The concrete sample is cured at 15 degree Celsius for 28 days. If the origin temperature is taken as (-11) degree Celsius, what is the maturity (degree Celsius days) of the concrete sample?

112

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307

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402

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728

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Solution

The correct option is D 728
Given:
$Cured temperature = 15^{\circ} C$

$Time of curing = 28 days$

$Origin temperature = - 11^{\circ} C$

We know,

$Maturity = \sum time \times temperature$

$= 28 \times (15 - (- 11)) = 28 \times 26 = 728^{\circ} C days$

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The concrete sample is cured at 15 degree Celsius for 28 days. If the origin temperature is taken as (-11) degree Celsius, what is the maturity (degree Celsius days) of the concrete sample?

The correct option is D 728Given: Cured temperature=15∘C Time of curing=28 days Origin temperature=−11∘C We know, Maturity=∑time×temperature =28×(15−(−11))=28×26=728∘C days

The correct option is D 728
Given:
$Cured temperature = 15^{\circ} C$

$Time of curing = 28 days$

$Origin temperature = - 11^{\circ} C$

We know,

$Maturity = \sum time \times temperature$

$= 28 \times (15 - (- 11)) = 28 \times 26 = 728^{\circ} C days$