The members of the truss shown in the accompanying figure have a cross-sectional area of 15 cm2 and are made of aluminum alloy (E = 73 GPa). Using FE hand calculations, determine the deflection of each joint and the stress in each member. Verify your results using ANSYS APDL
ReportQuestion
waffen
The members of the truss shown in the accompanying figure have a cross-sectional area of 15 cm2 and are made of aluminum alloy (E = 73 GPa). Using FE hand calculations, determine the deflection of each joint and the stress ...
![A pharmaceutical crystalline material containing 15% by weight H2O must be dried to 7% H2O in a recycle air dryer. The fresh air contains 0.01 kg H2O/kg dry air and the air leaving the dryer contains 0.1 kg H2O kg/kg dry air. The air entering the dryer contains 0.03 kg H2O/kg dry air. a) Draw a schematic diagram of the process. [2 marks] b) Calculate the weight of water removed and the weight of fresh air supplied per 10 kg of wet feed [4 marks] c) Calculate the weight of recycled air per 10 kg wet feed.](https://numengineering.com/wp-content/uploads/2024/12/Screenshot-2024-12-09-180635.png)
![Toluene is manufactured by the catalytic conversion of n-heptane according to the reaction: C7H16 → C6H5CH3 + 4H2 The n-heptane is fed to the reactor at a temperature of 400°C and the reaction goes to 20% completion. a) Choosing a suitable basis, calculate the number of moles of all components in the product stream. [2 marks] b) Write an energy balance for the system stating the references and any assumptions clearly. [2 marks] c) Calculate the standard heat of reaction at 25°C. [4 marks] d) Calculate how much heat has to be added or removed from the reactor to make it isothermal at 400°C. State any assumptions clearly. [4 marks] Data: Standard heats of formation at 1 atm and 25°C: n-heptane (l) -53.630 kcal/mole CO2 (g) -94.052 kcal/mole H2O (g) -57.798 kcal/mole Standard heat of combustion at 1atm and 25°C: Toluene (l) -934.5 kcal/mole Latent heat of vaporization at 1atm and 25°C: H2O 10.52 kcal/mole](https://numengineering.com/wp-content/uploads/2024/12/Screenshot-2024-12-09-164955.png)
![A pharmaceutical crystalline material containing 15% by weight H2O must be dried to 7% H2O in a recycle air dryer. The fresh air contains 0.01 kg H2O/kg dry air and the air leaving the dryer contains 0.1 kg H2O kg/kg dry air. The air entering the dryer contains 0.03 kg H2O/kg dry air. a) Draw a schematic diagram of the process. [2 marks] b) Calculate the weight of water removed and the weight of fresh air supplied per 10 kg of wet feed [4 marks] c) Calculate the weight of recycled air per 10 kg wet feed. [2 marks] d) What is the aim of the recycle? Briefly explain.](https://numengineering.com/wp-content/uploads/2024/12/Screenshot-2024-12-09-164906.png)
![A stream of saturated steam at 1 atm and a flow rate of 1150 kg/h is mixed with a second stream of superheated steam at 400°C in an adiabatic mixing. The resulting stream is a superheated steam at 300°C which is a feed to a heat exchanger. a) Draw a schematic diagram of the process. [2 marks] b) Write the energy balance for the system clearly stating the references and all assumptions. [2 marks] c) Calculate the amount of superheated steam at 300°C produced and the required volumetric flow rate of the 400°C steam. [4 marks] Additional data: Specific volume of superheated steam at 400°C is 3.11 m3 /kg For physical and thermodynamic data use Q1 Table 3 in the Additional Data Section.](https://numengineering.com/wp-content/uploads/2024/12/Screenshot-2024-12-09-164758.png)
