the change in potential energy in kW   CHOICES   -0.01176   0.01176   -11.7684   b. the change in kinetic energy in kW   CHOICES   1,782.2   1.7822   -1.7822   c. the change in enthalpy in kW   CHOICES   -109.2   -0.1092   109.2   d. the work of the turbine in k   CHOICES   106.129   107.729   105.629

Q: A compressor draws in 0.5 kgm/s of air with 7 m/s speed, 100 kPa pressure, and 0.95 m2/kgm. The air…

A:

Q: (Q3) Refrigerant-134a enters a compressor at 320 kPa and 90°C at a rate of 2.15 m'is and leaves at a…

A:

Q: Water enters a pump at 350 kPa at a rate of 1 kg/s. The water leaving the pump enters a turbine in…

A:

Q: A turbine with an inlet area of 150 cm² receives a steam with a speed of 60 m/s, inlet pressure of…

A:

Q: Air is compressed in a piston-cylinder device in a eversible isothermal process. If the work done by…

A: first law of thermodynamics: The first law of thermodynamics is stated as energy can neither be…

Q: A steady-flow compressor is used to compress air from 100 kPa and 25 °C at the inlet, to 829 kPa and…

A: The inlet pressure of the air,(P1)=100 kPa.The inlet temperature of the air, (T1)=25oCThe exit…

Q: 100 kg/s of superheated steam at 653.15 K and 8800 kPa enters a turbine and leaves as saturated…

A: Condition of superheated steam at turbine inlet is:Temperature,T1=653.15KPressure,P1=8800KPaMass…

Q: Air enters an air compressor at 100 kPa and 100°C and a flow rate of 5 kg/s. If the air exits at 389…

A: solution p1= 100 kPa      T1= 100 C     P2= 389 kPa      T2= 398 C

Q: A device submitted to the Pa- tent Office is shown schemati- cally in the figure to the right. Its…

A: To determine if steady-state operation of this device is thermodynamically permissible, we need to…

Q: 12 kg/s of steam expands in an adiabatic turbine from at 10 MPa and 450°C to 10 KPa. The inlet and…

A:

Q: Air flows inside an adiabatic turbine at rate of 0.5 kg/s with an inlet pressure of 200 MPa and…

A: Given Data m=0.5Kg/s P1=200Mpa T1=600K P2=10MPa

Q: Water enters a pump at 350 kPa at a rate of 1 kg/s. The water leaving the pump enters a turbine in…

A: Option a is correct.

Q: Consider the turbocharger of an internal combustion engine. The exhaust gases enter the turbine at…

A:

Q: A completely insulated mixing vessel is designed to deliver water at 60 ⁰C and atmospheric pressure…

A:

Q: Water vapor enters a turbine at a temperature of 300 ° C and a pressure of 600 kPa, leaving it as 20…

A: First of all, write the energy equation and entropy equation, Write the value of the enthalpy and…

Q: In the turbine of a gas turbine unit the gases flow through the turbine at 14+24 kg/s and the power…

A:

Q: In a steady flow apparatus, 135 kJ of work is done by each kg of fluid. The mass density, pressure…

A:

Q: A) There is a steam system in which the boiler must be fed by using a pump that supplies 0.005 m³/s…

A:

Q: A steady flow of steam enters a turbine with a specific enthalpy of 2200 kJ/kg and at negligible…

A: Given:h1=2200 KJ/Kgh2=1900 KJ/Kgm=2 Kg/s

Q: A cooling tower is a device that cools a spray of water by passing it through a stream of air. If 15…

A: Tdb1=T1=30oc Twb1=T2=20oc Patm=P1=P2=90 Kpa   To find: The partial vapor pressure of entering…

Q: Steam enters an adiabatic turbine at 6MPa pressure, 530C temperature, 2.5MPa pressure and 420C also…

A: Given: Inlet condition of turbineP1=6MPaT1=530°COutlet condition of the turbineP2=2.5MPaT2=420°C…

Q: The suction fan of a building heating system draws ambient air at 100 kPa and 30 °C into a duct of…

A: Given Data:-

Q: In a steady flow apparatus, a fluid enters with a specific volume of 0.30 m3/kg, a pressure of 540…

A: Given data: v1=0.3 m3/kgP1=540 kPac1=25 m/sz1=40 mv2=0.82 m3/kgP2=100 kPac2=280 m/sW=140 kJ/kgQ=−12…

Q: (Q3) Refrigerant-134a enters a compressor at 200 kPa and 60°C at a rate of 2 m/s and leaves at a…

A: The enthalpy and specific volume of the refrigerant at the inlet conditions is

Q: Refrigerant 12 is expanded steadily in an isothermal (constant temperature) process. The flow rate…

A:

Q: Air approaches a turbine at 2 MPa and 400°C at a speed of 200 m/s and leaves at 100 kPa and 200°C at…

A: Given: The temperature at inlet of turbine is T1=400°C. The speed at inlet of turbine is v1=200…

Q: Water enters a pump at 350 kPa at a rate of 1 kg/s. The water leaving the pump enters a turbine in…

A:

Q: (Q3) Refrigerant-134a enters a compressor at 400 kPa and 100°C at a rate of 2.2 m'is and leaves at a…

A:

Q: In the system shown in the figure, saturated liquid water at a pressure of 12 MPa enters the boiler…

A:

Q: Refrigerant R-134a enters a steady-flow compressor at 5 °C and as a saturated vapor. a) The…

A: Given : The mass flow rate is The pressure at the exit of compressor is

Q: A gas enters a turbine at an inlet state of 800 kPa. The gas expands and leaves the turbine at an…

A: Disclaimer: “Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: A fluid with a pressure of 820 kPa, specific volume of 0.30 m³/kg and a velocity of 150 m/s enters a…

A:

Q: a) A diffuser is used to reduce the velocity of fluid by inducing a pressure change across the inlet…

A:

Q: Cold water at a rate of 30 L/min is mixed with hot water at 44 L/min in a continuous manner in a…

A: Find the mass flow rate out from the mixture Flow rate of cold water = 30 L/min Flow rate of hot…

Q: The change of enthalpy of air in the cooling tower is 82 kJ/ kg and the mass flow of air is 215 kg/…

A: The change of enthalpy of air in the cooling tower ∆hair =82 kJ/ kg  Mass flow of air ma= 215 kg/min…

Q: Question 43 At a science fair, an inventor suggests a hypothetical device that operates permanently…

A: INTRODUCTION: We will compute the entropy production of the given gadget in this challenge. To…

Q: A steam power plant develops a power output of 2840Kw. Te enthalpy of steam at the inlet if 2500…

A: Given data,  W= 2840 kW  h1= 2500 kj/kg  x=0.8, hf2=561 KJ/kg hfg2=1832 K/kg.