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6
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8
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| 7. | The heel slab of a retaining wall is reinforced at the ......... of the slab ? | |
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bottom face
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top face
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middle
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side
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| 8. | A combined footing for two columns should be designed for the ? | |
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minimum hogging bending moment
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sagging bending moment at the outer face of each column
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sagging bending moment at the inner face of each column
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none of the above
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| 9. | As per IS: 456-1978, the permissible value of bond stress for M15 grade of concrete is ? | |
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0.5 N/mm²
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1 N/mm²
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1.5 N/mm²
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2 N/mm²
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| 10. | For a longitudinal reinforcing bar in a column, the cover should not be less than ? | |
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10mm
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20mm
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30mm
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40mm
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