According to Power's formula the theoretical compressive strength of sample of concrete with gel space ratio 0.59 is

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SSC JE CE Previous Year Paper 10 (Held on 30 Oct 2020 Evening)
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  1. 97.24 MPa
  2. 49.29 MPa
  3. 57.2 MPa
  4. 78.84 MPa

Answer (Detailed Solution Below)

Option 2 : 49.29 MPa
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Detailed Solution

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Concept:

Theoretical strength of concrete is = 240 x3

x → gel-space ratio = 0.59

Calculation:

Theoretical strength = 240 × (0.59)3

= 49.29 N/mm2

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