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Test your basic knowledge |
Food Processing
Start Test
Study First
Subjects
:
industries
,
engineering
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Ingredients in mayo
forming
egg - vinegar - oil
rotational
strain
2. Pseudoplastic
impact
shear- thinning fluids
roblems with wet cleaning
Mixers for Low-or Medium Viscosity Liquids
3. Force per unit area
relative density
Electrostatic separators
stress
abrasion peeling
4. Ratio below 8:1
ductile foods
cutting- miller- pulper
course grind
grading
5. What factors affect the degree of mixing that can be achieved with dry powders or particulate solids?
relative density
vacuum cooling
latent heat
goal of mixing
6. Concentrated fruit juices - liquid chocolate - and corn flour suspension
First stage to create small particle size- second to disperse clumping
non- newtonian fluids
mixers for dry powder or particulate solids
vacuum cooling
7. Each thing we do to prevent degradation is one hurdle- name an example- packaging
crumbly
nip
hurdle technologies
Electrostatic separators
8. Gum- fruit by the foot
forced- air cooling
ductile foods
course grind
second pressure drop
9. Placed at goods intake - Before and after a unit operation - At the end of a line
pulping
Magnetic separators and metal detection
Specific heat
second pressure drop
10. Linear relationship between sheer rate and sheer stress
high viscosity liquids
Specific heat
newtonian fluid
Electrostatic separators
11. Shear and impact forces - used for spice manufacturing - 70:30 impact predominated
difference between rolls and biscuits
laminar
disc mill
Pin and disc mill
12. Flour milled using this
screens
high viscosity liquids
roller
Specific heat
13. Linear
bulk density
latent heat
panning
laminar
14. Ability to deform permanently without breaking
hammer mill
ductility
Latent heat of fusion
shear- thinning fluids
15. Used to chop meat and harder fruits and veggies into pulp
laminar
roblems with wet cleaning
bowl chopper
course grind
16. Dispersed phase in mayo
oil/vinegar
Comminution
sol
rotational
17. Force between the layers in the fluid
grading
mass balance
shear stress
cutting- miller- pulper
18. Limited number of applications where contaminants have a different surface charge from the raw material
Electrostatic separators
shear- thinning fluids
Magnetic separators and metal detection
second pressure drop
19. Efficient mixing is achieved by creating and recombining fresh surfaces
kneading
ductile foods
cutting- miller- pulper
Electrostatic separators
20. The amount of energy it takes to change the state
hammer mill
latent heat
disc mill
heat
21. 4 types of hydrocoolers
Air classifiers (AKA aspiration cleaners
batch - convayer - immersion - truck
Magnetic separators and metal detection
Problems with dry cleaning methods
22. Leavening agent- breads have the yeast with CO2 giving us the lift in the bread- want this to take place before the breaking - Biscuit- leavening agent - chemical reaction- lots take place during baking process
hydrocooling
difference between rolls and biscuits
egg yolk
hammer mill
23. Deformation or stretch- change in length divided by the original length
forced- air cooling
Electrostatic separators
baffle and angle
strain
24. Helps prevent blinding
forced- air cooling
disc mill
vibrating
reynolds number
25. Most energy used for size reduction goes to
hydrometer
shear rate
heat
turbulent
26. A friable food is
rotational
difference between rolls and biscuits
crumbly
newtonian fluid
27. Mixing component that is undesired
longitudinal - radial - rotational
rotational
grading
cutting- miller- pulper
28. Generally mixed with slow-speed - vertical-shaft impellers such as a anchor and gate agitator
laminar
Pin and disc mill
egg - vinegar - oil
high viscosity liquids
29. Involves tumbling in a drum with a silicon carbide or carborundum surface
stress
egg yolk
impact
abrasion peeling
30. Mass
bulk density
latent heat
Comminution
Specific gravity
31. Used to mill wheat- cereals and flours
egg yolk
vibrating
rollers
heat
32. Creates the smallest particle size
pulping
hydrocooling
difference between rolls and biscuits
sorting
33. High-speed mixers - Hydroshear homogenizer - Membrane emulsifiers - Pressure homogenizers - Rotor-stator homogenizers - Ultrasonic- sound energy to break particles
rollers
Pin and disc mill
emulsifying/homogenizing
Miscibility
34. Used to be was dividing things on one characteristic
baffle and angle
Comminution
bowl chopper
sorting
35. Advantages: Suitable for leafy vegetables; does NOT require spraying - or immersion with water - hence won't spread disease. High energy efficiency - Disadvantages: Some product shrinkage due to water loss.
vacuum cooling
turbulent
Magnetic separators and metal detection
Miscibility
36. Paddle - Multiple Impeller - Turbine - Propeller
Mixers for Low-or Medium Viscosity Liquids
non- newtonian fluids
sol
reynolds number
37. Track what goes into a system- account for everything that comes out minus what stays in the system
hydrometer
screens
mass balance
baffle and angle
38. Dividing based on several characteristics capable of automatically
egg - vinegar - oil
grading
second pressure drop
Magnetic separators and metal detection
39. Amount of energy it takes to change the temperature
vibrating
Specific heat
rotational
non- newtonian fluids
40. Generally used for products with high mechanical strength and low moisture - Relies on density and area difference
newtonian fluid
Mixers for Low-or Medium Viscosity Liquids
Air classifiers (AKA aspiration cleaners
shear- thinning fluids
41. Force that causes it to have friction with itself
mass balance
abrasion peeling
disc mill
shear
42. Ratios above 100:1
fine grine
shear - impact - compression
second pressure drop
First stage to create small particle size- second to disperse clumping
43. To achieve a uniform distribution of the components of flow
batch - convayer - immersion - truck
goal of mixing
heat
turbulent
44. Creates lots of heat - main force are shear action
attrition mills
sorting
bowl chopper
caustic peeler
45. Pressure- pushing but not dynamically loaded
shear stress
sorting
compressive force
Pin and disc mill
46. The ability to form a homogenous mixture
emulsifying/homogenizing
Miscibility
goal of mixing
Pin and disc mill
47. Hammers hit food but force it up to the top chamber - impact to the top of the machine- can change the screen size- can't leave impact zone until it is small enough to go through the screen
ductility
disc mill
panning
hammer mill
48. Under motion pushing
newtonian fluid
high viscosity liquids
panning
impact
49. Why do we use two pressure drops? EXAM QUESTION
kneading
First stage to create small particle size- second to disperse clumping
laminar
roller
50. Swirls in the flow
sol
latent heat
mass balance
turbulent