Question

Which of the following is ‘not’ an advantage of the usage of pattern in a casting of metals?

(a) Using patterns to cast objects, less time is consumed for mass production

(b) It is cost efficient and profitable for mass production

(c) Production of the pattern requires extra effort to cast the object

(d) Cores in the pattern could be used to decrease the amount of machining done for making cavities

This question was posed to me by my school teacher while I was bunking the class.

I'm obligated to ask this question of Difference between Pattern and Casting in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer 1

The correct option is (c) Production of the pattern requires extra effort to cast the object

The explanation is: Production of patterns requires additional efforts but is justified for mass production only, where more products are formed in less time and overcomes the effort and cost of making patterns.