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Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING SEMESTER -IV• EXAMINATION SUMMER 2017
Subject Code: 342304 Date: 05 05 2017
Subject Name: PROCESSING OF THERMOSET
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make Suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Use of programmable Communication aids are strictly prohibited.
5. Use of only simple calculator is permitted in Mathematics.
6. English version is authentic.
Q.1

Draw neat sketch of compression molding machine and explain basic principal.
07



07

Write process steps for compression molding cycle.




Q.2

Short note on bulk factor and perform
07



07

Write advantages Disadvantages of compression molding process.




OR

Describe the compression mold Heating System
07


Q.3

Describe "CULL" removal techniques used in transfer molding
07



07

Draw neat sketch and explain Pot Transfer




OR
Q.3

Write process steps for transfer molding process
07



07

Draw neat sketch and explain Plunger Transfer




Q.4

Write advantages Disadvantages of transfer molding molding process.
07



07

Draw any transfer mold and indicate all terminology.




OR
Q.4

Write the short note on material selection criteria for transfer molding.
07
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07

Write Injection molding process steps for thermoset material.




Q.5

Comparison with Injection Moulding of Thermoplastics to thermoset
07



07

Write Start-up and Shut down Procedure for injection molding process used for thermoset material




OR
Q.5

Write Comparison with Compression and Transfer Moulding Process
07



07

Write Process Variables for injection molding process used for thermoset material