Question: For questions 1 7 through 3 1 , using the Goldbeck and Gray Method and the information given, answer the multiple - choice questions that

For questions 17 through 31, using the Goldbeck and Gray Method and the information given, answer the multiple-choice questions that correspond to following matrix.
Mix for 1 cubic yard of concrete
Air-entraining structural concrete with strength of 3500PSI(pounds per square inch)
3-inch slump
Angular coarse aggregate:
No.4 to 1 inch
dry rodded weight =21lbs.
specific gravity (S.G.) of 2.8
Fine aggregate:
@ fineness modulus (FM) of 3.1
specific gravity (S.G.) of 2.5
Absorption values:
coarse -0.2%
@ fine -0.6%
specific gravity of cement -3.15
Weight of cement =94lbssack
For questions 1 7 through 3 1 , using the

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