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Rheology and Microorganisms in Milk Online Exam Quiz

Important questions about Rheology and Microorganisms in Milk. Rheology and Microorganisms in Milk MCQ questions with answers. Rheology and Microorganisms in Milk exam questions and answers for students and interviews.

The diagram below is a graph of change in shear stress with respect to velocity gradient in a fluid. What is a type of the fluid?

Options

A : a. Newtonian

B : b. Non Newtonian

C : c. Ideal

D : d. Dilated

Why is it necessary to study flow behavior in dairy?

Options

A : a. To design food processing plant

B : b. To prevent spoilage

C : c. To design food processing plant and prevent spoilage

D : d. For nutrition

The science of deformation and flow of matter is called _____

Options

A : a. Welding

B : b. Bending

C : c. Tapping

D : d. Rheology

Consistency can be described as ___________

Options

A : a. Viscosity

B : b. Elasticity

C : c. Breakability

D : d. Viscosity and elasticity

Rheology stands for viscosity measurements, characterisation of flow behavior and determination of material structure.

Options

A : a. True

B : b. False

C : c. May be True or False

D : d. Can't say

The time required to reduce stress in the material by flow is called __________

Options

A : a. Peak time

B : b. Relaxation time

C : c. Stress time

D : d. No time

Milk is a ______ fluid.

Options

A : a. Viscous

B : b. Elastic

C : c. Visco-elastic

D : d. Extraneous

Which fluids are having a constant viscosity dependent on temperature but independent of the applied shear rate?

Options

A : a. Non-Newtonian

B : b. Newtonian

C : c. Dry

D : d. Wet

A Newtonian fluid is defined as the fluid which?

Options

A : a. Obeys hook’s law

B : b. Is compressible

C : c. Obey Newton’s law of viscosity

D : d. Is incompressible

Property of fluid that describes its internal resistance is known as __________

Options

A : a. Viscosity

B : b. Friction

C : c. Resistance

D : d. Internal energy

Stress strain relationship for a Newtonian fluid is __________

Options

A : a. Hyperbolic

B : b. Parabolic

C : c. Linear

D : d. Inverse type

For non-Newtonian fluids, apparent viscosity is a function of __________

Options

A : a. shear rate

B : b. flow rate

C : c. viscous rate

D : d. specific rate

Which of the following are now Newtonian material which is time independent?

Options

A : a. Thixotropic

B : b. Rheo-pectic

C : c. Anti-thixotropic

D : d. Plastic

Which of the following are now Newtonian materials which are time dependent?

Options

A : a. Shear thickening

B : b. Rheo-pectic

C : c. Shear thinning

D : d. plastic

Which among the following is not the example of thixotropic fluid?

Options

A : a. Yogurt

B : b. Ice cream

C : c. Mayonnaise

D : d. Milk

At 30?, water has the viscosity of __________

Options

A : a. 0.801

B : b. 1

C : c. 2

D : d. 6.29

Viscosity of milk and milk products is important in not determining __________

Options

A : a. the rate of creaming

B : b. rates of mass and heat transfer

C : c. the flow conditions in dairy processes

D : d. spoilage rate

Skim milk exhibit which of the following flow behavior?

Options

A : a. Newtonian

B : b. Non Newtonian

C : c. Pseudo plastic

D : d. Diliant

Viscosity of Skim milk depends on __________

Options

A : a. Temperature

B : b. pH

C : c. Temperature and pH

D : d. Moisture

Decrease in temperature of milk leads to _______ in viscosity.

Options

A : a. Parabolic decrease

B : b. Linear decrease

C : c. Constant

D : d. Increase

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