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DFCCIL_CE _Quiz 22

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Question 1

If the height of moist fine sand in a measuring cylinder is 10.5 cm and the height reduces when it is completely inundated to 8.2 cm. The percentage of bulking of sand is:

Question 2

A combined value of flakiness Index and elongated Index is to be determined for a sample of aggregates. The sequence in which the two tests are conducted

Question 3

Which of the following is water based varnishes?

Question 4

What is the treatment for making timber fireresistant?

Question 5

The defect which develops due to uncontrolled and non-uniform loss of moisture from wood is known as which one of the following?

Question 6

Acid-resistant cement and gypsum are examples of _________ materials.
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