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This section includes 25 Mcqs, each offering curated multiple-choice questions to sharpen your Dairy Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
Deformation force can be ______________ |
A. | Static |
B. | Dynamic |
C. | Static and dynamic |
D. | Short |
Answer» D. Short | |
2. |
Flow is a kind of __________ |
A. | Breakage |
B. | Reversible deformation |
C. | Irreversible deformation |
D. | Liquid |
Answer» D. Liquid | |
3. |
The force required to maintain a relative velocity of 1cm/sec between two parallel planes placed 1 cm apart is called ________ |
A. | acceleration |
B. | buoyancy force |
C. | viscosity |
D. | flow |
Answer» B. buoyancy force | |
4. |
Lactose, whey proteins and milk salts have less contribution towards the viscosity of milk compared with the casein which alone is contributing substantially towards this property. |
A. | True |
B. | False |
Answer» B. False | |
5. |
The unit of viscosity is __________ |
A. | Gamma |
B. | Pascal |
C. | Poise |
D. | Bar |
Answer» D. Bar | |
6. |
Which of the following factors does not affect the viscosity of milk? |
A. | State and concentration of proteins |
B. | State and concentration of Fat |
C. | Temperature and Age of Milk |
D. | Spoilage |
Answer» E. | |
7. |
Temperatures above 65° C _______ viscosity of skim milk. |
A. | Parabolic decrease |
B. | Linear decrease |
C. | Constant |
D. | Increase |
Answer» E. | |
8. |
Viscosity of Skim milk depends on __________ |
A. | Temperature |
B. | pH |
C. | Temperature and pH |
D. | Moisture |
Answer» D. Moisture | |
9. |
Viscosity of milk and milk products is important in not determining __________ |
A. | the rate of creaming |
B. | rates of mass and heat transfer |
C. | the flow conditions in dairy processes |
D. | spoilage rate |
Answer» E. | |
10. |
At 30℃, water has the viscosity of __________ |
A. | 0.801 |
B. | 1 |
C. | 2 |
D. | 6.29 |
Answer» B. 1 | |
11. |
THE_UNIT_OF_VISCOSITY_IS_:?$ |
A. | Gamma |
B. | Pascal |
C. | Poise |
D. | Bar |
Answer» D. Bar | |
12. |
The force required to maintain a relative velocity of 1cm/sec between two parallel planes placed 1 cm apart is called ________$ |
A. | acceleration |
B. | buoyancy force |
C. | viscosity |
D. | flow |
Answer» B. buoyancy force | |
13. |
State_true_or_False-_Lactose,_whey_proteins_and_milk_salts_have_less_contribution_towards_the_viscosity_of_milk_compared_with_the_casein_which_alone_is_contributing_substantially_towards_this_property.$ |
A. | True |
B. | False |
Answer» B. False | |
14. |
Viscosity varied ________ with temperature and _______ with fat content of milk. |
A. | Linearly and exponentially |
B. | Exponentially and linearly |
C. | Exponentially and exponentially |
D. | Linearly and linearly |
Answer» C. Exponentially and exponentially | |
15. |
Deformation force can be: |
A. | Static |
B. | Dynamic |
C. | Static and dynamic |
D. | Short |
Answer» D. Short | |
16. |
Elasticity is___________ |
A. | Breakage |
B. | Reversible deformation |
C. | Irreversible deformation |
D. | Liquid |
Answer» C. Irreversible deformation | |
17. |
Flow_is_a_kind_of: |
A. | Breakage |
B. | Reversible deformation |
C. | Irreversible deformation |
D. | Liquid |
Answer» D. Liquid | |
18. |
Which of the following factors does not affect the viscosity of mil? |
A. | State and concentration of proteins |
B. | State and concentration of Fat |
C. | Temperature and Age of Milk |
D. | Spoilage |
Answer» E. | |
19. |
Cooled raw milk and cream exhibit which of the following flow behavior? |
A. | Newtonian |
B. | Non Newtonian |
C. | Sticky |
D. | None |
Answer» C. Sticky | |
20. |
Temperatures above 65° C _______viscosity of skim milk.$ |
A. | Parabolic decrease |
B. | Linear decrease |
C. | Constant |
D. | Increase |
Answer» E. | |
21. |
Decrease in temperature of milk leads to _______ in viscosity. |
A. | Parabolic decrease |
B. | Linear decrease |
C. | Constant |
D. | Increase |
Answer» E. | |
22. |
Viscosity of Skim milk depends on: |
A. | Temperature |
B. | pH |
C. | Temperature and pH |
D. | Moisture |
Answer» D. Moisture | |
23. |
Skim milk exhibit which of the following flow behavior? |
A. | Newtonian |
B. | Non Newtonian |
C. | Pseudo plastic |
D. | Diliant |
Answer» B. Non Newtonian | |
24. |
Viscosity of milk and milk products is important in not determining : |
A. | the rate of creaming |
B. | rates of mass and heat transfer |
C. | the flow conditions in dairy processes |
D. | spoilage rate |
Answer» E. | |
25. |
At 30‚ÑÉ, water has the viscosity of : |
A. | 0.801 |
B. | 1 |
C. | 2 |
D. | 6.29 |
Answer» B. 1 | |