Steam enters a nozzle with a low velocity at 150°C and 200 kPa and leaves as a saturated vapor at 75 kPa. There is a heat transfer from the nozzle to the surroundings in the amount of 26 kJ for every kilogram of steam flowing through the nozzle. Determine (a) the exit velocity of the steam and (b) the mass flow rate of the steam at the nozzle entrance if the nozzle exit area is 0.001 m2.

Q: 1) A 10-ft.3 vessel of hydrogen at a pressure of 305 psia is stirred by paddles until the pressure…

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Q: Air enters a nozzle steadily at 2.21 kg/m3 and 30 m/s and leaves at 0.762 kg/m3 and 180 m/s. If the…

A: Given:- V1=30m/s A1=80cm2 V2=180m/s ρ1=2.21kg/m3 ρ 2=0.762kg/m3 To find:- a) Mass flow rate through…

Q: (b) Air enters a 30 cm diameter pipe steadily at 200 kPa and 20°C with velocity of 300 meter in a…

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Q: Air is expanded from 1000 kPa and 600°C at the inlet of a steady-flow turbine to 100 kPa and 200°C…

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Q: Air enters an adiabatic nozzle at 45 psia and 940°F with low velocity and exits at 650 ft/s. If the…

A: Given data: *The pressure of the air at the inlet of the nozzle is P1=45 psia. *The temperature of…

Q: Steam enters a nozzle at 400°C and 800 kPa with a velocity of 10 m/s, and leaves at 300°C and 200…

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Q: Liquid water at 200 kPa and 15°C is heated in a chamber by mixing it with superheated steam at 200…

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Q: Steam is accelerated by an adiabatic nozzle steadily from a low velocity to a velocity of 220 m/s at…

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Q: A 1200-W electric resistance heating element whose diameter is 0.5 cm is immersed in 40 kg of water…

A: The data given is, Total power of the electric heater, P = 1200 W The diameter of element, d = 0.5…

Q: Air at 100 kPa and 280°K is compressed steadily to 600 kPa and 400°K. The mass flow rate of the air…

A: Given data,  Potential energy and kinetic energy is neglected.  P1= 100 KPa,  P2= 600 KPa  T1=280 K…

Q: Water is heated in an insulated, constant-diameter tube by a 7-kW electric resistance heater. If the…

A: Given: The water enters the heater is T1 = 20 °C. The water leaves the heater is T2 = 75 °C. The…

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A: Given Data State 1: 100 kPa, 300 K State 2: 200 kPa, 600 K m=2 kg

Q: Steam enters a nozzle at 400°C and 800 kPa with a velocity of 10 m/s, and leaves at 3008C and 200…

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Q: Air enters a 36-cm diameter pipe steadily at 400 kPa and 40°C with a velocity of 8 m/s. Air is…

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Q: Electric heating systems used in many homes consist of a simple duct with resistance heaters. As it…

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Q: Steam enters a nozzle at 400°C and 700 kPa with a velocity of 10 m/s, and leaves at 320°C and 150…

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Q: A hair dryer is basically a duct in which a few layers of electric resistors are placed. A small fan…

A: P1 = 100 kPa T1 = 295 K Q ˙= 1200 J/s T2 = 320 K A2 = 60 cm2 Control volume of a given problem is…

Q: Steam enters an adiabatic turbine at 5 MPa and 450°C and leaves at a pressure of 1.4 MPa. Determine…

A: Given data: The inlet pressure, P1 = 5 MPa. The outlet pressure, P2 = 1.4 MPa. The inlet…

Q: Liquid water at 120 kPa enters a 7-kW pump where its pressure is raised to 6.2 MPa. If the elevation…

A: Given Data  Power = 7000 W P1= 120 KPa. P2=6200 KPa v= 0.001 m3/Kg Elevation = 10m

Q: 3. Air enters the compressor of a gas-turbine plant at ambient conditions of 100 kPa and 25°C with a…

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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: Given : The condition at inlet 1: The condition at exit 2:

Q: Refrigerant-134a enters a 28 cm diameter pipe steadily at 200 kPa and 20 oC with a velocity of 5…

A:

Q: Steam enters an adiabatic turbine at 5 MPa, 650C, and 80 m/s and leaves at 50 kPa, 1508C, and 140…

A: Given data: Inlet pressure, P1 = 5 MPa Inlet temperature, T1 = 650°C Inlet velocity, V1 = 80 m/s…

Q: Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 45 m/s and leaves at 100 kPa and 180…

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Q: A rigid tank is divided into two equal parts by a partition. One part of the tank contains 3 kg of…

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Q: Steam at 2.5 MPa and 450C expands in a turbine adiabatically to saturated vapor at 50 kPa. determine…

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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…

A: Pipe diameter, d=28 cm=0.28 mAir inlet condition: P1=200 kPa, T1=20oC, V1=5 m/sAir exit condition:…

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: Given: Inlet conditions:P1=7 MPaT1=600°CV1=60 m/sA1=150 cm2Exit Conditions:P2=25 kPaQ=-20…

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…

Q: Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 4 MPa,…

A: Given Data, V1 = Velocity of steam at inlet = 80m/s V2 = Velocity of steam at exit = 50 m/s To find…

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

A:

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

A: Given Data Work inlet is: win=400 hp=282.72 Btu/s Heat output is: Q˙=1500 Btu/min=25 btu/s

Q: Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 45 m/s and leaves at 100 kPa and 180…

A: a)  The mass flow rate                       m=ρV1=P1A1v1RT1=300×110×10-4×450.287×473=1.09 kgs b)…

Q: 11. An insulated piston-cylinder device contains 5 L of saturated liquid water at a constant…

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Q: Refrigerant-134a enters an adiabatic compressor as saturated vapor at 100 kPa at a rate of 0.7 m3…

A: Given, Compressor inlet (saturated vapor), P1=100 kPa Q1˙=0.7 m3/min=0.760 m3/sec=0.0116 m3/sec…

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…

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

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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

Q: Air enters an adiabatic chamber steadily at 300kPa, 200 C, and 45 m/s. It leaves at 100 kPa and 180…

A: The total energy material of a control volume stays unchanged during a steady process flow. i.e.,…