RCC STRUCTURES DESIGN QUIZ

Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less than

Twice the diameter of thinner bar

One diameter of thicker bar

None of these

One diameter of thinner bar

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The minimum clear cover for R.C.C. columns shall be

Greater of 40 mm or diameter

Smaller of 40 mm or diameter

Smaller of 25 mm or diameter

Greater of 25 mm or diameter

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The width of the flange of a T-beam should be less than

Breadth of the rib plus twelve times the thickness of the slab

Distance between the centers of T-beam

One-third of the effective span of the T-beam

Least of the above

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A pre-cast pile generally used, is

Circular

Square

Octagonal

Square with corners chamfered

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For a number of columns constructed in a rcjw, the type of foundation provided, is

Strip

Strap

Footing

Raft

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The diameter of longitudinal bars of a column should never be less than

12 mm

8 mm

6 mm

10 mm

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Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by

Grashoff formula

Rankine Grashoff formula

Marcus formula

Rankine formula

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For initial estimate for a beam design, the width is assumed

1/20th of span

1/25th of span

1/30th of span

1/15th of span

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High strength concrete is used in pre-stressed member

To overcome bursting stresses at the ends

All listed here

To overcome high bearing stresses developed at the ends

To provide high bond stresses

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An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus

UDL of wall + load from the roof

Triangular load + load from the roof

UDL of wall

Triangular load of the wall

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