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Agriculture > Size Reduction > Flashcards

Size Reduction Flashcards

1
Q

Dicing especially means size reduction of

A

Tuber crops

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2
Q

Mincing especially means size red of

A

beef

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3
Q

Grinding esp relates to

A

spices

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4
Q

Shredding esp means size red of

A

Vegetables

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5
Q

Smooth pastes can be made through

A

Miling

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6
Q

Purposes of size reduction are

A

etraction & epression
shorten heat treatments
for further processing
standard req
desired constituent obtainment

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7
Q

different forces used for size reduction

A

Compression
Shear
Impact

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8
Q

Force used to ………. Hard materials

A

Compression
Grind

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9
Q

Force used to CRUSH and used widely for fibrous food and …. & …

A

Impact
Broccoli
Carrot

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10
Q

Compression force gives Fine grind?

A

False
Coarse grind

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11
Q

Endosperm seperated from bran of wheat using

A

Compression force

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12
Q

Crack opening of grains associated with

A

Compression force

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13
Q

Compression helps in crushing and powdersing
Impact helps in grinding?

A

false
Compression force: Grinding
Impact: Crushing

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14
Q

Soft materials and Fibrous food can be reduced using

A

Shear force

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15
Q

The material to be reduced is squeezed between two surface in

A

Shear force

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16
Q

Forces associated with mills
Roller Mill
Ball mill
Pin mill
Hammer mill
Attrition mill

A

Compression if rolls, Shear also if rolls at diff speed
Impact & Shaer { collides, rubbs off}
Impact
Shear & Impact
….

17
Q

roller mill; gives coarse product>?

A

No
Fine product ..Shear and compression

18
Q

In roller mill the two horizontally aised rolls rolls rotates away from each other?

A

False
rotates towards

19
Q

Small pieces or shreadded products obtained from

A

Hammar mill

20
Q

Mill which has industrial importance as in … is ..

A

Ethanol plamt, Livestock feed
Hammar mill

21
Q

Hammar mill forces acting are

A

Impact, Shear

22
Q

Etremely fine product is obtained from

A

Ball mill

23
Q

Ball in Ball mill is made of

A

Stainless steel or Rubber

24
Q

BAll mill forces acting are

A

Impact Shear

25
Q

Kitchen blender like mill

A

Pin mill

26
Q

Repeated impact causes milling in

A

Pin mill

27
Q

Vertical impactor shaft present in ….

A

Pin mill

28
Q

Mid range [roducts are obtained from Hammar mill?

A

No
Attrition mill

29
Q

Input and output of attrition mills are

A

3-10 mm to 1-10 microns

30
Q

How many Discs are therer in Pin mill

A

2

31
Q

Mill that crush and shred products

A

Hammar mill

32
Q

mill that crush and grind products is

A

Ball millB

33
Q

Ball mill … and …. the product

A

Crush and Grind

34
Q

Repeated blow in hammer mill creates ….force

A

Shear force

35
Q

Repeated action in pin mill creates … force

A

impact force

Agriculture (2 decks)

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