The effect of temperature of refrigerated air on the freezing time of the meat boxes.

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Answer 1

Question

Chapter 4, Problem 131CP

(a)

To determine

The effect of temperature of refrigerated air on the freezing time of the meat boxes.

(b)

To determine

The effect of the velocity of refrigerated air on the freezing time of the meat boxes.

(c)

To determine

The effect of the capacity of the refrigeration system on the freezing time of the meat boxes.

(d)

To determine

The effect of the size of meat boxes on the freezing time.

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Students have asked these similar questions

A woman informs her engineer husband that “hot water will freeze faster than cold water.” He calls this statement nonsense. She answers by saying that she has actually timed the freezing process for ice trays in the home refrigerator and found that hot water does indeed freeze faster. As a friend, you are asked to settle the argument. Is there any logical explanation for the woman’s observation?

169 g of solid water (i.e. ice), at -17 °C, is placed into a sealed, insulated container with a volume of 0.29 m^3. A 1457 W heater is used to heat and change the phase of the sample until it is a gaseous water (i.e. steam). The heater runs for 433 s. What is the pressure, in kPa, of the gaseous water in the container at the end of the heating process? Round your answer to the first decimal place.

A 50-kg box of beef at 8°C having a water content of 72 percent is to be frozen to a temperature of -30°C in 4 hours. Freezing point is at -2°C. Specific heat of the beef above freezing is 3.23 kJ/kg.K and below freezing is 1.5 kJ/kg.K. Determine (a) the total amount of heat that must be removed from the beef, (b) the average rate of heat removal from the beef.

Answer 2

Question

Chapter 4, Problem 131CP

(a)

To determine

The effect of temperature of refrigerated air on the freezing time of the meat boxes.

(b)

To determine

The effect of the velocity of refrigerated air on the freezing time of the meat boxes.

(c)

To determine

The effect of the capacity of the refrigeration system on the freezing time of the meat boxes.

(d)

To determine

The effect of the size of meat boxes on the freezing time.

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Answer 3

Question

Chapter 4, Problem 131CP

(a)

To determine

The effect of temperature of refrigerated air on the freezing time of the meat boxes.

(b)

To determine

The effect of the velocity of refrigerated air on the freezing time of the meat boxes.

(c)

To determine

The effect of the capacity of the refrigeration system on the freezing time of the meat boxes.

(d)

To determine

The effect of the size of meat boxes on the freezing time.

Expert Solution & Answer

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See solution

Answer 4

Question

Chapter 4, Problem 131CP

(a)

To determine

The effect of temperature of refrigerated air on the freezing time of the meat boxes.

(b)

To determine

The effect of the velocity of refrigerated air on the freezing time of the meat boxes.

(c)

To determine

The effect of the capacity of the refrigeration system on the freezing time of the meat boxes.

(d)

To determine

The effect of the size of meat boxes on the freezing time.

Expert Solution & Answer

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Answer 5

Chapter 4, Problem 131CP

(a)

To determine

The effect of temperature of refrigerated air on the freezing time of the meat boxes.

(b)

To determine

The effect of the velocity of refrigerated air on the freezing time of the meat boxes.

(c)

To determine

The effect of the capacity of the refrigeration system on the freezing time of the meat boxes.

(d)

To determine

The effect of the size of meat boxes on the freezing time.

Answer 6

Chapter 4, Problem 131CP

(a)

To determine

The effect of temperature of refrigerated air on the freezing time of the meat boxes.

Answer 7

Chapter 4, Problem 131CP

(a)

To determine

The effect of temperature of refrigerated air on the freezing time of the meat boxes.

Answer 8

(b)

To determine

The effect of the velocity of refrigerated air on the freezing time of the meat boxes.

Answer 9

(b)

To determine

The effect of the velocity of refrigerated air on the freezing time of the meat boxes.

Answer 10

(c)

To determine

The effect of the capacity of the refrigeration system on the freezing time of the meat boxes.

Answer 11

(c)

To determine

The effect of the capacity of the refrigeration system on the freezing time of the meat boxes.

Answer 12

(d)

To determine

The effect of the size of meat boxes on the freezing time.

Answer 13

(d)

To determine

The effect of the size of meat boxes on the freezing time.

Answer 14

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Answer 15

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Answer 16

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Answer 17

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The effect of temperature of refrigerated air on the freezing time of the meat boxes.

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The effect of temperature of refrigerated air on the freezing time of the meat boxes.

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The effect of the capacity of the refrigeration system on the freezing time of the meat boxes.

The effect of the size of meat boxes on the freezing time.

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