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For the following questions answer them individually
In 18-4-11 HSS (high speed steel) the percentage of chromium is
1%
4%
8%
20%
The pH value of neutral solution is
Equal to 7
Less than 7
Greater than 7
None of these
_______ is better suited for lighter duty bearings.
Phosphor Bronze
Plastics
White metal
Monel metal
_______ is not the neutral refractory material.
Graphite
Karnelite
Chromite
Dolomite
_________ structure has maximum hardness.
Troostile
Pearlite
Martensite
Sorbite
_______ has least coefficient of expansion
Manganin
Invar
Constantan
Duralumin
_______is the essential gradient of any hardened steel.
Carbon
Austenite
______ structure can be studied by naked eye.
Atomic
Grain
Micro
Macro
______ is used for bearing liner.
Brass
Bronze
Gun metal
Babbitt metal
______ is the most important element which controls the physical properties of steel.
Chromium
Vanadium
Tungsten
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