Complex shapes which are difficult to produce by any other method are possible by

Question

Directions: The following  items consist of two statements one labeled at the ‘Assertion A’ and the other as ‘Reason (R)’. You are to examine these two statements carefully and select the answers to these items using the codes given below

        (a) Both A and R are individually true and R is the correct explanation of A

         (b) Both A and R are individually true but R is not the correct explanation of A

         (c) A is true but R s false               

         (d) A is false but R is tru

Assertion (A):             Complex shapes which are difficult to produce by any other method are possible by

precision investment casting

         Reason (R):        In precision investment casting the pattern is withdrawn by melting it.