If a web of internal passageways and chambers is to be constructed which of the following element is most obsolete for use?
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Which of the following statement is true?
Why are core prints added to the patterns when cores are used?
Which of the following is not a core machine?
Which cores are made manually in hand filled core boxes?
Weak cores are reinforced using what?
In shell core making, the core box is heated up to what temperature?
A sand slinger works at a high speed.
Cylindrical cores are made using Dump core boxes.
Which of the following equipment is used for both limited and mass production?
After preparation of cores, cores on the core plates are sent for what?
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