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Draughtsman Civil
Draughtsman Civil Set-1
Materials used for R.C.C and Tests
20

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

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

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

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

23) What is the density of steel?

75.8 q/m³

78.5 q/m³

85.7 q/m³

87.5 q/m³

Answer is:

78.5 q/m³

24) Which structure is constructed for the purpose of retaining earth or other materials like coal, ore, water etc.?

Load bearing wall

Non load bearing wall

Retaining wall

Wing wall

Answer is:

Retaining wall

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

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