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Draughtsman Civil
Draughtsman Civil Set-1
Materials used for R.C.C and Tests
18

Materials used for R.C.C and Tests MCQ with Answers

18) What is the percentage reduction of strength for the 6 month old cement?

0.2

0.3

0.4

0.5

Answer is:

0.3

Materials used for R.C.C and Tests MCQ with Answers

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Related Materials used for R.C.C and Tests MCQ with Answers

19) What is the total quantity of coarse and fine aggregate for 50kg cement for M15 grade of concrete required?

625 kg

480 kg

330 kg

250 kg

Answer is:

330 kg

20) What is the compressive strength of 150 mm cube at 28 days ordinary concrete of grade M20?

15 N/mm²

20 N/mm²

25 N/mm²

30 N/mm²

Answer is:

20 N/mm²

21) Which type of cement available in three grades should be used for house construction?

Ordinary portland cement

Rapid hardening portland cement

Portland slag cement

h strength ordinary portland cement

Answer is:

Ordinary portland cement

22) What is the clear cover for foundation slabs and beams?

15 mm

25 mm

40 mm

50 mm

Answer is:

50 mm

Materials used for R.C.C and Tests MCQ with Answers

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