InterviewSolution
Saved Bookmarks
| 1. |
The presence of chills in the mould does not have any affects on the riser mechanism.(a) True(b) FalseI had been asked this question in examination.I want to ask this question from Riser Placement topic in division Cooling and Solidification of Casting-Forming-Welding I |
|
Answer» RIGHT answer is (b) False For EXPLANATION: The presence of chills in the moulding system greatly affects the riser mechanism. Chills in the mould increase the feeding distance of the riser, which is basically achieved by providing a sharp thermal gradient with the consequent DECREASE in the feeding RESISTANCE of the riser mechanism. |
|