WorksheetsBase Metals
Total questions: 10
Worksheet time: 5mins
Melting Temperature - most of the base metal alloys have at
below 950 c
1150-1500 c
900- 1000 c
above 1500 c
The Average Density Of Cast Base Metal Alloys Is Between
3-5gms /Cm3
9-11gms /Cm3
7-8gms /Cm3
2-4gms /Cm3
Gives an indication of when a permanent deformation of a part such as clasp will occur.
Yield Strength
Tensile Strength
Compressive Strength
All the above
Indication Of Relative Brittleness And Ductility.
Distortion
Compression
Elongation
Propulsion
NICKEL-CHROMIUM-BERYLLIUM ALLOY Composition: Nickel – 62% to 82% Chromium – 11% to 20% Beryllium –
1.0%
2.0%
3.0%
4.0%
Inhalation of beryllium containing dust or fumes is the main route of exposure. It causes a condition know as
berylliosis
berylliophobia
berylliocyst
berylliopenia
It is chromium which makes the stainless steel resistant to
porosity
Creep
tarnish and corrosion
attrition
a Steel at a Temperature Above 912 C Is Suddenly Cooled , It Undergoes Transformation in Its Structure to Form a Body Centered Tetragonal Structure Called
Austenitic
Martensite
both
none
Cobalt and nickel containing alloys could be potential allergens ,biological risks of metal ions being released suggests use of
Chromium
Molybdenum
titanium
bronze
the ability of the alloy to retain and memorize a particular shape given to it
Control Memory effect
Shape Memory effect
No Memory effect
Ferrule effect
