Briefly describe an idea for a new product, while thinking mainly about its cost analysis. Depict what kinds of direct and indirect costs will be involved in its creation.

Determine the stoichiometric and actual air-fuel ratios and the mole flue gas composition for combustion with 15% excess air for raw indiana, pennsylvania raw coal.

Areheat rankine cycle operates with water as the working fluid. steam enters the first turbine at 8 mpa and 450°c and exits at 0.8 mpa. it is then reheated to 400°c before entering the second turbine, where it exits at 10 kpa. if the amount of work into the pump is 8.04 kj/kg and the net work per cycle produced is 1410.25 kj/kg, determine the thermal efficiency of the cycle.

What is the fuid acceleration in vector form for the following velocity field? note i, j, and k are unit vectors. show all of your work.