Q. Thick wall samplers have area ratio (Solved)
1. greater than 20 -35%
2. greater than 10- 25%
3. lesser than 10 -25%
4. lesser than 15 -35%
- b. greater than 10- 25%
1. greater than 20 -35%
2. greater than 10- 25%
3. lesser than 10 -25%
4. lesser than 15 -35%