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

None of these
One diameter of thicker bar
One diameter of thinner bar
Twice the diameter of thinner bar

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RCC Structures Design
The angle of internal friction of soil mass is the angle whose

Sine is equal to the ratio of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
Cosine is equal to the ratio of the maximum resistance sliding on any internal inclined plane to the normal pressure acting on the plane
Tangent is equal to the rate of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
None of these

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RCC Structures Design
Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam

Are bent up at suitable places to serve as shear reinforcement
Are curtailed if not required to resist the bending moment
Are maintained at bottom to provide at least local bond stress
Are bent down at suitable places to serve as shear reinforcement

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