FUND OF ENG THERMODYN(LLF)+WILEYPLUS
9th Edition
ISBN: 9781119391777
Author: MORAN
Publisher: WILEY
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Question 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/s
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
Your answer has been saved. See score details after the due date.
Determine the mass flow rate, in kg/s.
m =
0.0348
kg/s
Attempts: 1 of 1 used
Step 2
Determine the exit velocity, in m/s.
V2 =
i
m/s
Save for Later
Attempts: 0 of 1 used
Submit Answer
Twenty 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.
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