Kerala PSC Previous Years Question Paper & Answer
Page:9
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.
Correct Answer:- Option-C
Question46:-As per IS 5430 - 1981, the maximum permissible value for Coagulum
content for preserved natural rubber latices is
A:-1% by mass of latex
B:-0.15% by mass of latex
C:-0.10% by mass of latex
D:-0.05% by mass of latex
Correct Answer:- Option-D
Question47:-Water soluble ingredients can be added into latex as
A:-Dispersions
B:-Solutions
C:-Emulsions
D:-Foaming agent
Correct Answer:- Option-B
Question48:-Dispersions can be prepared using
A:-Ball mills
B:-Vibration mills
C:-Colloid mills
D:-All the above mentioned
Correct Answer:- Option-D
Question49:-TMTD is added into the latex as
A:-Emulsion
B:-Dispersion
C:-Solution
D:-None of the above mentioned
Correct Answer:- Option-B
Question50:-Identify the creaming agent used for concentrating latex
A:-Tamarind seed powder
B:-Vulcafor F
C:-Stearic acid
D:-Sodium Silicofluoride
Correct Answer:- Option-A
Question51:-KOH is added to the latex compound as
A:-Emulsions
B:-Dispersion
C:-Suspension