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 'LECTURER IN POLYMER TECHNOLOGY POLYTECHNICS TECHNICAL EDUCATION' 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.
Correct Answer:- Option-D
Question39:-Neoprene is commonly cured with
A:-Sulphur
B:-Metal oxide
C:-Peroxide
D:-Radiation
Correct Answer:- Option-B
Question40:-An example of amorphous polymer is
A:-UPVC
B:-PMMA
C:-Polystyrene
D:-All of these
Correct Answer:- Option-D
Question41:-For polymer containing OH group a major absorption peak is expected at (wave number}
A:-3400
B:-3000
C:-2450
D:-1700
Correct Answer:- Option-A
Question42:-Which of the following is commonly use to estimate crystallinity?
A:-NMR
B:-TGA
:ع ray
D:-TMA
Correct Answer:- Option-C
Question43:-Tan delta is defined as
A:-Loss modulus / storage modulus
B:-Storage modulus / loss modulus
C:-Logarithmic decay / phase angle
D:-Phase angle / storage modulus
Correct Answer:- Option-A
Question44:-The angle of oscil
A:-2.0
B:-0.2
60
D:-360
Correct Answer:-Question Cancelled
Question45:-Re nce 15 inversely related to
A:-Compression set
B:-Heat build up
C:-Tension set
D:-All of these
Correct Answer:- Option-B
Question46:-Tear strength is optimum at
A:-Optimum cure
B:-Slight under cure
C:-Slight over cure
D:-None of these
Correct Answer:- Option-B
Question47:-A high value of tan delta indicates
A:-good traction
B:-good mileage
C:-low heat build up
D:-All of these
Correct Answer:- Option-A
Question48:-Which rubber gives high tear resistance?
A:-PBD
B:-SBR
(नारि
tion in MDR is (degrees)