Gujarat Technological University 2010 Diploma in Hospital Management Injection moulding technology - Question Paper

Q.1 (a) List different parts of an Injection Moulding Machine and discuss
various zones of reciprocating screw.
07
(b) Compare hydraulic clamping and toggle clamping 07
Q.2
(a) discuss the material selection criteria for Injection Moulding. List
five materials suitable for Injection Moulding.
07
(b) describe Injection Moulding. discuss Injection Moulding process with
neat sketch.
07
OR
(b) Write detail specification for an Injection Moulding Machine. 07
Q.3
(a) State different advantages and disadvantages of Injection Moulding. 07
(b) discuss different Injection Moulding process variables. 07
OR
Q.3 (a) discuss Injection Moulding cycle diagram. 07
(b) State causes and remedies for any 3 Injection Molded product
defects.
07
Q.4
(a) Write a short note on hopper loader. 07
(b) Draw a neat sketch of a heat exchanger and discuss its working. 07
OR
Q. four (a) List advantages and disadvantages of RIM process. 07
(b) discuss Metal filled Injection Moulding process. 07
Q.5
(a) discuss Gas Assisted Injection Moulding process. 07
(b) discuss different steps involved in RIM process with flow diagram. 07
OR
Q.5 (a) discuss Sandwich Injection Moulding process and state advantages
of it.
07
(b) Write a short note on post molding operations. 07

Earning:   Approval pending.