What is the purpose of bond between concrete and reinforcement?
A Prevent corrosion
B Transfer stresses
C Improve workability
D Increase strength
What does “creep” in concrete affect?
A Durability
B Shrinkage
C Deflection
D Strength
Which grade of concrete is used for heavy traffic areas?
A M25
B M15
C M30
D M40
What is the function of a pile foundation?
A Prevent settlement
B Transfer load
C Increase load
D Improve aesthetic
What does torsion reinforcement resist?
A Axial loads
B Shear forces
C Twisting forces
D Bending moments
Which type of slab is supported on all four sides?
A One-way slab
B Two-way slab
C Flat slab
D Cantilever slab
What is a beam-column joint designed for?
A Load transfer
B Shear resistance
C Bending resistance
D Reinforcement anchorage
What does “ductile detailing” ensure in structures?
A Flexibility
B Increased load capacity
C Safety under seismic loads
D Strength
What is the effect of using a low water-cement ratio in concrete?
A Increase shrinkage
B Increase strength
C Decrease strength
D Increase permeability
What is the main use of a flat slab?
A Reduce construction time
B Reduce foundation size
C Increase load-bearing
D Improve bending strength
Which concrete grade is most commonly used for foundations?
A M25
B M20
C M15
D M30
What is a common cause of deflection in beams?
A High water-cement ratio
B High shrinkage
C High compression
D Low reinforcement
What is the main purpose of reinforcement in slabs?
A Increase load
B Resist shear
C Resist tension
D Resist bending
What does the term “punching shear” refer to?
A Shear failure near columns
B Cracking of beams
C Deflection at mid-span
D Bending failure
What type of concrete is best for water tanks?
A M30
B M40
C M15
D M20