Steel is an alloy of which two elements?
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Which of the following is not a limitation of wooden patterns?
Metal patterns have a longer life than wooden pattern.
Which of the following is not a limitation of metal patterns?
Which of the following patterns do not withstand rough handling?
Which of the following has the lowest melting point?
Which of the following is the heaviest?
In Solid casting method, the resin mixture is kept for how much time for hardening and curing?
Core boxes are made out of which pattern?
What should the sulphur level in foam plastic be?
Which of the following patterns has high compressive strength?
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