Concrete Technology Sheet 20
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1) Question.
The compressive strength of 100 mm cube as compared to 150 mm cube is always
Answer. -
2) Question.
Strength of concrete increases with
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3) Question.
The approximate value of the ratio between direct tensile strength and flexural strength
isAnswer. -
4) Question.
The relation between modulus of rupture fcr, splitting strength fcs and direct tensile
strength fct is given byAnswer. -
5) Question.
Air entrainment in the concrete increases
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6) Question.
Approximate value of shrinkage strain in concrete, is
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7) Question.
Workability of concrete is inversely proportional to
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8) Question.
Workability of concrete is directly proportional to
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9) Question.
The property of the ingredients to separate from each other while placing the concrete is
calledAnswer. -
10) Question.
Select the incorrect statement1
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11) Question.
The property of fresh concrete, in which the water in the mix tends to rise to the surface
while placing and compacting, is calledAnswer. -
12) Question.
If the width of the foundation for two equal columns is restricted, the shape of the footing
generally adopted, isAnswer.
