Q1. Describe the necessity of gating system. Describe ring gate with sketch.
Q2. Describe the merits and demerits of fully positive mould.
Q3. Describe the constructional features and applications of the flash moulds.
Q4. Describe the merits and use of semi-positive mould.
Q5. Draw a proper sketch of the auxiliary ram type transfer mould.
Q6. Describe the constructional details of integral pot type transfer mould with sketch.
Q7. Describe the function of runner. Sketch its different cross-section and illustrate its use.
Q8. Compare and contrast the compression mould with transfer moulds.