Cemented carbide cutting tools are
P. made by casting
Q. made of mainly WC and cobalt
R. made of Fe3C and cobalt
S. made by liquid phase sintering
A. P, Q
B. Q, R
C. P, R
D. Q, S
Answer: Option D
This Question Belongs to Metallurgical Engineering >> Introduction To Metallurgy
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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
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