Civil Engineering MCQAE Level Civil Engineering
As per IS 456, minimum cement content for M25 concrete (nominal mix/design mix) in moderate exposure:
RCCMaterials and IS 456MEDIUM
Choose the correct answer
A
300 kg/m³
B
250 kg/m³
C
350 kg/m³
D
400 kg/m³
Correct Answer
A. 300 kg/m³
Why is this the answer?
IS 456 Table 5: Moderate exposure — min cement 300 kg/m³, max w/c 0.50, min fck M25 (20 for structure). Mild: min 300 kg/m³, max w/c 0.55, min M20.
Related RCC MCQs
More solved RCC questions for AE/JE Civil Engineering exams.
- The 'ductility' of RC structures is improved under earthquake loading by:
- For a circular RC water tank with rigid base, the hoop tension is maximum at:
- The 'end block' in a post-tensioned member is specially designed for:
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- The 'minimum clear cover' for reinforcement in a RCC beam in severe exposure (IS 456) is:
- The 'torsion' in RC beams is resisted by:
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This MCQ belongs to Magic Mock Test Series — WBPSC AE Civil (Preliminary). Full tests include timed attempts, rank comparison and subject-wise analysis.