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Design of Rectangular Reinforced Concrete Beam

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What is the primary function of providing reinforcement in a rectangular reinforced concrete beam?

a: To increase the compressive strength of the beam Explanation

Explanation

b: To enhance the beam's aesthetic appeal Explanation

Explanation

c: To reduce the weight of the beam Explanation

Explanation

d: To resist tensile forces and improve flexural capacity Explanation

Explanation

In a simply Supported rectangular RC beam, where is the maximum moment generally located?

a: At the support Explanation

Explanation

b: At the midspan Explanation

Explanation

c: At the point of maximum deflection Explanation

Explanation

d: At the free end Explanation

Explanation

What is the primary purpose of providing longitudinal reinforcement in a rectangular reinforced concrete beam?

a: Increase compressive strength Explanation

Explanation

b: Enhance tensile strength Explanation

Explanation

c: Improve durability Explanation

Explanation

d: Reduce deflection Explanation

Explanation

When is shear reinforcement required in a rectangular RC beam?

a: When the beam is excessively deep Explanation

Explanation

b: When shear stress exceeds the capacity of concrete Explanation

Explanation

c: When the beam is subjected to pure axial loads Explanation

Explanation

d: When the beam is long and slender Explanation

Explanation

What are the primary failure modes of a rectangular RC beam?

a: Tensile and compressive failure Explanation

Explanation

b: Shear and torsional failure Explanation

Explanation

c: Flexural and shear failure Explanation

Explanation

d: Bending and axial failure Explanation

Explanation

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