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# BARC 2020: Building Material and Construction Management Nuclear Quiz 2

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Question 1

Which of the following compound are used as a water proofing agent in concrete?

Question 2

Wp and Wf are the weight of the cylinder containing partially and fully compacted concrete. If the compacting factor (Wp/ Wf ) is 0.95, the workability of concerte is:

Question 3

Modular bricks are of nominal size 20 × 10 × 10 cm and 20% of the volume is lost in mortar between joints. The number of modular bricks required per cubic meter of brickwork [Round off to nearest integer]

Question 4

Which mortar is used for Guniting

Question 5

If the angularity number is 16, find the specific gravity of aggregates if their weight in a cylinder of volume 3000 cc is 4070 gm.

Question 6

Calcuate optimum cost for this project Indirect cost is 500 per duration.

Question 7

A machine costs Rs. 16,000. By constant rate of declining balance method of depreciation, its salvage value after an expected life of 3 years is Rs. 2,000. The rate of depreciation is

Question 8

In a CPM network the activity is non critical if

Question 9

Consider the following activity i-j of certain network. The value of Total Float*Free float*Independent Float is equal to Question 10

If the expected time for completion of a project is 10 days with a standard deviation of 2 days, the expected time of completion of the project with 99.9% probability is
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