Kerala PSC Previous Years Question Paper & Answer
Page:5
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LABORATORY TECHNICAL ASSISTANT - RUBBER TECHNOLOGY' And exam conducted in the year 2016. And Question paper code was '038/2016/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
C:-6" x 12"
D:-None of these
Correct Answer:- Option-C
Question39:-Latex thread is manufactured by
A:-Dipping
B:-Extrusion
C:-Gelling
D:-Casting
Correct Answer:- Option-B
Question40:-Identify the synthetic rubber that shows low gas permeability
A:-NR
B:-SBR
പി
D:-CR
Correct Answer:- Option-C
Question41:-Gelling agent used in foams
A:-Sodium alginate
B:-Sodium bi carbonate
C:-Sodium carbonate
D:-Sodium silico fluoride
Correct Answer:- Option-D
Question42:-Which among these is not a coacervant?
A:-Ammonium nitrate
-Calcium chloride
C:-Calcium nitrate
D:-Acetic acid
Correct Answer:- Option-A
Question43:-For the vulcanisation of chloroprene rubber the curing agent used is
A:-Sulphur
-Per oxide
C:-Metal oxide
D:-Radiational vulcanization
Correct Answer:- Option-C
Question44:-Trans isomer of poly isoprene is
A:-Gutta purcha
-lsoprene
C:-Polybutadiene
D:-Buna-S
Correct Answer:- Option-A
Question45:-The process of reusing the scrap in to products after chemical treatment is termed as
A:-Recycling
B:-Reclaiming
C:-Reusing
D:-Relaxing
Correct Answer:- Option-B
Question46:-Necking or Pearling is a defect associated with
A:-Latex thread
B:-Latex foam
C:-Latex balloons
D:-All the above
Correct Answer:- Option-A
Question47:-The bleaching agent used in Pale latex crepe
A:-Sodium sulfite
-Xylyl mercapton
C:-Thiokol
D:-Carbondisulphide
Correct Answer:- Option-B
Question48:-Flat spotting of tyres usually occur in
A:-Steel chords