Civil Engineering MCQCivil Engineering (Shared)
Before fresh concrete is placed against old concrete at a joint, the old surface should be:
Materials & ConstructionConstruction jointMEDIUM
Choose the correct answer
A
Painted with oil
B
Kept dry and loose
C
Left dusty
D
Properly cleaned, roughened and prepared
Correct Answer
D. Properly cleaned, roughened and prepared
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Proper joint preparation ensures bond and continuity between old and new concrete. Reference: Clause 13.4 | Page: verify from your official BIS copy/PDF pagination
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This MCQ belongs to IS 456:2000 Premium Series. Full tests include timed attempts, rank comparison and subject-wise analysis.