Computer · Concrete Technology

According to IS 456, the maximum water-cement ratios for plain cement concrete (PCC) and reinforced cement concrete (RCC) under 'severe' exposure conditions are __ and _ respectively. Consider normal weight aggregates with 20 mm nominal maximum size.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

10.45; 0.45
20.60; 0.50
30.50; 0.45✓
40.40; 0.40

Correct answer

0.50; 0.45

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According to IS 456, the maximum water-cement ratios for plain cement concrete (PCC) and reinforced cement concrete (RCC) under 'severe' exposure conditions are __ and _ respectively. Consider normal weight aggregates with 20 mm nominal maximum size.

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According to IS 456, the maximum water-cement ratios for plain cement concrete (PCC) and reinforced cement concrete (RCC) under 'severe' exposure conditions are ________ and _______ respectively. Consider normal weight aggregates with 20 mm nominal maximum size.

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According to IS 456, the maximum water-cement ratios for plain cement concrete (PCC) and reinforced cement concrete (RCC) under 'severe' exposure conditions are __ and _ respectively. Consider normal weight aggregates with 20 mm nominal maximum size.