Two sources of fine (F) and coarse aggregate (C) having respectively a specific surface =80 cm2/g and 5 cm2/g are used to prepare a mixture. Determine the proportion of the mixture (fine:coarse) in order to obtain a specific surface of the mixture = 30 cm2/g

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Two sources of fine (F) and coarse aggregate (C) having respectively a specific surface =80
cm2/g and 5 cm2/g are used to prepare a mixture.
Determine the proportion of the mixture (fine:coarse) in order to obtain a specific surface of the
mixture = 30 cm2/g
O a. 1:2
O b. 25% Fine : 75% Coarse
O c. 20% Fine : 80% Coarse
O d. 50% Fine : 50% Coarse
Transcribed Image Text:Two sources of fine (F) and coarse aggregate (C) having respectively a specific surface =80 cm2/g and 5 cm2/g are used to prepare a mixture. Determine the proportion of the mixture (fine:coarse) in order to obtain a specific surface of the mixture = 30 cm2/g O a. 1:2 O b. 25% Fine : 75% Coarse O c. 20% Fine : 80% Coarse O d. 50% Fine : 50% Coarse
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