Civil Engineering - Concrete Technology

31.
For the construction of cement concrete floor, the maximum permissible size of aggregate, is
4 mm
6 mm
8 mm
10 mm
12 mm
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known
grading
curing
mixing
batching
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
Pick up the correct statement from the following:
Insufficient quantity of water makes the concrete mix harsh
Insufficient quantity of water makes the concrete unworkable
Excess quantity of water makes the concrete segregated
Excess quantity of water causes bleeding in concrete
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
The preliminary test is repeated if the difference of compressive strength of three test specimens, exceeds
5 kg/cm2
8 kg/cm2
10 kg/cm2
12 kg/cm2
15 kg/cm2
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
Pick up the correct proportions of chemical ingredients of cement
Lime : Silica : Alumina : Iron oxide : 63 : 22 : 6 : 3
Silica : Lime : Alumina : Iron oxide : 63 : 22 : 6 : 3
Alumina : Silica : Lime : Iron oxide : 63 : 22 : 6 : 3
Iron oxide : Alumina : Silica : Lime : 63 : 22 : 6 : 3
Answer: Option
Explanation:
No answer description is available. Let's discuss.