31) Pot life' of a resin matrix means

Duration of time resin mix can be used for processing after mixing

Duration of time resin mix can be stored under prescribed conditions

Duration of time required for curing

Duration of time required for gelation

Answer is:

Duration of time resin mix can be used for processing after mixing

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

For more MCQ's Click Here

32) During composite machining cutting tool and work piece interface cooling is carried out by

Vacuum sucking

Coolant oil

Compressed air

Brushing

Answer is:

Compressed air

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

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

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

For more MCQ's Click Here

31) Pot life' of a resin matrix means

Duration of time resin mix can be used for processing after mixing

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

32) During composite machining cutting tool and work piece interface cooling is carried out by

Compressed air

33) Cold storages are used to store Prepregs for

Retaining the tackiness of resin

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

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