Concrete Technology Sheet 21
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1) Question.
In Vicat's apparatus, the diameter of Vicat plunger is -
Answer. -
2) Question.
The knowledge of a standard consistency of a cement paste is essential to perform -
Answer. -
3) Question.
Vicat's apparatus is used to perform -
Answer. -
4) Question.
The compressive strength of an ordinary Portland cement (1:3 cement mortar cube) after 7 days test should not be less than -
Answer. -
5) Question.
According to IS:269-1976, the requirement of an ordinary Portland cement is that -
Answer. -
6) Question.
The setting time of cement is the governing factor for -
Answer. -
7) Question.
Too much fineness of cement -
Answer. -
8) Question.
The fineness of cement is measured in terms of -
Answer. -
9) Question.
The phenomenon by virtue of which the cement does not undergo large change in volume when treated with water, is known as -
Answer. -
10) Question.
The hardening is the phenomenon by virtue of which -
Answer. -
11) Question.
The degree of grinding of cement is called -
Answer. -
12) Question.
Which of the following statement is correct? -
Answer. -
13) Question.
In the manufacture of pozzolona cement, the amount of pozzolona material added to ordinary Portland cement clinkers is about -
Answer. -
14) Question.
Pozzolana is essentially a silicious material containing clay upto -
Answer. -
15) Question.
"Colocrete" is the commercial term for -
Answer. -
16) Question.
The strength of concrete using air entraining cement gets reduced by -
Answer. -
17) Question.
For a structure subjected to the action of sea water, the cement used is -
Answer. -
18) Question.
Which of the following cements is expected to have the highest compressive strength after 3 days? -
Answer. -
19) Question.
Blast furnace slag cement is used for -
Answer. -
20) Question.
The cement, widely used in retaining walls, is -
Answer.
