Reinforced Concrete Structures MCQs (Part-1)

What is the primary purpose of reinforcement in concrete?

A Reduce cost
B Improve appearance
C Increase tensile strength
D Increase density

Which of the following is the most common grade of concrete used in residential buildings?

A M40
B M20
C M10
D M60

What is the main function of shear reinforcement in beams?

A Prevent cracking
B Resist bending moments
C Improve durability
D Resist shear forces

Which type of slab is supported on all four sides?

A Cantilever slab
B Two–way slab
C Flat slab
D One–way slab

What is the minimum percentage of steel required in a reinforced concrete column?

A 0.8%
B 1.5%
C 1.0%
D 2.0%

What is the purpose of providing cover to reinforcement in concrete?

A Increase strength
B Improve aesthetics
C Prevent corrosion
D Reduce weight

Which of the following is a characteristic of prestressed concrete?

A High tensile strength
B No reinforcement required
C Pre–compression in concrete
D Low compressive strength

What is the primary cause of creep in concrete?

A High temperature
B Rapid drying
C Chemical reactions
D Long–term loading

Which limit state ensures the structure remains functional and comfortable for users?

A Fatigue limit state
B Serviceability limit state
C Stability limit state
D Ultimate limit state

What is the purpose of bond in reinforced concrete?

A Increase durability
B Reduce shrinkage
C Transfer load between concrete and steel
D Improve workability

Which of the following is a common method for designing reinforced concrete structures?

A Elastic method
B Limit state method
C Plastic method
D All of the above

What is the main purpose of ductile detailing in earthquake–resistant design?

A Improve energy absorption
B Increase stiffness
C Enhance aesthetics
D Reduce weight

Which type of foundation is used for transferring heavy loads to deep soil strata?

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

What is the primary cause of punching shear in flat slabs?

A Temperature changes
B Bending moments
C Lateral forces
D Concentrated loads

Which code of practice is commonly used for reinforced concrete design in India?

A IS 456
B IS 1893
C IS 1343
D IS 800