Question

A casting of size 250$\times$200$\times$100 is to be produced by INVAR material. By considering shrinkage allowance alone, the ratio of volume of pattern to the volume of casting is

• A. None
• B. Equal to 1
• C. Less than 1
• D. Greater than 1

Answer 1

The correct option is B Equal to 1

During casting of Invar metal, the ratio of volume of pattern to the volume of casting is equal to 1.