Fluid Mechanics Viscosity Question 145
Question: A metallic block weighs 15 N in air. It weighs 12 N when immersed in water and 13 N when immersed in another liquid. What is the specific gravity of the liquid?
Options:
A) 1/3
B) 2/3
C) 12/13
D) 13/15
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ \frac{\sigma }{{\rho_{W}}}=\frac{15}{15-12},\frac{\sigma }{{\rho_{l}}}=\frac{15}{15-13} $ $ \Rightarrow \frac{{\rho_{l}}}{{\rho_{W}}}=\frac{2}{3} $
BETA
