Concrete Technology Sheet 22
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1) Question.
Rapid hardening cement is used -
Answer. -
2) Question.
The sum of the percentage of tricalcium silicate and dicalcium silicate for Portland cement varies from -
Answer. -
3) Question.
Which of the following statement is correct? -
Answer. -
4) Question.
Low percentage of tricalcium silicate and high percentage of dicalcium silicate in cement results in -
Answer. -
5) Question.
High percentage of tricalcium silicate and low percentage of dicalcium silicate in cement results in -
Answer. -
6) Question.
The tricalcium aluminate in cement has the property of -
Answer. -
7) Question.
The presence of dicalcium silicate in cement -
Answer. -
8) Question.
The presence of tricalcium silicate in cement -
Answer. -
9) Question.
Efflorescence in cement is caused due to the excess of -
Answer. -
10) Question.
After the final grinding, the cement is sieved through IS sieve number -
Answer. -
11) Question.
In order to provide colour, hardness and strength to the cement, the ingredient used is -
Answer. -
12) Question.
Lime when added in excess quantity -
Answer. -
13) Question.
Which of the following ingredient of cement when added in excess quantity, causes the cement set slowly? -
Answer. -
14) Question.
The gypsum is added to the cement for -
Answer. -
15) Question.
The chemical ingredient of cement which provides quick setting property to the cement is -
Answer. -
16) Question.
The proportion of lime, silica, alumina and iron oxide in a good Portland cement shold be -
Answer. -
17) Question.
Argillaceous materials contain ..... as their major constituent
Answer. -
18) Question.
In the manufacture of cement, the dry or wet mixture of calcareous and argillaceous materials burnt at a temperature between -
Answer. -
19) Question.
In the manufacture of cement, the dry or wet mixture of calcareous and argillaceous materials burnt in a -
Answer. -
20) Question.
Calcerous material used in the manufacture of cement consists of -
Answer.
