SSC JE Civil Engineering 24th Jan 2018 Shift-2

Instructions

For the following questions answer them individually

Question 161

Concrete mainly consists of

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Question 162

A concrete using an air entrained cement

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Question 163

of keeping concrete wet to enable it to attain full strength is known as:-

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Question 164

Segregation is responsible for

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Question 165

$$W_p$$ and $$W_f$$ are the weights of a cylinder containing partially compacted and fully compacted concrete. If the compaction factor ($$W_p$$/$$W_f$$ ) is 0.95, the workability of concrete is

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Question 166

The process of hardening the concrete by keeping its surface moist is known

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Question 167

Pick up the correct statement from the following

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Question 168

The final operation of finishing floors is known as

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Question 169

Expansion joints are provided if the length of concrete structures exceeds

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Question 170

A flaky aggregate is said to be elongated if its length is

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