7- . are really interconnected spaces between the gel particles and occupy about 28% of the total volume of gel a- gel pores 8- Interlayer water is lost at low a- 30 % 9-Materials used in the manufacture of Portland cement must contain amounts of. . a) Calcium c- air voids ...relative humidity c-11% b- capillary pores d- inter layer space b-15% d-23% b) silica c) alumina d) iron components e) all of them.

Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter12: Composite Materials
Section: Chapter Questions
Problem 27CQ
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7- . are really interconnected spaces between the gel particles and occupy about
28% of the total volume of gel
a- gel pores
8- Interlayer water is lost at low . .relative humidity
a- 30 %
9-Materials used in the manufacture of Portland cement must contain amounts of...
a) Calcium
b- capillary pores
c- air voids
d- inter layer space
b-15%
c-11%
d-23%
b) silica
c) alumina
d) iron components
e) all of them.
Transcribed Image Text:7- . are really interconnected spaces between the gel particles and occupy about 28% of the total volume of gel a- gel pores 8- Interlayer water is lost at low . .relative humidity a- 30 % 9-Materials used in the manufacture of Portland cement must contain amounts of... a) Calcium b- capillary pores c- air voids d- inter layer space b-15% c-11% d-23% b) silica c) alumina d) iron components e) all of them.
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