Question

Surface finish of the castings is not better in the low-pressure die casting method as compared to other method of casting.

(a) True

(b) False

I have been asked this question in a national level competition.

This key question is from Low Pressure Die Casting topic in division Special Casting Techniques of Casting-Forming-Welding I

Answer 1

The correct answer is (b) False

Explanation: Very good surface finish of the order of 1 micron can be obtained in low-pressure die casting method because of application of metallic dies. The surfaces generated by this method of casting can be directly electroplated without any further processing. This method is economical for moderate or large scale production.