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Carbon dioxide (CO2) modelled as an ideal gas flows through the compressor and heat exchanger shown in figure. The power input to the compressor is 100 kW. A separate liquid cooling waterstream flows through the heat exchanger. All data are for operation at steady state. Stray heat transfer with the surroundings can be neglected, as can all kinetic and potential energy changes. Determinea) The mass flow rate of the CO2 in kg/sb) The mass flow rate of the cooling water in kg/s
Steam @ 10 MPa, 600 degrees celcius enters the first-stage turbine of an ideal Rankine cycle with reheat. The steam leaving the reheat section of the steam generator is @ 500 degrees celcius
a link AC has uniform rectangular cross section 3mm thick and 25mm wide. Determine the normal stress in the central portion of that link? solution
find the best fit Gaussian Curve through the data and plot the data and curve on the same graph.
A 12 Volt battery is charged by supplying 3 Amps over a period of 6 hours. What is the change of energy stored in the battery if the battery loses 400kJ of heat during charging.
A refrigerating plant operating between temprature limit of 253k and 307k provides 4.5kJ/s of refrigerating effect. If the refrigerating efficiency of the plant is 0.76. calculate the power required to drive the plant.
compare it with efficiency of an otto cycle operating with the same maximum pressure?
a drill operation is to be performed with a 16 mm twist drill the hole is blind with a depth of 50 mm.cutting speed is
Air enters a 0.6 m diameter fan at 16 deg C, 101 kPa, and is discharged at 18 deg C, 105 kPa, with a volumetric flow rate of 0.35 m^3/s.
A 10 kW electric heater is used to heat 2 kg of air contained in an insulated rigid tank from 400 kPa and 50 °C to 200 °C. The ambient air temperature and pressure is 20 °C and 100 kPa, respectively.
A huge reservoir of air supplies a converging-diverging nozzle with throat and exit areas of 10 cm^2 and 25 cm^2 respectively. The reservoir pressure and temperature are 150 kPa and 20C. Determine the range of back pressure over which
If the efficiency of the turbine in converting the mechanical energy given up by the fluid to the turbine shaft is 89% (nt = 0.89), calculate the friction loss in the turbine in J/kg.
the 1-Mg forklift is used to raise the 750-kg crate with acceleration of 2 m/s. deterimine reaction exerted by the groung on the airs of wheel at A and B.
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