With respect to the matrix of Al-Cu alloys, G-P zones are
A. coherent
B. incoherent
C. semi-coherent
D. chemically indistinguishable
Answer: Option A
A. coherent
B. incoherent
C. semi-coherent
D. chemically indistinguishable
Answer: Option A
A. creep
B. toughness
C. tensile strength
D. fatigue strength
Most important property of steels for use in automoblie bodies is
A. formability
B. yield strength
C. toughness
D. resilience
p-type semi-conductor can be obtained by doping silicon with
A. antimony
B. phosphorous
C. arsenic
D. boron
Liquid nitrogen containers can be made, from
A. ferritic stainless steel
B. HSLA steel
C. Titanium
D. Austenitic stainless steel
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