Which one of the following expands upon solidification?
A. Low carbon steel
B. High carboon steel
C. White cast iron
D. Gray cast iron
Answer: Option D
A. Low carbon steel
B. High carboon steel
C. White cast iron
D. Gray cast iron
Answer: Option D
Which of the following are not commercially manufactured by powder metallurgy
A. Aircraft brake pads
B. Self-lubricating bearings
C. Tungsten carbide based cutting tools
D. Turbine blades
A. 10 degrees
B. 21 degrees
C. 30 degrees
D. 50 degrees
Which crystal system does not have all axial angles at 90 degrees?
A. Tetragonal
B. rhombohedral
C. orthorhombic
D. cubic
Which one of the following expands upon solidification?
Answer is Gray cast iron
Can you give me the explanation...