SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Creates the smallest particle size
homogenization
peeling
newtonian fluid
pulping
2. Efficient (minimize losses) - Low Cost - No product degradation
emulsifying/homogenizing
peeling
egg - vinegar - oil
goal of mixing
3. Amount of energy it takes to change the temperature
forming
bulk density
batch - convayer - immersion - truck
Specific heat
4. Ratio below 8:1
Magnetic separators and metal detection
ductility
course grind
hydrocooling
5. Amount of energy from solid to liquid and vice versa
Latent heat of fusion
bulk density
reynolds number
heat
6. Available moisture (relative vapor pressure)
water activity
vacuum cooling
Specific gravity
mixers for dry powder or particulate solids
7. 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
over-run
shear rate
Comminution
hammer mill
8. Generally mixed with slow-speed - vertical-shaft impellers such as a anchor and gate agitator
goal of mixing
high viscosity liquids
rotational
relative density
9. Used to mill wheat- cereals and flours
high viscosity liquids
crumbly
rollers
second pressure drop
10. Linear
First stage to create small particle size- second to disperse clumping
latent heat
laminar
mixers for dry powder or particulate solids
11. Multiple paddle agitators - Planetary/Orbital - Z-Blade - Rotor-Stator
mixers for high viscosity liquids
hydrometer
Magnetic separators and metal detection
size reduction ratio
12. Helps prevent blinding
oil/vinegar
vibrating
roller
forced- air cooling
13. 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
high viscosity liquids
difference between rolls and biscuits
compressive force
rotational
14. Each thing we do to prevent degradation is one hurdle- name an example- packaging
newtonian fluid
hurdle technologies
reynolds number
screens
15. May be single (one stationary casing and a frooved one that rotates) or double- where the two surfaces rotate in opposite directions - Dress of millstone will determine texture of the final product
egg yolk
disc mill
water activity
baffle and angle
16. Pseudoplastic
colloids
bulk density
shear- thinning fluids
crumbly
17. Force that causes it to have friction with itself
roller
shear
Specific gravity
ductile foods
18. Increases the variety and convenience of foods - Common for bakery goods and confectionery - Many products are formed by extrusion - but we will discuss that later
panning
Magnetic separators and metal detection
batch - convayer - immersion - truck
forming
19. Pressure- pushing but not dynamically loaded
latent heat
shear- thinning fluids
shear stress
compressive force
20. Separate products by size
screens
impact
strain
Electrostatic separators
21. A fluid suspension of a colloidal solid in a liquid
attrition mills
hurdle technologies
sol
Electrostatic separators
22. Force per unit area
mass balance
ductile foods
non- newtonian fluids
stress
23. Gum- fruit by the foot
ductile foods
wet cleaning equipment
hydrocooling
batch - convayer - immersion - truck
24. What can be done to minimize the rotational component in liquid mixing?
baffle and angle
heat
relative density
Magnetic separators and metal detection
25. Efficient mixing is achieved by creating and recombining fresh surfaces
heat
latent heat of vaporization
longitudinal - radial - rotational
kneading
26. Ratios above 100:1
attrition mills
wet cleaning equipment
fine grine
roller
27. Force between the layers in the fluid
wet cleaning equipment
Latent heat of fusion
latent heat
shear stress
28. Shear and impact forces - used for spice manufacturing - 70:30 impact predominated
Pin and disc mill
roblems with wet cleaning
oil/vinegar
latent heat
29. Limited number of applications where contaminants have a different surface charge from the raw material
Latent heat of fusion
compressive force
Electrostatic separators
abrasion peeling
30. Flour milled using this
grading
nip
non- newtonian fluids
roller
31. Dividing based on several characteristics capable of automatically
latent heat of vaporization
turbulent
grading
impact
32. Used to be was dividing things on one characteristic
Electrostatic separators
kneading
sorting
disc mill
33. Linear relationship between sheer rate and sheer stress
Comminution
goal of mixing
bulk density
newtonian fluid
34. Swirls in the flow
mass balance
turbulent
ductile foods
baffle and angle
35. Involves tumbling in a drum with a silicon carbide or carborundum surface
Mixers for Low-or Medium Viscosity Liquids
bulk density
nip
abrasion peeling
36. The breakdown of solid material through the application of mechanical forces- size reduction
roller
Comminution
forming
second pressure drop
37. 4 types of hydrocoolers
shear
batch - convayer - immersion - truck
impact
second pressure drop
38. Ingredients in mayo
turbulent
vacuum cooling
egg - vinegar - oil
stress
39. Measures specific gravity
reynolds number
mass balance
hydrometer
egg - vinegar - oil
40. Used to chop meat and harder fruits and veggies into pulp
bowl chopper
fine grine
egg yolk
Problems with dry cleaning methods
41. A friable food is
vibrating
Mixers for Low-or Medium Viscosity Liquids
bulk density
crumbly
42. Under motion pushing
cutting- miller- pulper
impact
ductile foods
longitudinal - radial - rotational
43. Creates lots of heat - main force are shear action
shear stress
hammer mill
attrition mills
hydrometer
44. Emulsifier in mayo
impact
egg yolk
ductile foods
cutting- miller- pulper
45. The ability to form a homogenous mixture
mass balance
crumbly
Miscibility
sol
46. Paddle - Multiple Impeller - Turbine - Propeller
Electrostatic separators
Mixers for Low-or Medium Viscosity Liquids
panning
roblems with wet cleaning
47. Soaking tanks (with or w/o stirring/paddles) - Flotation washing (fluming) - Spray washers (belts - drums) - Brush washers - Ultrasonic cleaners
wet cleaning equipment
nip
strain
mass balance
48. Ability to deform permanently without breaking
shear stress
Latent heat of fusion
ductility
shear
49. Fruit is dipped in a 1 to 2% hot sodium hydroxide solution (lye) and then pressure washed to remove skin. Alternatively - involves dipping in 10% sodium hydroxide and using rubber discs or rollers to remove the skin.
caustic peeler
colloids
batch - convayer - immersion - truck
ductility
50. Mass
hydrometer
bulk density
kneading
goal of mixing