Specific gravity on API scale is given by the relation(where, G = spec – McqOptions

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1.	Specific gravity on API scale is given by the relation(where, G = specific gravity at 15.5°C).
A.	°API = 200(G - 1)
B.	°API = (141.5/G) - 131.5
C.	°API = (140/G) - 130
D.	°API = 145 - (145/G)
Answer» C. °API = (140/G) - 130

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