Q: Choose appropriate Mixed design Grades (as per IS : 456-2000) for ordinary concrete :
- A. M20, M25, M30
- B. M35, M45, M55
- C. M10, M15, M20
- D. M45, M50, M55
Correct Answer:
Option C - As per IS : 456-2000, Clause 6.1,
Ordinary Concrete - M10, M15, M20
Standard Concrete - M25, M30, M35, M40, M45, M50, M55
High Strength Concrete - M60, M65, M70, M75, M80
C. As per IS : 456-2000, Clause 6.1,
Ordinary Concrete - M10, M15, M20
Standard Concrete - M25, M30, M35, M40, M45, M50, M55
High Strength Concrete - M60, M65, M70, M75, M80
Explanations:
As per IS : 456-2000, Clause 6.1, Ordinary Concrete - M10, M15, M20 Standard Concrete - M25, M30, M35, M40, M45, M50, M55 High Strength Concrete - M60, M65, M70, M75, M80Address
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