engineering recuitment BHEL Engineer Trainee Mock Test 2025 Production Engineering (Manufacturing) Metal Casting Casting Defects
The occurrence of casting defect ‘rat tail’ is possible because of
1. Soft ramming of sand
2. The continuous large flat surface on the mould
3. The excessive hardness of the mould
Which of the above reasons is correct?1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
1, 2 and 3