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A fuel oil is burned with air in a boiler furnace. The combustion produces 813 kW of thermal energy, of which 65% is transferred as heat to boiler tubes that passes through the furnace. The combustion products pass from the furnace to a stack at 550oC. Water enters the boiler tubes as a liquid at 20oC and leaves the tubes as saturated steam at 20 bar absolute. Calculate the rate (kg/s) at which steam is produced. Use the steam tables to estimate the volumetric flow rate (m3/h) of the steam produced.
Show how you will plot the above data to obtain a straight line, and thus determine the reaction order (n) and reaction rate constant k. c. Plot the data on the paper provided and find n and k by the method you describe in step b.
refer attachment for assignmentnbspattachment-nbspassignmentfile.docxquestion 1 blending is an important unit operation
Safety considerations require that the maximum steady-state temperature of the system remain below 475°C. Will a spherical container with inner and outer diameters of 1.0 m and 1.2 m, respectively, satisfy this requirement?
Assume that the combined solution has a mass of 100.0 g and a specific heat capacity of 4.18 J/C g.
We add more steam to the tank while maintaining its temperature constant at the value calculated in part b. As a result, the pressure in the tank increases. Determine how much water (in kg) of steam must be added to bring the steam in the tank to ..
Cost of installed unit, complete with distributor plates, supports, and all auxiliaries = 2.0 times purchased cost of shell and packing
Plot the heat transfer coefficient associated with free convection, forced convection, and mixed convection for air velocities ranging from 2 ≤ u∞ ≤ 10 m/s. The velocity of the plate is small compared to the air velocity.
Develop forecasts for the PET-PX margin based on contract pricing using data from (a) Jan. 2000-Oct. 2010, (b) Jan. 2006-Oct. 2010, and (c) Oct. 2009-Oct. 2010. In each case, predict the PET-PX margin in Jan. 2020. Which forecast appears to be mos..
How many years of useful life should be estimated for the reactor if 12 percent of the total annual expenses for the plant are due to the cost for reactor depreciation? The straight-line method for determining depreciation should be used.
Calculate the volumetric coefficient of thermal expansion of acetone at 20 °C and the percent increase in volume upon a temperature increase from 20 °Cto30 °C at constant pressure.
A loaded semi-truck consumes about 10 US gallons of diesel per hour (assuming an average speed of 60 mph) and is driven about 16 hours per day, every day of the year. The density of diesel id 0.85 kg/liter. If 1 barrel of crude oil produces 10..
Brief description of fire department and the community served. What specific services are provided? Include emergency and non-emergency services.
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