Foundry crucible is made of_________________?
A. mild steel
B. german silver
C. lead
D. cast iron
E. graphite
A. mild steel
B. german silver
C. lead
D. cast iron
E. graphite
A. 600 VPN
B. 1500 VPN
C. 1000 to 1100 VPN
D. 250 VPN
E. 2000 VPN
A. no graphite
B. a very high percentage of graphite
C. a low percentage of graphite
D. graphite as its basic constituent of composition
E. none of the above is true
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
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 B
Explanation:
No answer description available for this question.
A. ability to undergo large permanent deformations in compression
B. ability to recover its original form
C. ability to undergo large permanent deformations in tension
D. all of the above
E. none of the above