RCC Structures Design
The advantage of reinforced concrete, is due to

Fire-resisting and durability
All listed here
Economy because of less maintenance cost
Monolithic character

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

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

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