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What is a water break free surface?
has to do with alkaline dip tanks.. Water break free surface is a 10 second retention of water on a surface that has been cleaned and rinsed of its alkaline.
Differentiate between open channel flow and pipe flow?
The open channel flow has a free or rather open surface whereas the pipe flow has a closed surface.
Should crome rust in three months?
Only if it is severly abused/disused/ignored. If you don't clean it or make any attempt to keep it free from surface damage - it will rust quite quickly, as Chrome is only a thin surface treatment to the base metal.
What is difference among Stainless Steel surface Finishing 2B BA and 8K?
No. 2B: Cold rolled, pass-through highly polished rollers, annealed, pickled and passivated (very smooth, cloudy mirror surface)No. 2BA: Bright annealed (BA or 2R) same as above then bright annealed under oxygen-free atmospheric conditions. (very smooth, grey in color, will reflect images very close to the surface, NOT a mirror)No. 8: Mirror finish (visually the surface looks like a mirror)
What is the class of a barnacle?
Barnacles are shrimp-like arthropods that swim free when young then glue themselves to some hard surface and spend the rest of their life kicking food into their mouths with their feather-like legs.
