Foundry Metallurgy MCQ Questions and Answers | Metallurgical Engineering Page-7 section-1

61.
In cold chamber method of die casting . . . . . . . .

A. The melting pot is integral with die casting machine

B. The melting pot is separate from die casting machine

C. Melting pot location has nothing to do with such a classification

D. High temperature and low-pressure alloys are used

A. The cast metal or alloy

B. Pouring temperature of the metal or alloy

C. Molding conditions

D. All of these

A. P-1, Q-2, R-3, S-4

B. P-3, Q-4, R-1, S-2

C. P-4, Q-3, R-2, S-1

D. P-2, Q-1, R-3, S-4

Group 1	Group 2
P. Hot tear	1. Insufficient melt superheat
Q. Misrun	2. High residual stresses
R. Blister	3. Improper venting
S. Rat tail	4. Expansion of sand