Answered: 400°C 800 kPa 10 m/s Steam 375°C 400…

Engineering

Mechanical Engineering

400°C 800 kPa 10 m/s Steam 375°C 400 kPa

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 6RQ: One British thermal unit will raise the temperature of _____ 1b of water _____F.

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Question

Steam enters a nozzle at 400°C and 800 kPa with a velocity of 10 m/s and leaves at 375°C and 400 kPa while losing heat at a rate of 26.5 kW. For an inlet area of 800 cm², determine the velocity and the volume flow rate of the steam at the nozzle exit. Use steam tables.

At the left side of the lines, 800 kilo Pascal, 400 degree Centigrade, 10 meters per second are shown. At the right side of the lines, 400 kilo Pascal, 375 degree Centigrade are shown.

The velocity of the steam at the nozzle exit is m/s.

The volume flow rate of the steam at the nozzle exit is m³/s.

400°C
800 kPa
10 m/s
Steam
375°C
400 kPa

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