Foundry Metallurgy - Study Mode
[#11] In cold chamber method of die casting . . . . . . . .
Correct Answer
(B) The melting pot is separate from die casting machine
[#12] What are the parameters that metal shrinkage depends?
Correct Answer
(D) All of these
[#13] Match the casting defects in Group 1 with cause given in Group 2 . 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
Correct Answer
(D) P-2, Q-1, R-3, S-4
[#14] Two square shaped steel plates A and B have thickness of 4 and 8 cms respectively. They are sand cast under identical conditions. Plate A takes 10 minutes to solidify. Plate B would solidify in . . . . . . . . minutes.
Correct Answer
(D) 40
[#15] The operation not associated with casting is
Correct Answer
(D) Calendaring