Welcome to your Concrete Technology Mock test - 2

Take an exciting test in the topic of Concrete Technology

You have only 20 mins to complete the test (25 Questions)

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1)
Workability of concrete for a given water content is good if the aggregates, are
2)
Batching error means inaccuracy in the quantity of
3)
You are asked to construct a massive dam, the type of cement you will use, is
4)
Water required per bag of cement, is
5)
For compacting plain concrete road surface of thickness less than 20 cm, we use
6)
Too wet concrete may cause
7)
Addition of pozzolana to cement
8)
Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolana cement, is
9)
Pick up the incorrect statement from the following:
10)
The light weight aggregates are obtained from
11)
C.R.R.I. charts are used to obtain a relatioship between strength of concrete and
12)
1S. Sieve Nos. 10 mm and 4.75 mm are geneally used for grading of
13)
Pick up the incorrect statement from the following:
14)
For construction of structures in sea water, the cement generally preferred to, is
15)
According to the recommendations of IS : 456-1978, the expansion joints
16)
An aggregate is said to be flaky, if its least dimension is less than
17)
Ordinary concrete is not used for concrete grade
18)
Separation of coarse aggregates from mortar during transportation, is known
19)
Pick up the correct statement from the following:
20)
Specified compressive strengh of concrete is obtained from cube tests at the end of
21)
Hardening of cement occurs at
22)
ISI has specified full strength of concrete after
23)
The maximum thickness of concrete floor of a cement warehouse, is
24)
Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolana cement, is
25)
The final operation of finishing floors, is known as