Answer:
compression ratio is 7 : 1
Explanation:
given data
volume v1 = 70 cubic inches
volume v2 = 10 cubic inches
to find out
compression ratio
solution
we know that here compression ratio formula that is
compression ratio = [tex]\frac{maximum volume of cylinder}{minimum volume of cylinder}[/tex] ...................1
put here value maximum = 70 and minimum is 10
so
compression ratio = [tex]\frac{70}{10}[/tex]
compression ratio = [tex]\frac{7}{1}[/tex]
so compression ratio is 7 : 1