(a) Interpretation: The water temperate, the liquid and head space volume (L), and the mass of water vapor in the head space (kg) at time t 1 should be determined. Concept introduction: All the properties of liquid and vapor of water, enthalpy, specific volume, and specific entropy vary with change with saturation pressure.

Question

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Answer 1

Question

Chapter 7, Problem 7.48P

Interpretation Introduction

(a)

Interpretation:

The water temperate, the liquid and head space volume (L), and the mass of water vapor in the head space (kg) at time t₁ should be determined.

Concept introduction:

All the properties of liquid and vapor of water, enthalpy, specific volume, and specific entropy vary with change with saturation pressure.

Interpretation Introduction

(b)

Interpretation:

The water temperature, the liquid and head space volume (L), and the mass of water vapor in(g) that evaporates between t₁ and t₂ should be determined.

Concept introduction:

The energy transfer properties of saturated water can be calculated by saturated steam table. If pressure is given then we can find value of temperature and same with if temperature given we can find other properties such as enthalpy, specific volume etc.

Interpretation Introduction

(c)

Interpretation:

The amount of heat (kJ) transferred to the tank contains between t₁ and t₂ should be calculated and two resins why the actual heat input to the tank must have been greater than the calculated value should be given.

Concept introduction:

Sum of the heat of liquid and vapor at t₁ gives total heat contains in the tank similarly at t₂ we can calculate total heat contains. And difference of heat contains at t₂ and t₁ gives heat transferred to the tank between t₁ and t₂.

Interpretation Introduction

(d)

Interpretation:

The three different factors responsible for the increase in pressure resulting from the transfer of heat to the tank should be listed.

Concept introduction:

If increase the temperature vaporization increases and pressure increases, density of liquid decrease, because system is closed system.

Interpretation Introduction

(e)

Interpretation:

The ways in which this accident could have been avoided should be listed.

Concept introduction:

Sensors play an important role in such situation because if processes cross the set point processes automatic open safety valve.

Interpretation Introduction

(f)

Interpretation:

The temperature at which the valve is open and the rate at which the needed to release steam (kg/KJ of added heat) in order to keep the tank pressure from rising should be determined.

Concept introduction:

From stem table find the corresponding value at 10 bars. In this case saturated steam table give the other properties such as enthalpy, specific volume etc.

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Hydrogen (H₂) is considered a clean energy carrier. For its use as a fuel, hydrogen is stored at 5 bar insidea cylindrical tank made of nickel (Ni) with 7 cm inner diameter, 1.2 mm thickness, and the length of L. Thetank is maintained at 358 K. Unfortunately, a small amount of hydrogen diffuses out of the tank, slowlydepleting its contents. You may assume that the hydrogen pressure outside the tank is essentially zero andconvective resistance inside and outside of the cylinder is negligible.• Solubility of H2 in Ni at 358 K = 0.00901 kmol/m3·bar• DH2, Ni at 358 K = 1.2 x 10-12 m2/sCalculate the maximum length of the nickel tank wall to ensure that the hydrogen loss does not exceed0.01 kg per year.

You just took out a cold soda can (at 1 oC) from the refrigerator. Calculate thetemperature of the soda can after the can is placed in a room (at 31 oC, h = 100 W/m2-K) for 60 mins (we all know that soda tastes much better when it is cold!). • k = 0.617 W/m-K, density = 996 kg/m3, Cp = 4178 J/Kg-K• Height = 10 cm & Diameter = 5 cmCalculate the temperature of the soda can surface at the middle point of the heightusing 2-D analysis.

A thick nickel wall is exposed to pure 5 bar H2(g) at 85 oC on one side of its surface (13 pts).(a) Assuming thermodynamic gas-solid equilibrium, calculate the H2 concentration at the surface ofthe nickel wall. (b) Assuming that the concentration of H2 at the surface is constant, determine the concentration ofH2 at the penetration depth in percentage of its concentration at the wall surface

Answer 2

Question

Chapter 7, Problem 7.48P

Interpretation Introduction

(a)

Interpretation:

The water temperate, the liquid and head space volume (L), and the mass of water vapor in the head space (kg) at time t₁ should be determined.

Concept introduction:

All the properties of liquid and vapor of water, enthalpy, specific volume, and specific entropy vary with change with saturation pressure.

Interpretation Introduction

(b)

Interpretation:

The water temperature, the liquid and head space volume (L), and the mass of water vapor in(g) that evaporates between t₁ and t₂ should be determined.

Concept introduction:

The energy transfer properties of saturated water can be calculated by saturated steam table. If pressure is given then we can find value of temperature and same with if temperature given we can find other properties such as enthalpy, specific volume etc.

Interpretation Introduction

(c)

Interpretation:

The amount of heat (kJ) transferred to the tank contains between t₁ and t₂ should be calculated and two resins why the actual heat input to the tank must have been greater than the calculated value should be given.

Concept introduction:

Sum of the heat of liquid and vapor at t₁ gives total heat contains in the tank similarly at t₂ we can calculate total heat contains. And difference of heat contains at t₂ and t₁ gives heat transferred to the tank between t₁ and t₂.

Interpretation Introduction

(d)

Interpretation:

The three different factors responsible for the increase in pressure resulting from the transfer of heat to the tank should be listed.

Concept introduction:

If increase the temperature vaporization increases and pressure increases, density of liquid decrease, because system is closed system.

Interpretation Introduction

(e)

Interpretation:

The ways in which this accident could have been avoided should be listed.

Concept introduction:

Sensors play an important role in such situation because if processes cross the set point processes automatic open safety valve.

Interpretation Introduction

(f)

Interpretation:

The temperature at which the valve is open and the rate at which the needed to release steam (kg/KJ of added heat) in order to keep the tank pressure from rising should be determined.

Concept introduction:

From stem table find the corresponding value at 10 bars. In this case saturated steam table give the other properties such as enthalpy, specific volume etc.

Expert Solution & Answer

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Answer 3

Question

Chapter 7, Problem 7.48P

Interpretation Introduction

(a)

Interpretation:

The water temperate, the liquid and head space volume (L), and the mass of water vapor in the head space (kg) at time t₁ should be determined.

Concept introduction:

All the properties of liquid and vapor of water, enthalpy, specific volume, and specific entropy vary with change with saturation pressure.

Interpretation Introduction

(b)

Interpretation:

The water temperature, the liquid and head space volume (L), and the mass of water vapor in(g) that evaporates between t₁ and t₂ should be determined.

Concept introduction:

The energy transfer properties of saturated water can be calculated by saturated steam table. If pressure is given then we can find value of temperature and same with if temperature given we can find other properties such as enthalpy, specific volume etc.

Interpretation Introduction

(c)

Interpretation:

The amount of heat (kJ) transferred to the tank contains between t₁ and t₂ should be calculated and two resins why the actual heat input to the tank must have been greater than the calculated value should be given.

Concept introduction:

Sum of the heat of liquid and vapor at t₁ gives total heat contains in the tank similarly at t₂ we can calculate total heat contains. And difference of heat contains at t₂ and t₁ gives heat transferred to the tank between t₁ and t₂.

Interpretation Introduction

(d)

Interpretation:

The three different factors responsible for the increase in pressure resulting from the transfer of heat to the tank should be listed.

Concept introduction:

If increase the temperature vaporization increases and pressure increases, density of liquid decrease, because system is closed system.

Interpretation Introduction

(e)

Interpretation:

The ways in which this accident could have been avoided should be listed.

Concept introduction:

Sensors play an important role in such situation because if processes cross the set point processes automatic open safety valve.

Interpretation Introduction

(f)

Interpretation:

The temperature at which the valve is open and the rate at which the needed to release steam (kg/KJ of added heat) in order to keep the tank pressure from rising should be determined.

Concept introduction:

From stem table find the corresponding value at 10 bars. In this case saturated steam table give the other properties such as enthalpy, specific volume etc.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 7, Problem 7.48P

Interpretation Introduction

(a)

Interpretation:

The water temperate, the liquid and head space volume (L), and the mass of water vapor in the head space (kg) at time t₁ should be determined.

Concept introduction:

All the properties of liquid and vapor of water, enthalpy, specific volume, and specific entropy vary with change with saturation pressure.

Interpretation Introduction

(b)

Interpretation:

The water temperature, the liquid and head space volume (L), and the mass of water vapor in(g) that evaporates between t₁ and t₂ should be determined.

Concept introduction:

The energy transfer properties of saturated water can be calculated by saturated steam table. If pressure is given then we can find value of temperature and same with if temperature given we can find other properties such as enthalpy, specific volume etc.

Interpretation Introduction

(c)

Interpretation:

The amount of heat (kJ) transferred to the tank contains between t₁ and t₂ should be calculated and two resins why the actual heat input to the tank must have been greater than the calculated value should be given.

Concept introduction:

Sum of the heat of liquid and vapor at t₁ gives total heat contains in the tank similarly at t₂ we can calculate total heat contains. And difference of heat contains at t₂ and t₁ gives heat transferred to the tank between t₁ and t₂.

Interpretation Introduction

(d)

Interpretation:

The three different factors responsible for the increase in pressure resulting from the transfer of heat to the tank should be listed.

Concept introduction:

If increase the temperature vaporization increases and pressure increases, density of liquid decrease, because system is closed system.

Interpretation Introduction

(e)

Interpretation:

The ways in which this accident could have been avoided should be listed.

Concept introduction:

Sensors play an important role in such situation because if processes cross the set point processes automatic open safety valve.

Interpretation Introduction

(f)

Interpretation:

The temperature at which the valve is open and the rate at which the needed to release steam (kg/KJ of added heat) in order to keep the tank pressure from rising should be determined.

Concept introduction:

From stem table find the corresponding value at 10 bars. In this case saturated steam table give the other properties such as enthalpy, specific volume etc.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 7, Problem 7.48P

Interpretation Introduction

(a)

Interpretation:

The water temperate, the liquid and head space volume (L), and the mass of water vapor in the head space (kg) at time t₁ should be determined.

Concept introduction:

All the properties of liquid and vapor of water, enthalpy, specific volume, and specific entropy vary with change with saturation pressure.

Interpretation Introduction

(b)

Interpretation:

The water temperature, the liquid and head space volume (L), and the mass of water vapor in(g) that evaporates between t₁ and t₂ should be determined.

Concept introduction:

The energy transfer properties of saturated water can be calculated by saturated steam table. If pressure is given then we can find value of temperature and same with if temperature given we can find other properties such as enthalpy, specific volume etc.

Interpretation Introduction

(c)

Interpretation:

The amount of heat (kJ) transferred to the tank contains between t₁ and t₂ should be calculated and two resins why the actual heat input to the tank must have been greater than the calculated value should be given.

Concept introduction:

Sum of the heat of liquid and vapor at t₁ gives total heat contains in the tank similarly at t₂ we can calculate total heat contains. And difference of heat contains at t₂ and t₁ gives heat transferred to the tank between t₁ and t₂.

Interpretation Introduction

(d)

Interpretation:

The three different factors responsible for the increase in pressure resulting from the transfer of heat to the tank should be listed.

Concept introduction:

If increase the temperature vaporization increases and pressure increases, density of liquid decrease, because system is closed system.

Interpretation Introduction

(e)

Interpretation:

The ways in which this accident could have been avoided should be listed.

Concept introduction:

Sensors play an important role in such situation because if processes cross the set point processes automatic open safety valve.

Interpretation Introduction

(f)

Interpretation:

The temperature at which the valve is open and the rate at which the needed to release steam (kg/KJ of added heat) in order to keep the tank pressure from rising should be determined.

Concept introduction:

From stem table find the corresponding value at 10 bars. In this case saturated steam table give the other properties such as enthalpy, specific volume etc.

Answer 6

Chapter 7, Problem 7.48P

Interpretation Introduction

(a)

Interpretation:

The water temperate, the liquid and head space volume (L), and the mass of water vapor in the head space (kg) at time t₁ should be determined.

Concept introduction:

All the properties of liquid and vapor of water, enthalpy, specific volume, and specific entropy vary with change with saturation pressure.

Answer 7

Chapter 7, Problem 7.48P

Interpretation Introduction

(a)

Interpretation:

The water temperate, the liquid and head space volume (L), and the mass of water vapor in the head space (kg) at time t₁ should be determined.

Concept introduction:

All the properties of liquid and vapor of water, enthalpy, specific volume, and specific entropy vary with change with saturation pressure.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The water temperature, the liquid and head space volume (L), and the mass of water vapor in(g) that evaporates between t₁ and t₂ should be determined.

Concept introduction:

The energy transfer properties of saturated water can be calculated by saturated steam table. If pressure is given then we can find value of temperature and same with if temperature given we can find other properties such as enthalpy, specific volume etc.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The water temperature, the liquid and head space volume (L), and the mass of water vapor in(g) that evaporates between t₁ and t₂ should be determined.

Concept introduction:

The energy transfer properties of saturated water can be calculated by saturated steam table. If pressure is given then we can find value of temperature and same with if temperature given we can find other properties such as enthalpy, specific volume etc.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The amount of heat (kJ) transferred to the tank contains between t₁ and t₂ should be calculated and two resins why the actual heat input to the tank must have been greater than the calculated value should be given.

Concept introduction:

Sum of the heat of liquid and vapor at t₁ gives total heat contains in the tank similarly at t₂ we can calculate total heat contains. And difference of heat contains at t₂ and t₁ gives heat transferred to the tank between t₁ and t₂.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The amount of heat (kJ) transferred to the tank contains between t₁ and t₂ should be calculated and two resins why the actual heat input to the tank must have been greater than the calculated value should be given.

Concept introduction:

Sum of the heat of liquid and vapor at t₁ gives total heat contains in the tank similarly at t₂ we can calculate total heat contains. And difference of heat contains at t₂ and t₁ gives heat transferred to the tank between t₁ and t₂.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The three different factors responsible for the increase in pressure resulting from the transfer of heat to the tank should be listed.

Concept introduction:

If increase the temperature vaporization increases and pressure increases, density of liquid decrease, because system is closed system.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The three different factors responsible for the increase in pressure resulting from the transfer of heat to the tank should be listed.

Concept introduction:

If increase the temperature vaporization increases and pressure increases, density of liquid decrease, because system is closed system.

Answer 14

Interpretation Introduction

(e)

Interpretation:

The ways in which this accident could have been avoided should be listed.

Concept introduction:

Sensors play an important role in such situation because if processes cross the set point processes automatic open safety valve.

Answer 15

Interpretation Introduction

(e)

Interpretation:

The ways in which this accident could have been avoided should be listed.

Concept introduction:

Sensors play an important role in such situation because if processes cross the set point processes automatic open safety valve.

Answer 16

Interpretation Introduction

(f)

Interpretation:

The temperature at which the valve is open and the rate at which the needed to release steam (kg/KJ of added heat) in order to keep the tank pressure from rising should be determined.

Concept introduction:

From stem table find the corresponding value at 10 bars. In this case saturated steam table give the other properties such as enthalpy, specific volume etc.

Answer 17

Interpretation Introduction

(f)

Interpretation:

The temperature at which the valve is open and the rate at which the needed to release steam (kg/KJ of added heat) in order to keep the tank pressure from rising should be determined.

Concept introduction:

From stem table find the corresponding value at 10 bars. In this case saturated steam table give the other properties such as enthalpy, specific volume etc.

Answer 18

Expert Solution & Answer

Answer 19

Expert Solution & Answer

Answer 20

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Answer 21

Ch. 7 - A certain gasoline engine has an efficiency of...Ch. 7 - Prob. 7.2P Ch. 7 - Prob. 7.3P Ch. 7 - Prob. 7.4P Ch. 7 - Liquid ethanol is pumped from a large storage tank...Ch. 7 - Air at 300°C and 130 kPa flows through a...Ch. 7 - Prob. 7.7P Ch. 7 - Prob. 7.8P Ch. 7 - Prob. 7.9P Ch. 7 - Prob. 7.10P

Solution Summary: The author explains that the water temperate, the liquid and head space volume (L), and the mass of water vapor in (kg) at time t 1 should be determined.

Concept explainers

(e)

Interpretation:

The ways in which this accident could have been avoided should be listed.

Concept introduction:

Sensors play an important role in such situation because if processes cross the set point processes automatic open safety valve.

Want to see the full answer?

Chapter 7 Solutions

Solution Summary: The author explains that the water temperate, the liquid and head space volume (L), and the mass of water vapor in (kg) at time t 1 should be determined.

Concept explainers

(e) Interpretation: The ways in which this accident could have been avoided should be listed. Concept introduction: Sensors play an important role in such situation because if processes cross the set point processes automatic open safety valve.

Want to see the full answer?

Chapter 7 Solutions

(e)

Interpretation:

The ways in which this accident could have been avoided should be listed.

Concept introduction:

Sensors play an important role in such situation because if processes cross the set point processes automatic open safety valve.