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Determine which of the following 3 material substrates would have the best R-value or lowest thermal conductivity. The purpose is to determine which of the 3 materials would make the best insulator to heat and cold?
The following is given:
Assuming that the outside air temperature was 100 degrees F determine which of the 3 substrates above provides the best/greatest insulation value or resistance to temperature transmission. Explain why and show calculations knowing that:
C = 1/R where C = thermal conductance; and
C = k/thickness (inches) where k = thermal conductivity (Btu-in/ft2-hr-oF)
Compare MACRS depreciation and straight-line depreciation: based solely on the tax effects, which depreciation method (SL or MACRS) would yield a higher net present value for the project?
Calculate the rate of moisture condensation (kg/h) and the volumetric flow rate of the air drawn from the outside.
A scheme for concurrently heating separate water and air streams involves passing them through and over an array of tubes, respectively, while the tube wall is heated electrically. To enhance gas-side heat transfer, annular fins of rectangular pro..
Carolina (H2C=CHCHO) is made by selective oxidation of propylene at 2 bar, 350 °C using a molybdenum, iron, and bismuth catalyst on a silica support
Carry out a sensitivity analysis on the adipic acid project described in Example 9.5. Investigate the sensitivity of the 10-year NPV to variation in total fixed capital (-20% to +50%), annual gross profit (-20% to +30%), and project construction s..
Determine the membrane area needed. Given: Membrane properties and mass transfer information - Develop a process schematic
Give a description of the product and its physical and chemical properties, including a chemical structure drawing - Identify at least one company the produces your product and where the production facilities are located (city, country).
1. What is the principle of Lime Soda process? Give their functions with chemical reactions. 2. Write notes on Reserve osmosis and Ultra filtration.
The mole fraction of ammonia in exit gas from the tower is 0.003. Assuming isothermal operation and considering the following equilibrium data calculate the height of the packed bed.
A fermentation reactor is charged with a sterile feed of growth media at 35 °C and inoculated with a batch of microorganisms. The batch is allowed to grow for 10 days. During the growth period the temperature is maintained at 37 °C by circulating ..
Select a process variable (pressure / temperature / level / flow) and conduct a literature survey to determine recent developments in process instrumentation field. Identify any one novel instrument and explain in detail the working of the instr..
The potential energy between two atoms A and B are constants and r the interatomic separation distance.
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