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WorksheetsConcrete Properties Quiz
Total questions: 19
Worksheet time: 10mins
The density range of normal concrete is
1500–1800 kg/m³
1800–2000 kg/m³
2200–2600 kg/m³
300–1200 kg/m³
The density range of light-weight concrete is
100–800 kg/m³
300–1850 kg/m³
2000–2400 kg/m³
2600–3000 kg/m³
Main advantage of light-weight concrete is
Higher compressive strength
Reduction in dead load
Higher cost
Increased self-weight
Strength of light-weight concrete mainly depends on
Colour of aggregate
Density of concrete
Type of curing
Shape of formwork
Light-weight concrete shows better
Sound absorption
Electrical conductivity
Magnetic property
Reflectivity
Fibre reinforced concrete improves
Brittleness
Crack resistance
Shrinkage only
Density
Most commonly used fibre is
Glass fibre
Nylon fibre
Steel fibre
Carbon fibre
Aspect ratio of fibre is defined as
Width/length
Diameter/length
Length/diameter
Area/volume
Random orientation of fibres gives
Anisotropic properties
Brittle behavior
Isotropic properties
Weak bonding
Increase in fibre volume generally
Reduces toughness
Reduces tensile strength
Increases tensile strength
Has no effect
PIC stands for
Polymer impregnated concrete
Pre-insulated concrete
Prestressed insulated concrete
Polymer induced concrete
Polymer impregnation mainly reduces
Density
Strength
Porosity
Weight
PIC shows higher resistance to
Abrasion
Sulphate attack
Freeze–thaw
All the above
Modulus of elasticity of PIC compared to normal concrete is
Lower
Same
Higher
Zero
Self-Compacting Concrete can flow
With vibration
With heavy compaction
Under its own weight
Only by pumping
Essential admixture for SCC is
Accelerator
Retarder
Superplasticizer
Air entrainer
Self-Compacting should possess
Filling ability
Passing ability
Segregation resistance
All the above
Slump flow test for self-compacting concrete is used to measure
Strength
Durability
Flowability
Density
V-funnel test used to measure
Setting time
Segregation resistance
