Physical Terms and Test Terms Online Exam Quiz
Physical Terms and Test Terms GK Quiz. Question and Answers related to Physical Terms and Test Terms. MCQ (Multiple Choice Questions with answers about Physical Terms and Test Terms
___ is a process used to extract magnesium from its ore.
Options
A : Nitride
B : Farnsworth process
C : Ferrosilicon process
D : Mows process
A material elongated to 35m due to certain conditions. If it's initial length is 7m, what is the strain of the material?
Options
A : 21m
B : 5m
C : 7m
D : 35m
Dolomite is ___
Options
A : magnesium carbonate
B : magnesium and potassium chloride
C : magnesium calcium carbonate
D : magnesium
For the first time in ___ pure magnesium was obtained.
Options
A : 1599
B : 2001
C : 1932
D : 1808
Hardness is inversely proportional to strength.
Options
A : TRUE
B : FALSE
C : -
D : -
Heat treatments negatively affect magnesium-alloy castings.
Options
A : TRUE
B : FALSE
C : -
D : -
If a material is loaded beyond its elastic limit ___
Options
A : it returns back to it's original shape
B : it acquires softness
C : it is permanently distorted
D : it turns to liquid
Magnesium obtained in the electrolytic process has a minimum purity of ___
Options
A : 69%
B : 22.65%
C : 99.98%
D : 100%
Steel is one of the few materials that has a definite yield point.
Options
A : TRUE
B : FALSE
C : -
D : -
The 'A' in the image represents ___^
Options
A : proportional limit
B : yield point
C : conductivity
D : rupture strength
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