Concrete Technology Sheet 11
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1) Question.
The heat of hydration of cement can be reduced by
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2) Question.
Impact strength of concrete is greater for
i) water stored concrete than for dry concrete
ii) angular crushed aggregates
iii) rounded aggregates
The correct answer is
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3) Question.
Ultimate strength of cold drawn high steel wires
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4) Question.
Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than
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5) Question.
Stress strain curve of high tensile steel
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6) Question.
High carbon content in the steel causes
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7) Question.
Which of the following has high tensile strength
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8) Question.
The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone
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9) Question.
Which of the following the statements is incorrect?
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10) Question.
Which of the following statements is incorrect?
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11) Question.
The process of consolidating concrete mix after olacing it in position is termed as -
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12) Question.
To prevent segregation, the concrete should not be thrown from a height of more than -
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13) Question.
The diameter of the pipe line used for transportation of concrete by pumps should not exceed -
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14) Question.
In transportation of concrete by pumps -
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15) Question.
The concrete can be lifted by pumps through a maximum vertical distance of -
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16) Question.
For concreting of tunnel lining, the concrete is transported by -
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17) Question.
For continuous transportation of concrete, the method used is -
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18) Question.
The process of mixing, transporting, placing and compacting the cement concrete should not take more than -
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19) Question.
The mixer, which produces a steady stream of concrete as long as it is in operation, is known as -
Answer. -
20) Question.
The measuring 50 litres of aggregate, the inner dimensions of a farma should be -
Answer.
