The explanation of the corollary “the coefficient of performance of an irreversible refrigeration cycle is always less than the coefficient of performance of a reversible refrigeration cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

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Answer 1

Question

Chapter 5.11, Problem 8P

(a)

To determine

The explanation of the corollary “the coefficient of performance of an irreversible refrigeration cycle is always less than the coefficient of performance of a reversible refrigeration cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

(b)

To determine

The explanation of the corollary “all reversible refrigeration cycles operating between the same two reservoirs have the same coefficient of the performance.” by using Kelvin plank statement of the second law of the thermodynamic.

(c)

To determine

The explanation of the corollary “the coefficient of performance of an irreversible heat pump cycle is always less than the coefficient of performance of a reversible heat pump cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

(d)

To determine

The explanation of the corollary “all reversible heat pump cycles operating between the same two reservoirs have the same coefficient of the performance” by using Kelvin plank statement of the second law of the thermodynamic.

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amination) Question 1 Consider the bar, shown in Figure 1, that undergoes axial displacement due to both a distributed load and a point force. The bar is of cross-sectional area A = 1.103 m2, and has a modulus of elasticity E = 100 GPa. 1(x) = 5 kN/m 10 kN X x=0.0 x=2.0 2.0m Figure 1: Bar domain with varying distributed forces. a) The general form of the governing equations describing the bar's displacement, u(x), is given by, d (AE du(x)) + 1(x) = 0. dx dx What are the accompanying boundary conditions for this bar? MacBook Air a 会 DII F5 F6 F7 F8 80 F3 F4 0/ 20 [8 marksl 8 FO

Answer B

fem helpUsing the mesh in Figure 2, form the basis functions associated with element 2 and write the FEMapproximation over the element.

Answer 2

Question

Chapter 5.11, Problem 8P

(a)

To determine

The explanation of the corollary “the coefficient of performance of an irreversible refrigeration cycle is always less than the coefficient of performance of a reversible refrigeration cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

(b)

To determine

The explanation of the corollary “all reversible refrigeration cycles operating between the same two reservoirs have the same coefficient of the performance.” by using Kelvin plank statement of the second law of the thermodynamic.

(c)

To determine

The explanation of the corollary “the coefficient of performance of an irreversible heat pump cycle is always less than the coefficient of performance of a reversible heat pump cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

(d)

To determine

The explanation of the corollary “all reversible heat pump cycles operating between the same two reservoirs have the same coefficient of the performance” by using Kelvin plank statement of the second law of the thermodynamic.

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Answer 3

Question

Chapter 5.11, Problem 8P

(a)

To determine

The explanation of the corollary “the coefficient of performance of an irreversible refrigeration cycle is always less than the coefficient of performance of a reversible refrigeration cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

(b)

To determine

The explanation of the corollary “all reversible refrigeration cycles operating between the same two reservoirs have the same coefficient of the performance.” by using Kelvin plank statement of the second law of the thermodynamic.

(c)

To determine

The explanation of the corollary “the coefficient of performance of an irreversible heat pump cycle is always less than the coefficient of performance of a reversible heat pump cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

(d)

To determine

The explanation of the corollary “all reversible heat pump cycles operating between the same two reservoirs have the same coefficient of the performance” by using Kelvin plank statement of the second law of the thermodynamic.

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Answer 4

Question

Chapter 5.11, Problem 8P

(a)

To determine

The explanation of the corollary “the coefficient of performance of an irreversible refrigeration cycle is always less than the coefficient of performance of a reversible refrigeration cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

(b)

To determine

The explanation of the corollary “all reversible refrigeration cycles operating between the same two reservoirs have the same coefficient of the performance.” by using Kelvin plank statement of the second law of the thermodynamic.

(c)

To determine

The explanation of the corollary “the coefficient of performance of an irreversible heat pump cycle is always less than the coefficient of performance of a reversible heat pump cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

(d)

To determine

The explanation of the corollary “all reversible heat pump cycles operating between the same two reservoirs have the same coefficient of the performance” by using Kelvin plank statement of the second law of the thermodynamic.

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Answer 5

Chapter 5.11, Problem 8P

(a)

To determine

The explanation of the corollary “the coefficient of performance of an irreversible refrigeration cycle is always less than the coefficient of performance of a reversible refrigeration cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

(b)

To determine

The explanation of the corollary “all reversible refrigeration cycles operating between the same two reservoirs have the same coefficient of the performance.” by using Kelvin plank statement of the second law of the thermodynamic.

(c)

To determine

The explanation of the corollary “the coefficient of performance of an irreversible heat pump cycle is always less than the coefficient of performance of a reversible heat pump cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

(d)

To determine

The explanation of the corollary “all reversible heat pump cycles operating between the same two reservoirs have the same coefficient of the performance” by using Kelvin plank statement of the second law of the thermodynamic.

Answer 6

Chapter 5.11, Problem 8P

(a)

To determine

The explanation of the corollary “the coefficient of performance of an irreversible refrigeration cycle is always less than the coefficient of performance of a reversible refrigeration cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

Answer 7

Chapter 5.11, Problem 8P

(a)

To determine

The explanation of the corollary “the coefficient of performance of an irreversible refrigeration cycle is always less than the coefficient of performance of a reversible refrigeration cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

Answer 8

(b)

To determine

The explanation of the corollary “all reversible refrigeration cycles operating between the same two reservoirs have the same coefficient of the performance.” by using Kelvin plank statement of the second law of the thermodynamic.

Answer 9

(b)

To determine

The explanation of the corollary “all reversible refrigeration cycles operating between the same two reservoirs have the same coefficient of the performance.” by using Kelvin plank statement of the second law of the thermodynamic.

Answer 10

(c)

To determine

The explanation of the corollary “the coefficient of performance of an irreversible heat pump cycle is always less than the coefficient of performance of a reversible heat pump cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

Answer 11

(c)

To determine

The explanation of the corollary “the coefficient of performance of an irreversible heat pump cycle is always less than the coefficient of performance of a reversible heat pump cycle when both exchange energy by heat transfer with the same two reservoirs” by using Kelvin plank statement of the second law of the thermodynamic.

Answer 12

(d)

To determine

The explanation of the corollary “all reversible heat pump cycles operating between the same two reservoirs have the same coefficient of the performance” by using Kelvin plank statement of the second law of the thermodynamic.

Answer 13

(d)

To determine

The explanation of the corollary “all reversible heat pump cycles operating between the same two reservoirs have the same coefficient of the performance” by using Kelvin plank statement of the second law of the thermodynamic.

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 explanation of the corollary “all reversible refrigeration cycles operating between the same two reservoirs have the same coefficient of the performance.” by using Kelvin plank statement of the second law of the thermodynamic.

The explanation of the corollary “all reversible heat pump cycles operating between the same two reservoirs have the same coefficient of the performance” by using Kelvin plank statement of the second law of the thermodynamic.

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