Test Preparation on RRB JE Mock Test-10
1.
Vibrated concrete needs ________________slump values
2.
The slump test of concrete is used to measure its
3.
The Vee-Bee test is suitable for concrete mixes of low and very low workabilities
4.
As per IS:456-1978, the concrete mixes are designated into
5.
Which of the following grade is not recommended by IS 456-1978?
6.
In order to prepare a test specimen, it is necessary to
7.
The ratio of differenct ingredients (cement, sand and aggregate) in concrete mix of grade M20 is.
8.
For mass concrete in piers and abutments, the grade of concrete mix used, is
9.
For highly loaded columns, the concrete mix used is
10.
The correct proportioning of various ingredients of concrete largely
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