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- 1. Multiple Choice
Castability have been used to describe certain aspects of flow behaviour, the term fluidity is most widely recognized.
TRUE
FALSE
NO INFORMATION
- 2. Multiple Choice
For a binary system of known composition and temperature at equilibrium, at least three kinds of information are available:
the percentages or fractions of the phases
Density of the phases
the phases that are present
the thermal properties of these phases
- 3. Multiple Choice
The principal methods of shaping metals may be classified in five groups, except:
Casting
Physical working
Fabrication by joining
Machining
Powder metallurgy
- 4. Multiple Choice
Shrinkage defects in casting may generated during ...
Mold Preparation
Cleaning and Finishing
Solidification and Cooling
Pattern Preparation
- 5. Multiple Choice
Gross failure to meet these conditions produces the most serious defect in this group, the misrun or short run casting, in which the metal solidifies prematurely and some limb or section of the casting is omitted.
- 6. Multiple Choice
AISI 1050 (0.5wt% C) at 800oC has .... phases.
Ferrite + Cementite
Austenite + Sementite
Austenite + Liquid
Ferrite + Austenite
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