Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Lecturer in Polymer Technology (Polytechnics)' And exam conducted in the year 2023. And Question paper code was '120/2023/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.
Question86:-To measure the stock temperature inside a Banbury mixer, the device
used is
A:-A pyrometer
B:-A mercury thermometer
C:-A thermocouple
D:-A gas-thermometer
Correct Answer:- Option-C
Question87:-Crows feet is related to process
A:-Extrusion
B:-Transfer molding
C:-Injection molding
D:-Calendaring
Correct Answer:- Option-D
Question88:-Frictioning in a calendar involves
A:-Coating a fabric with rubber stock at least 1/8 inch thick
B:-Depositing and cost of liquid cement on a fabric for better adhesion
C:-Forcing the rubber into the interstices between fibers of a fabric through
wiping with roll pressure between the middle and bottom rolls
D:-Producing a surface design in sheet material
Correct Answer:- Option-C
Question89:-To produce thick rubber sheeting, it is preferable to use
A:-A calendar
B:-An extruder
C:-A combination of extruder and calendar
D:-An extruder with roller head
Correct Answer:- Option-D
Question90:-Continuous vulcanization of an extruded sponge profile can be done by
A:-Rotocure
B:-Microwave curing
C:-LCM cure
D:-Fluidized bed cure
Correct Answer:- Option-B
Question91:-Which of the following curing technique has highest heat transfer
coefficient?
A:-Hot air oven
B:-Hot air tunnel
C:-Fluidized bed curing