What duty is required to cool 1 t of Melons in 12 h from 20°C to 4°C? (Use Table 21.1 data
What duty is required to cool 1 t of Melons in 12 h from 20°C to 4°C? (Use Table 21.1 data
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Problem 1.1MA
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What duty is required to cool 1 t of Melons in 12 h from 20°C to 4°C? (Use Table 21.1 data
![Table 21.1 Specific and latent heats of foodstuffs (typical values)
Product
Specific heat Highest Latent Specific heat
capacity
freezing
heat of
capacity
above
point (°C)
freezing
below
freezing
freezing
3.65
- 1.1
280
1.89
Apples
Bananas
3.35
- 0.8
250
1.78
Beer
3.85
-2.2
Cabbage
3.92
- 0.9
Carrots
3.79
- 1.4
294
1.94
Celery
3.99
-0.5
Dairy products
3.75
milk
butter
-0.6
down to
1.37
1.04
- 20
ice cream
2.95
-6
1.63
cheese
2.1
- 13
1.3
Dried fruits
1.8
-2
Eggs, shell
3.05
-2.2
1.67
Fish, white
3.55
-2.2
1.86
blue
2.9
-2.2
1.63
Meats, bacon
1.5
-2
1.07
beef
3.2
-2
1.7
ham
2.7
-2
1.55
lamb
3
-2
1.65
pork
2.6
-2.5
1.3
poultry
3.3
- 2.8
1.77
3.95
- 0.9
2
Melons
Mushrooms
3.89
- 0.9
1.98
Onions
3.8
- 0.9
1.95
Oranges
3.75
-0.8
3.62
- 1.6
Pears
Potatoes
3.5
-0.7
1.84
Tomatoes
3.98
-0.5
II
I
I
53
210
125
220
270
210
64
230
188
215
125
246
310
304
295
265
-](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fef7c8cd8-0014-42e4-bd84-424e40205fb7%2Fb72410c0-c6bd-45f5-b461-da75263405bd%2Fjxpxibj_processed.png&w=3840&q=75)
Transcribed Image Text:Table 21.1 Specific and latent heats of foodstuffs (typical values)
Product
Specific heat Highest Latent Specific heat
capacity
freezing
heat of
capacity
above
point (°C)
freezing
below
freezing
freezing
3.65
- 1.1
280
1.89
Apples
Bananas
3.35
- 0.8
250
1.78
Beer
3.85
-2.2
Cabbage
3.92
- 0.9
Carrots
3.79
- 1.4
294
1.94
Celery
3.99
-0.5
Dairy products
3.75
milk
butter
-0.6
down to
1.37
1.04
- 20
ice cream
2.95
-6
1.63
cheese
2.1
- 13
1.3
Dried fruits
1.8
-2
Eggs, shell
3.05
-2.2
1.67
Fish, white
3.55
-2.2
1.86
blue
2.9
-2.2
1.63
Meats, bacon
1.5
-2
1.07
beef
3.2
-2
1.7
ham
2.7
-2
1.55
lamb
3
-2
1.65
pork
2.6
-2.5
1.3
poultry
3.3
- 2.8
1.77
3.95
- 0.9
2
Melons
Mushrooms
3.89
- 0.9
1.98
Onions
3.8
- 0.9
1.95
Oranges
3.75
-0.8
3.62
- 1.6
Pears
Potatoes
3.5
-0.7
1.84
Tomatoes
3.98
-0.5
II
I
I
53
210
125
220
270
210
64
230
188
215
125
246
310
304
295
265
-
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