FM Lecture 1

is compressible

is incompressible and has negligible surface tension

is incompressible and non-viscous (inviscid) and has negligible surface tension

is compressible, viscous has negligible surface tension

shear stress is directly proportional to the velocity

shear stress is directly proportional to velocity gradient

shear stress is directly proportional to shear strain

shear stress is directly proportional to the viscosity

is incompressible and non-viscous

obeys Newton’s law of viscosity

is highly viscous

is compressible and non-viscous

dynamic viscosity × density

dynamic viscosity/density

dynamic viscosity × pressure

pressure × density

MLT^–2

ML^–1T^–1

ML^–1T^–2

M^–1L^–1T^–1

mass density

kinematic viscosity

viscosity

velocity gradient

increases the viscosity of a liquid

decreases the viscosity of a liquid

decreases the viscosity of a gas

increases the viscosity of a gas

surface tension

viscosity

kinematic viscosity

none of the above

9.81

98.1

981

0.981

μ × ρ

μ/ρ

ρ/μ

none of the above