Question

How much time is taken by sand, for sand preparation in terms of muller time?

(a) 33 to 50 percent of muller time

(b) 14 to 29 percent of muller time

(c) 25 to 40 percent of muller time

(d) 46 to 62 percent of muller time

The question was posed to me during an online exam.

I want to ask this question from Molding Sand Preparation topic in chapter Sand Preparation of Casting-Forming-Welding I

Answer 1

Right choice is (a) 33 to 50 percent of muller time

The best I can explain: Muller time is the time needed for the high speed muller to complete its function. For sand preparation, approximately 33 to 50 percent of muller time is needed.