Statement 1: Starch is _____ as its viscosity decreases with an increase in shear stress.Statement 2: Bingham plastics follow Newton’s law of viscosity at low shears.

Statement 1: Starch is _____ as its viscosity decreases with an incre

1.	Statement 1: Starch is _____ as its viscosity decreases with an increase in shear stress.Statement 2: Bingham plastics follow Newton’s law of viscosity at low shears.
A.	Bingham, False
B.	Dilatant, True
C.	Pseudo plastic, False
D.	Newtonian fluid, True
Answer» D. Newtonian fluid, True

Discussion

No Comment Found

Related MCQs

Statement 1: Brookfield viscometer is very robust, is supported by software and even shows values of K and n, but, sometimes particles suspended in the fluid cause problems.Statement 2: Drawbacks of plate and cone viscometer: edge-effects, turbulence and temperature effects.
Statement 1: Brookfield viscometer is an example of Coaxial Cylinder Viscometer.Statement 2: Working principle of a Brookfield viscometer: Two coaxial cylinders. Liquid is filled in between them. The viscosity produces torque which is directly proportional to the shear stress.
Statement 1: Considering the equation, μ_a= τ/γ = Kγ(n-1) , for pseudo plastic fluids, n<1 and they’re called Shear thinning liquids and dilatant fluids are called Shear thickening liquids as n>1.Statement 2: Cooked starch solution is a Shear thinning liquid and dairy cream is a Shear thickening liquid.
Statement 1: In μ_a= τ/γ = Kγ(n-1) , n = consistency index and K is the flow behaviour index.Statement 2: n= 1 for Newtonian fluids, n<1 for dilatant fluids and n>1 for pseudo plastic fluids.
Statement 1: Apparent viscosity μ_a is related to shear stress (τ) and shear strain (γ) as μ_a= τ/γ.Statement 2: The equation τ=Kγn becomes μ_a= τ/γ = Kγ(n-1) .
Statement 1: Blood is a _____Statement 2: Thixotropic fluids are fluids whose viscosity decreases when subjected to shear stress initially but eventually with time, the viscosity increases.
Statement 1: Starch is _____ as its viscosity decreases with an increase in shear stress.Statement 2: Bingham plastics follow Newton’s law of viscosity at low shears.
STATEMENT_1:_BROOKFIELD_VISCOMETER_IS_AN_EXAMPLE_OF_COAXIAL_CYLINDER_VISCOMETER.?$
Statement_1:_Brookfield_viscometer_is_very_robust,_is_supported_by_software_and_even_shows_values_of_K_and_n,_but,_sometimes_particles_suspended_in_the_fluid_cause_problems.$
Which of the following is a name of an actual viscometer?

Statement 1: Starch is _____ as its viscosity decreases with an increase in shear stress.Statement 2: Bingham plastics follow Newton’s law of viscosity at low shears.

Discussion

No Comment Found

Related MCQs

Reply to Comment