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Quiz 3

Quiz by Wincentre Classes

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10 questions
Show answers
  • Q1
    Flexural strength of concrete is given by
    0.07 √(fck)
    0.7 fck
    0.07 fck
    0.7 √(fck)
    30s
  • Q2
    Maximum value of slump can be upto
    200mm
    250mm
    100mm
    300mm
    30s
  • Q3
    Minimum grade of concrete to be used in coastal area is
    M25
    M20
    M30
    M35
    30s
  • Q4
    The span to depth ratio for one way continuous slab is
    30
    35
    45
    40
    30s
  • Q5
    The maximum strain in concrete is limited to
    0.35
    0.00035
    0.0035
    0.035
    30s
  • Q6
    The process of removing holes and humps on the surface of concrete is termed as
    Screeding
    Finishing
    Floating
    Levelling
    30s
  • Q7
    An aggregate is said to be flaky, if its least dimension is less than
    3/5 mean dimension
    3/4 mean dimension
    1/2 mean dimension
    2/3 mean dimension
    30s
  • Q8
    For a given aggregate ratio increasing the water cement ratio
    Increases shrinkage
    Does not cause any change in concrete
    Increases strength
    Increases bond strength
    30s
  • Q9
    Increase in workability with aggregate size is due to:
    Decrease in the surface area and cement content
    Decrease in surface area and increase in fluidity
    Increase in the surface area and cohesiveness
    Decrease in the voids and cohesiveness
    30s
  • Q10
    The increase in the strength of concrete with time is
    Asymptotic
    Linear
    Non-linear
    Parabolic
    30s

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