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 'Tradesman (Polymer Technology)' And exam conducted in the year 2023. And Question paper code was '084/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
D:-None of the above mentioned
Correct Answer:- Option-D
Question52:-Dry rubber content of field latex can be measured roughly using
A:-Metrolac meter
B:-Lactometer
C:-Saccharometer
D:-Acidometer
Correct Answer:- Option-A
Question53:-Which is used for the proper alignment of the nozzle and mold of the
injection molding machine?
A:-Spider
B:-Sprue
C:-Register ring
D:-Sprue bush
Correct Answer:- Option-C
Question54:-Which type of cooling system provides the most efficient heat
exchange in the calendaring process?
A:-Cored roll
B:-Surface rolls
C:-Central rolls
D:-Peripherally drilled rolls
Correct Answer:- Option-D
Question55:-What is the compression ratio of a cold feed extruder?
A:-1:1
B:-2.5:1
C:-1.08:1
D:-6.08:1
Correct Answer:- Option-B
Question56:-What type of compression mold is most suitable for extremely soft and
hard compounds?
A:-Straight
B:-Flash
C:-Positive
D:-Semi-positive
Correct Answer:- Option-C
Question57:-The efficiency of a machine is defined as the ratio of the output work
produced by the machine to