33) Cold storages are used to store Prepregs for

Improving the properties

Portecting from damages

Retaining the tackiness of resin

None of these

Answer is:

Retaining the tackiness of resin

ISRO Technician-B Fiber Reinforced Plastics Question Paper - 2019 (Set - 1) with Answer Key

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34) Debulking during the laminate process is

Vacuum application at intermediate stages to ensure voids removal and compaction

Removal of bulk material

Heating the laminate

Trimming of the laminate

Answer is:

Vacuum application at intermediate stages to ensure voids removal and compaction

35) Resin content of a cured composite is found by

Solvent method

Breaking the composite

Pressurisation method

Curing in an oven

Answer is:

Solvent method

36) Stiffened structures are generally cured with the application of

(a) Vacuum only

(b) Pressure only

Both (a) and (b)

None of the above

Answer is:

Both (a) and (b)

37) Name the polymer resin which undergoes condensation polymerization

Polyester

PEEK

Phenolic

Epoxy

Answer is:

Phenolic

ISRO Technician-B Fiber Reinforced Plastics Question Paper - 2019 (Set - 1) with Answer Key

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33) Cold storages are used to store Prepregs for

Retaining the tackiness of resin

ISRO Technician-B Fiber Reinforced Plastics Question Paper - 2019 (Set - 1) with Answer Key

Related ISRO Technician-B Fiber Reinforced Plastics Question Paper - 2019 (Set - 1) with Answer Key

34) Debulking during the laminate process is

Vacuum application at intermediate stages to ensure voids removal and compaction

35) Resin content of a cured composite is found by

Solvent method

36) Stiffened structures are generally cured with the application of

Both (a) and (b)

37) Name the polymer resin which undergoes condensation polymerization

Phenolic

ISRO Technician-B Fiber Reinforced Plastics Question Paper - 2019 (Set - 1) with Answer Key