Fundamentals Of Thermodynamics
10th Edition
ISBN: 9781119494966
Author: Borgnakke, C. (claus), Sonntag, Richard Edwin, Author.
Publisher: Wiley,
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Chapter 6, Problem 6.10P
Why do we write
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consider the follwoing statement:
1. zeroth law of thermodynamics is related to temperature
2. Entropy is related to first law of thermodynamics
3. Internal energy of an ideal gas is a function of temperature and pressure
4. Van der Waals' equation is related to an ideal gas
which of the above statements is/are correct?
a. 1 and 3
b. 2 and 3
c. 1 only
d. 2,3 and 4
Material A with initial temperature of 80 ⁰C came into contact with material B with initial temperature of 15 ⁰C. What are the scenario/s that would likely to happen?
W. Temperature of material B will be above 80 ⁰C
X. Entropy of material A will increase
Y. Energy transfer is from material B to material A
Z. Temperature of material A will be below 15 ⁰C
Choose the correct letter below.
A.) If all 4 statements are true
B.) If 3 of the 4 statements are true
C.) If 2 of the 4 statements are true
D.) If only 1 of the 4 statements is true
E.) If none of the 4 statements is true
The 2nd Law of thermodynamics staed in terms of entropy is the total entropy of a system either increases or remains constantit never decreases. True False
Chapter 6 Solutions
Fundamentals Of Thermodynamics
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- why does h[11] = h[10]= h[12], thank you so mucharrow_forwardIn a power plant operating with water and steam, the following measurements and observations were done at various stages along the system. the pressure is 150 kPa and the enthalpy, h is 1580.115 (kJ/kg) For this case, the specific vvolume is most likely: 0.001070 2.01302 1.1594 0.5802 0.001053arrow_forwardMaterial A with initial temperature of 80 ⁰C came into contact with material B with initial temperature of 15 ⁰C. What are the scenario/s that would likely to happen?Temperature of material B will be above 80 ⁰CEntropy of material A will increaseEnergy transfer is from material B to material ATemperature of material A will be below 15 ⁰CA.) If all 4 statements are trueB.) If 3 of the 4 statements are trueC.) If 2 of the 4 statements are trueD.) If only 1 of the 4 statements is trueE.) If none of the 4 statements is truearrow_forward
- There are four additive terms in an equation, and their units are given below. Which one is not consistent with this equation? (a) J (b) W/m (c) kg·m2/s2 (d) Pa·m3 (e) N·marrow_forward27.) A 13-V storage battery delivers current at the rate of 50 A. In a 27-min period, the heat lost from the battery is 92.74 kJ. What is the change in internal energy in kJ of the battery for the discharging period?arrow_forward1. The mean effective pressure of an engine running at 300 rpm is 500 kPa. What is the indicatedpower if the engine has bore of 250 mm x 450 mm. Select the correct answer below: A. 110.5 kW B. 150 kW C. 200 kW D. 182. 2 kW 2. In a certain process, entering is 1500 KJ/kg and 150 m/s. If the energy leaving is 12000 Kj/kg/ Determine the velocity at exit. Select the correct answer below: A.) 145 m/s B. 1020 m/s C. 789 m/s D. 978 m/sarrow_forward
- Give definition of unreliability F(t)of a component as function of time.arrow_forwardAn inverse transducer is a device which converts a. Electrical energy into thermal energy b. An electrical quantity into a non electrical quantity c. Electrical energy into light energy d. Electrical quantity into mechanical quantityarrow_forwardChoose the true statement A)Clausius statement talks about refrigerators/heat pumps B)Refrigerator is used for cooling purposes but heat pump for heating purposes C)All of them D)Directionality of the processes is given by 2nd law of thermodynamics E)Kelvin-Planck statement talks about conversion of energy from one type to anotherarrow_forward
- Calculate DSsystem for the isothermal expansion of one mole of solid aluminum from 100.0 bar to 1.0 bar if a = (1/V)(¶V/¶T)p = 69 x 10-6 K-1 and d = 2.702 x 103 kg/m3. Assume the process is reversible.arrow_forwardHelium at 20 bar and 40o is contained in a small cylinder having a volume of 15 cm3. The cylinder is placed in a large container having a volume of 1500 cm3.The large container is perfectly insulated and evacuated.Now helium is allowed to discharge and fill the large container.Calculate final pressure after entire assembly reches equilibrium.arrow_forwardAt 3:00 PM, a thermometer reading 25 °C is brought outdoors, where the air temperature is constant at 17 °C. At 3:05 PM, the thermometer reading is 21 °C. Later, the thermometer is taken back indoors where the air temperature is constant at 25 °C. At 3:15, the reading is 20.3 °C. When was the thermometer exactly brought indoors?arrow_forward
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