FUND OF ENG THERMODYN(LLF)+WILEYPLUS
9th Edition
ISBN: 9781119391777
Author: MORAN
Publisher: WILEY
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Assuming the ideal gas model for the air and ignoring heat transfer, determine the temperature, in °R, and pressure, in lbf/in.2, at the exit.
Twenty m3/hr of air at 600 kPa, 330 Kenters a well-insulated, horizontal pipe having a diameter of 1.2 cm and exits at 120 kPa.
Assume steady state and use the ideal gas model for the air. Also assume constant specific heat, C, = 1.007 kJ/kg-K for air at 330 K.
Determine the mass flow rate, in kg/s, and the exit velocity, in m/s.
Step 1
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Determine the mass flow rate, in kg/s.
m =
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kg/s
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Determine the exit velocity, in m/s.
V2 =
i
m/s
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- pls answer all questions i will give thumbs uparrow_forwardQuestion 17 23 m³/hr of air at 600 kPa, 330 K enters a well-insulated, horizontal pipe having a diameter of 1.2 cm and exits at 120 kPa. Assume steady state and use the ideal gas model for the air. Also assume constant specific heat, c = 1.007 kJ/kg-K for air at 330K. Determine the mass flow rate, in kg/s, and the exit velocity, in m/s. Step 1 Determine the mass flow rate, in kg/s. m₁ = kg/s Step 2 Determine the exit velocity, in m/s. V₂ = > m/sarrow_forwardTwenty m³/hr of air at 600 kPa, 330 K enters a well-insulated, horizontal pipe having a diameter of 1.2 cm and exits at 120 kPa. Assume steady state and use the ideal gas model for the air. Also assume constant specific heat, cp = 1.007 kJ/kg-K for air at 330 K. Determine the mass flow rate, in kg/s, and the exit velocity, in m/s. Step 1 Your Answer Determine the mass flow rate, in kg/s. mi = Step 2 Correct Answer (Used) 0.0352 * Your answer is incorrect. kg/s Determine the exit velocity, in m/s.arrow_forward
- Figure shows data for a portion of the ducting in ventilation system operating at steady state. The ducts are well insulated and the pressure is very nearly 1 bar throughout. Assuming the ideal gas model for air with Cp = 1 kJ/kg · K. and ignoring kinetic and potential energy effects, determine: (a) the temperature of the air at the exit, in °C. (b) the exit diameter, in m. (c) the rate of entropy production within the duct, in kJ/min.arrow_forwardTwenty m3/hr of air at 600 kPa, 330 K enters a well-insulated, horizontal pipe having a diameter of 1.2 cm and exits at 120 kPa. Assume steady state and use the ideal gas model for the air. Also assume constant specific heat, c, = 1.007 kJ/kg-K for air at 330 K. Determine the mass flow rate, in kg/s, and the exit velocity, in m/s. Step 1 Determine the mass flow rate, in kg/s. i kg/s Save for Later Attempts: 0 of 1 used Submit Answer Step 2 The parts of this question must be completed in order. This part will be available when you complete the part above.arrow_forwardTwenty m/hr of air at 600 kPa, 330 Kenters a well-insulated, horizontal pipe having a diameter of 1.2 cm and exits at 120 kPa. Assume steady state and use the ideal gas model for the air. Also assume constant specific heat, Cp = 1.007 kJ/kg-K for air at 330 K. Determine the mass flow rate, in kg/s, and the exit velocity, in m/s.arrow_forward
- 46. Air modeled as an ideal gas enters a well-insulated diffuser operating at steady state at 307 K with a velocity of 80 m/s and exits with a velocity of 25 m/s. For negligible potential energy effects, determine the exit temperature, in K. Use cp = 1.006 kJ/kg-K. a. 301 C. 319 b. 313 d. Answer is not among the choicesarrow_forwardThe first answer is wrong and the new answer is wrong too.arrow_forwardAir enters a diffuser operating at steady state at 540°R, 15 Ilbf/in.?, with a velocity of 600 ft/s, and exits with a velocity of 60 ft/s. The ratio of the exit area to the inlet area is 6. Assuming the ideal gas model for the air and ignoring heat transfer, determine the temperature, in °R, and pressure, in Ibf/in.?, at the exit.arrow_forward
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