For the following questions answer them individually
The lower water cement ratio in concrete, introduces
Di-calcium silicate (C2)
Pick up the correct statement from the following:
C.R.R.I charts are used to obtain a relationship between strength of concrete and
Pick up the incorrect statement from the following:
If the engineer - in - charge approves, the 10 cm cubes may be used for the
work test of concrete provided maximum nominal size of aggregate does not
exceed
Under normal conditions using an ordinary cement the period of removal of the
form work is
Too wet concrete may cause
The surface where two successive placements of concrete meet are known as
An aggregate which passes through 25 mm I.S. sieve and is retained on 20 mm
sieve, is said to be flaky if its least dimension is less than