Question

What is the temperature requirement of sand, for manufacturing?

(a) Below 40°C

(b) Below 50°C

(c) Below 60°C

(d) Below 70°C

The question was asked during an online exam.

I need to ask this question from Molding Sand Preparation in section Sand Preparation of Casting-Forming-Welding I

Answer 1

Correct answer is (a) Below 40°C

For explanation I would say: Among the basic conditions of sand, temperature condition is considered an essential factor. The temperature requirement of sand used for manufacturing should be below 40°C.