A. below 10°K
B. above 100°K
C. around 0°C
D. around 100°C
E. above 1000°C
A. improvement of casting characteristics
B. improvement of corrosion resistance
C. one of the best known age and precipitation-hardening systems
D. improving machinability
E. none of the above
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
A. nickel, copper
B. nickel, molybdenum
C. zinc, tin, lead
D. nickel, lead and tin
E. none of the above
[B].
Answer: Option A
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
A. 63 to 67% nickel and 30% copper
B. 88% copper, 10% tin and rest zinc
C. alloy of tin, lead and cadmium
D. iron scrap and zinc
E. none of the above