SSC JE Civil Engineering 25th Jan 2018 Shift-2

Instructions

For the following questions answer them individually

Question 161

The lower water cement ratio in concrete, introduces

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Question 162

Di-calcium silicate (C2)

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Question 163

Pick up the correct statement from the following:

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Question 164

C.R.R.I charts are used to obtain a relationship between strength of concrete and

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Question 165

Pick up the incorrect statement from the following:

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Question 166

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

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Question 167

Under normal conditions using an ordinary cement the period of removal of the
form work is

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Question 168

Too wet concrete may cause

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Question 169

The surface where two successive placements of concrete meet are known as

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Question 170

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

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