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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. Mass
egg - vinegar - oil
kneading
bulk density
Electrostatic separators
2. Ratios above 100:1
caustic peeler
oil/vinegar
rollers
fine grine
3. A fluid suspension of a colloidal solid in a liquid
forming
latent heat of vaporization
high viscosity liquids
sol
4. The ability to form a homogenous mixture
pulping
Miscibility
ductile foods
First stage to create small particle size- second to disperse clumping
5. Generally mixed with slow-speed - vertical-shaft impellers such as a anchor and gate agitator
high viscosity liquids
First stage to create small particle size- second to disperse clumping
egg yolk
shear stress
6. Amount of energy it takes to change the temperature
second pressure drop
Specific heat
ductility
latent heat
7. Shear and impact forces - used for spice manufacturing - 70:30 impact predominated
latent heat of vaporization
Pin and disc mill
batch - convayer - immersion - truck
abrasion peeling
8. Multiple paddle agitators - Planetary/Orbital - Z-Blade - Rotor-Stator
emulsifying/homogenizing
Magnetic separators and metal detection
mixers for high viscosity liquids
homogenization
9. Each thing we do to prevent degradation is one hurdle- name an example- packaging
batch - convayer - immersion - truck
latent heat of vaporization
oil/vinegar
hurdle technologies
10. Flour milled using this
heat
roller
oil/vinegar
Magnetic separators and metal detection
11. Helps prevent blinding
Specific gravity
non- newtonian fluids
vibrating
Air classifiers (AKA aspiration cleaners
12. Placed at goods intake - Before and after a unit operation - At the end of a line
Magnetic separators and metal detection
latent heat
hammer mill
grading
13. Tumbling action inside a rotating vessel - Screw type - Double Reversing agitators
wet cleaning equipment
mixers for dry powder or particulate solids
hydrocooling
non- newtonian fluids
14. Track what goes into a system- account for everything that comes out minus what stays in the system
mass balance
Problems with dry cleaning methods
rotational
Specific gravity
15. Pseudoplastic
pulping
longitudinal - radial - rotational
shear- thinning fluids
Problems with dry cleaning methods
16. Used to chop meat and harder fruits and veggies into pulp
bulk density
impact
bowl chopper
hurdle technologies
17. Pressure- pushing but not dynamically loaded
over-run
shear
sorting
compressive force
18. Under motion pushing
roblems with wet cleaning
impact
sorting
sugar content
19. Dispersed phase in mayo
rollers
shear - impact - compression
oil/vinegar
Magnetic separators and metal detection
20. Dividing based on several characteristics capable of automatically
grading
shear
Pin and disc mill
newtonian fluid
21. = initial avg particle size/final avg particle size
size reduction ratio
hydrocooling
hydrometer
panning
22. The amount of energy it takes to change the state
latent heat
laminar
forming
crumbly
23. Loss of soluble components (e.g. sugar) - Cost of water and water disposal - Accelerate microbial/biological degradation
kneading
roblems with wet cleaning
disc mill
abrasion peeling
24. Ingredients in mayo
sorting
egg - vinegar - oil
Mixers for Low-or Medium Viscosity Liquids
compressive force
25. Deformation or stretch- change in length divided by the original length
high viscosity liquids
strain
kneading
baffle and angle
26. Energy from liquid to gas and vice versa
attrition mills
sugar content
latent heat of vaporization
rollers
27. Creates the smallest particle size
pulping
Magnetic separators and metal detection
rotational
stress
28. High-speed mixers - Hydroshear homogenizer - Membrane emulsifiers - Pressure homogenizers - Rotor-stator homogenizers - Ultrasonic- sound energy to break particles
reynolds number
latent heat
emulsifying/homogenizing
shear
29. To achieve a uniform distribution of the components of flow
goal of mixing
hydrometer
Comminution
Specific heat
30. Formed when one substance of very small particle size is dispersed through another substance and the two substances are immiscible
attrition mills
size reduction ratio
colloids
Latent heat of fusion
31. What can be done to minimize the rotational component in liquid mixing?
attrition mills
sol
hydrocooling
baffle and angle
32. Force between the layers in the fluid
shear stress
kneading
roblems with wet cleaning
roller
33. A friable food is
crumbly
ductile foods
baffle and angle
stress
34. Measures specific gravity
latent heat of vaporization
hydrometer
bowl chopper
grading
35. Size reduction equipment in order of decreasing size
mixers for high viscosity liquids
non- newtonian fluids
cutting- miller- pulper
course grind
36. Concentrated fruit juices - liquid chocolate - and corn flour suspension
fine grine
homogenization
non- newtonian fluids
cutting- miller- pulper
37. Used to be was dividing things on one characteristic
over-run
sorting
mixers for dry powder or particulate solids
shear
38. Efficient mixing is achieved by creating and recombining fresh surfaces
kneading
mass balance
mixers for high viscosity liquids
caustic peeler
39. What factors affect the degree of mixing that can be achieved with dry powders or particulate solids?
relative density
nip
hurdle technologies
ductility
40. Ratio below 8:1
impact
oil/vinegar
over-run
course grind
41. Limited number of applications where contaminants have a different surface charge from the raw material
shear
fine grine
Electrostatic separators
high viscosity liquids
42. Linear
kneading
laminar
batch - convayer - immersion - truck
attrition mills
43. Force per unit area
vibrating
Pin and disc mill
forced- air cooling
stress
44. Most energy used for size reduction goes to
ductility
colloids
oil/vinegar
heat
45. Swirls in the flow
oil/vinegar
shear stress
water activity
turbulent
46. Paddle - Multiple Impeller - Turbine - Propeller
nip
Mixers for Low-or Medium Viscosity Liquids
second pressure drop
roller
47. 3 things used for size reduction
shear - impact - compression
peeling
mixers for dry powder or particulate solids
vibrating
48. Advantages: chill and store in one place limits handling - Disadvantages: Can dry/dehydrate produce
hammer mill
mixers for high viscosity liquids
compressive force
forced- air cooling
49. = (vol of foam - vol liquid)/vol liquid) x 100
over-run
panning
sorting
Miscibility
50. Shearing breaks up fat globules in milk- but they still want to clump- pass through ------ disperses them
Miscibility
strain
second pressure drop
hydrometer