Air enters a compressor at ambient conditions of 15 psia and 60°F with a low velocity and exits at 150 psia, 620°F, and 350 ft/s. The compressor is cooled by the ambient air at 60°F at a rate of 1500 Btu/min. The power input to the compressor is 400 hp. Determine the portion of the power input that is used just to overcome the irreversibilities.

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Q: 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…

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Q: A 5-ft3 rigid tank initially contains refrigerant-134a at 60 psia and 100 percent quality. The tank…

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Q: Air enters a 28-cm diameter pipe steadily at 200 kPa and 20°C with a velocity of 5 m/s. Air is…

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Q: Steam enters a turbine steadily at 7 MPa and 600°C with a velocity of 60 m/s and leaves at 25 kPa…

A: At 7Mpa, 600°C (From steam table) C1=60 m/s A1=150 cm2 v1=0.05566 m3/Kg   At 25KPa A2= 1400Cm2…

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A: Given data:

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A: Solution:T1 = 400°C , P1 = 800 kPa   , V1 = 10 m/sT2 = 375°C , P2 = 400 kPa   , Q˙ = -25 kwA1 = 800…

Q: Air enters a compressor at ambient conditions of 15 psia and 60°F with a low velocity and exits at…

A: ambient condition, P=15 psiaT=60 oFExit condition, P=150 psiaT=620 oF

Automation in manufacturing processes

The term automation refers to the technique through which the creation of an apparatus takes place using an automatic process or a system. Let us try to understand this with an example.