Reinforced Concrete Structures MCQs (Part-4)

What is the primary purpose of providing spacing between reinforcement bars?

A Increase concrete strength
B Improve aesthetics
C Ensure proper bond and compaction
D Reduce cost

Which of the following is a characteristic of lightweight concrete?

A High shrinkage
B Low thermal conductivity
C High density
D High compressive strength

What is the primary purpose of a cantilever slab?

A Reduce deflection
B Support loads on all sides
C Project beyond supports
D Increase bond strength

Which of the following is a common cause of punching shear failure in flat slabs?

A Concentrated loads
B Lateral forces
C Bending moments
D Low reinforcement ratio

What is the primary purpose of a raft foundation?

A Reduce construction time
B Improve aesthetics
C Distribute loads over a large area
D Transfer loads to deep soil

Which of the following is a key factor in the mix design of concrete?

A Water–cement ratio
B Column size
C Reinforcement spacing
D Beam depth

What is the primary purpose of providing hooks in reinforcement bars?

A Increase bond strength
B Ensure proper anchorage
C Reduce deflection
D Improve aesthetics

Which of the following is a common method for structural retrofitting?

A Adding new columns
B Reducing loads
C Increasing water–cement ratio
D Applying fiber–reinforced polymers (FRP)

What is the primary purpose of a water tank in reinforced concrete design?

A Improve aesthetics
B Increase soil strength
C Store water
D Reduce foundation depth

Which of the following is a key consideration in earthquake–resistant design?

A High shrinkage
B Ductility
C Low reinforcement ratio
D High stiffness

What is the primary purpose of the working stress method?

A Increase ductility
B Ensure ultimate strength
C Reduce deflection
D Limit stresses under service loads

Which of the following is a common type of foundation for high–rise buildings?

A Raft foundation
B Strip foundation
C Pile foundation
D Isolated foundation

What is the primary purpose of reinforcement detailing?

A Reduce concrete strength
B Ensure proper placement of bars
C Increase shrinkage
D Improve aesthetics

Which of the following is a key factor in the durability of concrete?

A Low compressive strength
B High shrinkage
C Low permeability
D High water–cement ratio

What is the primary purpose of torsion reinforcement in beams?

A Resist bending moments
B Resist twisting forces
C Improve bond strength
D Reduce deflection