Kerala PSC Previous Years Question Paper & Answer
Page:10
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN POLYMER TECHNOLOGY' And exam conducted in the year 2015. And Question paper code was '031/2015/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.
Question88:-Which one has molecular level mixing?
A:-Blend
B:-Composite
C:-Alloy
D:-Alll of these
Correct Answer:- Option-C
Question89:-Which is a very commonly used fiber in tyre industry?
A:-Nylon 6
B:-Nylon 66
C:-PET
D:-Aramid
Correct Answer:-Question Cancelled
Question90:-The membrane on rubber particles is
A:-proteinic
B:-lipoproteinic
C:-phospholipoproteinic
D:-phosphoproteinic
Correct Answer:- Option-C
Question91:-Which of the following statements is true?
A:-TSC > DRC
B:-TSC < DRC
C:-TSC = DRC
D:-TSC-DRC <1
Correct Answer:- Option-A
Question92:-Mechanical stability test is done on
A:-Latex
B:-Unvulcanised rubber
C:-Vulcanised rubber
D:-Aged rubber
Correct Answer:- Option-A
Question93:-The major metal present in sludge removed from latex is
A:-Fe
B:-Mg
C:-Mn
D:-None of these
Correct Answer:- Option-B
Question94:-Which of the following is a VFA?
A:-Stearic acid
B:-Acetic acid
C:-Palmitic acid
D:-Oleic acid
Correct Answer:- Option-B
Question95:-Which of the following cannot destabilize latex?
A:-Ammonia
B:-Acid
C:-Metal ion
D:-Positively charged electrode
Correct Answer:- Option-A
Question96:-Potassium oleate is used in NR foam manufacture as
A:-Foam stabilizer
B:-Activator
:-Foam promoter
D:-Antioxidant
Correct Answer:- Option-C
Question97:-The foaming agent used in NR foam is
A:-DNPT
B:-Nitrogen
C:-Air
D:-Alll of these