Strength of Materials Test Questions

Q.  A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal__________________?

a. density of metal can’t be determined
b. metal is twice as dense as water
c. metal will float in water
d. metal is twice as dense as unknown fluid
e. none of the above


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