Physics · Metal Casting
Which of the following is the principal advantage of NRL method over modulus method in riser design?
- 1It ignores solidification time entirely in calculations.
- 2It uses a fixed riser size for all castings.
- 3It requires only volume measurements for design.
- 4It uses shape factor instead of freezing ratio for simplicity.✓
Correct answer
It uses shape factor instead of freezing ratio for simplicity.
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