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If we multiply the identity matrix by any vector or a matrix, then the result is the vector or the matrix themselves (like a mirror). Tensors represent physical quantities, so...
Asked on 12/02/2020
1 answerWhat would happen if I tempered aluminum of aeronautical use? Being more specific, an alloy of 96% of aluminum and 4% of copper, without modifications and 2% of impurities. (Al...
Asked on 12/02/2020 by Oscar Espinosa
2 answerI'm working on a small engineer project and I need to know which materials are candidate depending on their functions. For example, I needed a material for a part of...
Asked on 12/01/2020 by Pablo Díaz
4 answerI was informed today by one of the on-site operators that they saw the colour of the stack flue gas change from colourless to a yellow/purple gas for a short...
Asked on 12/01/2020 by SimpleJack
0 answerWhat is the definition of rate $(−ra)=−frac{dCa}{dt}$ or $(−ra)=−1/Vfrac{dNa}{dt}$ ? I think the general one is the second one and first one is for constant volume reaction system....
Asked on 12/01/2020 by user182794
2 answerI'm designing a system where I need to fill and exhaust air from an an air bag. The air will be supplied from a dc motor. As of right now...
Asked on 12/01/2020 by Athena
1 answerIn numerous cartoons, video games, movies, etc., I've seen how a toaster makes the toasted bread jump high up in the air when done, forcing the user to catch them...
Asked on 12/01/2020 by Manzie Spingler
3 answerDiffusers in turbomachinery are used to transfer some of the kinetic energy of the fluid to pressure energy and to direct the fluid to the ducting/second stage/... I understand this...
Asked on 11/30/2020
1 answerIs there a kind of "handbook" for general engineering ideas and possible applications? I vaguely remember a machinist friend mentioning some standard book to glean ideas from...I'm in need...
Asked on 11/30/2020
3 answerIt would be convenient to use a temperature adjustable heat plate (element)/mug warmer for the massive amount of blender bottles accumulated over the years. What are safe thresholds to safely...
Asked on 11/29/2020 by user289394
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