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Canada-0-MEDITATION Azienda Directories
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Azienda News:
- Pinned amp; Rolling support in Roof Truss (timber) - Eng-Tips
Can anybody explain in simple terms for a truss newbie What is the difference between designing a truss with two pinned supports and designing it with one pinned and one rolling?
- Effect of Molecular Weight On Compressor Performance
Dear All, I have extensively studying the analysis of the impact of Molecular weight changes on fixed speed and variable speed compressors Can you provide your feedback on the below simplified summary: 1) Fixed Speed Compressor, fixed compression ratio, speed and head at every flow: a) With
- Please help clarify datum shift vs bonus tolerance | Eng-Tips
Then the datum shift is the difference between the actual size and the virtual condition size developed by the refinement tolerance If the same hole was a tertiary, the the shift is the difference between the actual size and the virtual condition size developed through the positional tolerance rather than the refinement
- NPSH vs. Pressure - Eng-Tips
Hi all, I am having trouble trying to distinguish the difference between NPSH and pressure I know that NPSHr is what you must have in order for the pump to not cavitate It is equal to: (static height) + (pressure within vessel) - (vapor pressure) - (pipe friction losses) For example
- Difference between surface contact mesh and mesh mating condition
I am using NX 7 5, my doubt is applying these contact mesh will it affect the weld mesh which are there in the contact region and if yes what will be the effect
- Wind effect on heat loss gain through walls | Eng-Tips
In cooling the difference between indoor and outdoor temperature factors in mainly on infiltration and ventilation The heat gain through walls is more about the heat from the sun beating on the wall, than it is the temperature differential between indoor air and outdoor air
- Motor Starting Power amp; Power Factor | Eng-Tips
The starting power factor has nothing to do with with running load kW 0 36 sounds a little high, but the difference between assuming 0 2 and 0 36 should not be too significant You need to pick a NEMA starting code in the softwware that matches the actual starting current data for your motor
- Internal wind pressure - Eng-Tips
So when you get a net difference between a set internal pressure and a different exterior pressure, you get a net pressure applied to the walls of the box This is not necessarily the full internal pressure effect used in ASCE 7
- Torque spec changes from nut to bolt head? | Eng-Tips
In a torque spec for a typical bolt, washer and nut arrangement, is the proper torque value affected whether it is applied to the bolt head as opposed to the nut? Thanks!
- Motor and ESC Theory - Current Draw | Eng-Tips
The difference between a DC motor and a DC generator is just a few RPM or a few Volts Imagine your motor is hooked up to a dyno which has the ability to over drive the motor The motor is generating almost as much voltage as is applied to it When the motor is running on the dyno at no load the current will be small
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