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I've been wondering why most (hobby) CNC machines have two actuated linear rails like this: Besides the extra force for...
Asked on 07/11/2021
1 answerIf $h=h(T, P)$. Does $ dh = c_pdT + left[v - Tleft(frac{partial v}{partial T}right)_P right]dP Rightarrow h_2 - h_1 = int_{T_1}^{T_2} c_pdT + int_{P_1}^{P_2}left[v - Tleft(frac{partial v}{partial T}...
Asked on 07/10/2021 by Wachuke
1 answerI am working on a HVAC project where lizard in going inside the electrical unit and causing wire damage and short circuit. I need to find some solution to detect...
Asked on 07/10/2021 by Prasan Dutt
1 answerWe have an old stone built cottage. We have a garage we are converting to a bathroom. The garage roof is a barrel brick ceiling. We need...
Asked on 07/10/2021
1 answerI am trying to figure out am I doing this calculation correctly. To get the maximum shear stress for a solid cylindrical pipe I need two formulas: Moment of inertia...
Asked on 07/09/2021 by user1610950
2 answerI am trying to optimize the heat control of a test bench at our facility. The test bench is basically a pipe with an air flow that can be heated...
Asked on 07/09/2021
2 answerI am trying to understand why normal shocks are caused in Converging Diverging Nozzles. My textbook explains that since the exit pressure must match the back pressure, the normal shock...
Asked on 07/09/2021 by john melon
2 answerPlugs and sockets tend to differ between countries. Though many different standards exist the vast majority have one thing in common: The pins (earth included) are attached to the plug....
Asked on 07/09/2021 by user32899
2 answerStandard bicycle spoke tensiometers are too large for use with small wheels, the kind used on recumbent bikes and folding bikes. Could a small adjustable or beam-style torque wrench be...
Asked on 07/09/2021
0 answerIn Lagrangian or Material description, the physical properties aredescribed in terms of the material coordinates and time. It focuses onwhat is occurring at a fixed material point (or...
Asked on 07/09/2021
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