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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TRADESMAN ELECTROPLATING TECHNICAL EDUCATION' And exam conducted in the year 2015. And Question paper code was '093/2015'. 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.
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A
Radio carbon dating technique is used to estimate the age of :
(५) Rocks 18 Monumerits
(C) لاه (D) ೫೦8808
One nanometer is equal to :
(5) 107 9 10
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Which of the following cantains the least percentage of carbon?
(4) Pigiron (B} Wrought iron
{C) Castiron () Malleable iron
The material used for coating the welding electrode is termed as ;
(^) Flux (B) Slag
(() Protective layer (D) Binder
Chlorine acts as a bleaching agent only in the presence of :
(५) Dry air (18) Pure oxygen
(¢) Moisture (D) Sun light
Which is the only metal that exist in liquid state at room temperature?
(4) Sodium (ए) Lithium
(6) Strontium (0) Mercury
The refrigerant Freon-12 is chemically :
(४) ೧೮೫ ത മേ
ര 3, യു ലേ
Heat flux is the time rate of heat transfer per unit :
(५) Length 18) Volume
(ಲ) Area (7) None of these
The most efficient cooling tower out of the following is :
(4) Atmospherie (B) Forced draft
(C) Natural draft (D) Induced draft
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