I have six (5) physics study questions I would like to ask: 1) Any engineer know

Question

I have six (5) physics study questions I would like to ask:

1) Any engineer knows that you do not make the rivets that hold beams and struts together from a different metal from that of the beams or struts. Why do you think that would be? (Chemists advise against it due to possible electrolytic deterioration issues.)

2) What Greek physician was among the first to establish a measure of temperature?

3) Which two gases are the most consistent with each other in the gas thermometer

4) Who is the scientist who first stated the uncertainly principle?

5) Where has the hottest temperature on Earth been achieved?

Thank you.

Explanation / Answer

Part A

If we make rivets and struts together with different materials then due to diffrent shea stress misfunctioning of equipment may occur. For same material shear will be same and mifunctioning may not happen.

Part b

Claudius Galenus, better known as Galen was first to establish a measure of temperature

Part C

Helium and Neon  two gases which are the most consistent with each other in the gas thermometer

Part D

Werner Heisenberg was the scientist who first stated the uncertainly principle

Part E

Brookhaven National Laboratory's Relativistic Heavy Ion Collider achieved 4 trillion degrees Celsius,temperature

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