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Water (1.25 kg/s) is to be heated from a pipeline temperature of 15°C to 85°C using superheated steam (13.75 kg/s) at 550°C and 3 MPa in a steady-state process to produce 15 kg/s of heated water. The heating is to be done in a mixing tank by directly injecting the steam, all of which condenses. Calculate the entropy generated (Sgen) for this process (in kJ/kg*s). Assume no heat loss
question 1 a the standard service illuminance for specific work activities is given in lux. what units are used in
1. It is desired to use 28.32 m 3 /min of air (metered at a pressure of 101.3 kPa and 294.1 K) in a process. This amount of air which is at rest enters the fan suction at a pressure of 741.7 mm Hg and a temperature of 366.3 K and is discharged at a p..
design a heat exchanger for the following dutyreduced crude oil leaving a distillation unit with a flow rate of 3166.04
The pressure of a sample of gas at a constant temperature of 25 degrees C is increased from 1.0 atm to 1.2 atm. If the original volume was 3.8 liters, what will the new volume be?
in gas-shy-solid fluidization it is frequently common to have a wide size distribution of particles present in the
Develop a mass balance for a continuous diafiltration step and indicate the volumetric flow rates and concentrations of different species in the different streams obtained.
Assist with the setting of design variables necessary for sizing equipment
1. How many kilograms of methane (CH4) are in perfectly insulated piston with the following properties: Volume = 2 cubic meters. Pressure = 3 bar absolute. Temperature = 50 Celcius? The ideal gas law constant R = 0.00008314 cubic meters.bar/K/gmol. A..
How many kilograms of natural gas are flowing through the pipelines per hour ( use different steps required in material balance calculations).
Develop a series of design graphs that can be used to demonstrate acceptable combinations of tubes dimensions
Explain what is meant by the term Threshold Limit Values (TLVs). Describe briefly the different TLVs used by Industrial Hygienists. Outline the strengths and weaknesses of these occupational exposure limits and illustrate how they may best be u..
a discuss how the phase equilibria of mixtures are represented using diagrams similar to the pressure-temperature and
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