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3.40 Give the phase and the missing property of P, T, v, and x. a. R-134a, T= -20°C, P = 150 kPa %3D b. R-134a, P = 300 kPa, v = 0.072 m/kg c. CH4, T = 155 K, v = 0.04 m/kg d. CH4, T = 350 K, v = 0.25 m/kg

3.40 Give the phase and the missing property of P, T, v, and x. a. R-134a, T= -20°C, P = 150 kPa %3D b. R-134a, P = 300 kPa, v = 0.072 m/kg c. CH4, T = 155 K, v = 0.04 m/kg d. CH4, T = 350 K, v = 0.25 m/kg

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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3.40 Give the phase and the missing property of P, T, v, and x. а. R-134a, T — -20°С, Р %3D 150 kPa b. R-134a, P — 300 kРа, v 3 0.072 m/kg c. CH4, T= 155 K, v = 0.04 m/kg d. CH4, T = 350 K, v = 0.25 m/kg 3.41 A sealed rigid vessel has volume of 1 m' and con- tains 2 kg of water at 100°C. The vessel is now heated. If a safety pressure valve is installed, at what pressure should the valve be set to have a maximum temperature of 200°C? 3.42 Saturated liquid water at 60°C is put under pressure /to decrease the volume by 1% while keeping the temperature constant. To what pressure should it be compressed? 3.43 Saturated water vapor at 200 kPa is in a cons ww. pressure piston/cylinder assembly. At this state the piston is 0.1 m from the cylinder bottom. How much is this distance if the temperature is changed to a. 200°C b. 100°C. 3.44 You want a pot of water to boil at 105°C. How heavy a lid should you put on the 15-cm-diameter pot when P, 101 kPa? atm
Transcribed Image Text:3.40 Give the phase and the missing property of P, T, v, and x. а. R-134a, T — -20°С, Р %3D 150 kPa b. R-134a, P — 300 kРа, v 3 0.072 m/kg c. CH4, T= 155 K, v = 0.04 m/kg d. CH4, T = 350 K, v = 0.25 m/kg 3.41 A sealed rigid vessel has volume of 1 m' and con- tains 2 kg of water at 100°C. The vessel is now heated. If a safety pressure valve is installed, at what pressure should the valve be set to have a maximum temperature of 200°C? 3.42 Saturated liquid water at 60°C is put under pressure /to decrease the volume by 1% while keeping the temperature constant. To what pressure should it be compressed? 3.43 Saturated water vapor at 200 kPa is in a cons ww. pressure piston/cylinder assembly. At this state the piston is 0.1 m from the cylinder bottom. How much is this distance if the temperature is changed to a. 200°C b. 100°C. 3.44 You want a pot of water to boil at 105°C. How heavy a lid should you put on the 15-cm-diameter pot when P, 101 kPa? atm
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