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What does an aerospace engineer wear to work?

So what does an aerospace engineer wear? You can just look on Google Images and see what they're wearing. Some of them look like they're wearing casual clothes (who'd want to wear a tux to inspect aircraft?), like a t-shirt and jeans, etc. Some pictures even look like they have lab coats. But that's just a rough view of what they'd wear. I've even read on some websites that they have to wear uniforms, but that depends on your company.


What is the source of error in a bourdon gauge?

· Friction· Wear· And backlash in gears.


What are the working conditions for a process engineer?

They are responsible for creating, documenting, developing and implementing procedures used to process, assemble, repair, test or manufacture the company's or the customers' products and systems.


What is the difference between high lift and low lift mower blades Which is best in which conditions?

High lift blades generally do a better job of lifting the grass and cutting it off smoothly but can stir up a lot of dirt and dust making your operating environment uncomfortable. High lift blades are commonly used with bagging systems to provide extra discharge lift. Low lift blades have less "drag" resulting in minor fuel saving and less wear and tear on mower and engine components.


Explian about cryogenic hardening?

Cryogenic hardening is often referred to cryogenic treatment and cryogenic processing. Using the term "hardening" is not correct. Cryogenic treatment does not increase the hardness of metals (I.E. rockwell hardness). Rather it changes metals on the molecular level so that they perform better. Cryogenic treatment is used for a variety of reasons including improving dimensional stability, stress relieving, increasing wear resistance, and eliminating walk and creep. A typical cryogenic treatment lasts for several days. Metal and steel parts will be put in a cryogenic processor at room temperature. The temperature will slowly be taken down to -300F below. Then it will hold there for 12 to 24 hours depending on the company doing the treatment. After that, the processor will have the temperature raised back to room temperature very slowly. Finally, the parts will be post-tempered to finalize the cryogenic treatment. Cryogenic treatment re-aligns the micro-structure of the metal to improve its structural stability. Retained austenite will be converted to martensite which allows for a tougher piece of metal. The eta-carbides in the metal will become precipitated which allows for a much higher degree of wear resistance. Below are some good sites for additional reference...