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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TRADE INSTRUCTOR GR II TOOL AND DIE MAKING TECHNICAL EDUCATION' And exam conducted in the year 2015. And Question paper code was '043/2015'. 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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On a metric Vernier Caliper 1 main scale division is 0.5 mm. 24 main scale divisions १२७
divided into 25 divisions on the vernier. Its least count is ;
(^) 11171 (1) 0.02 गा
(C) 0.005 पणा (D) 0.01 mm
On a plaining machine :
(^) The cutting tool reciprocates (8) The work piece reciprocates
(€) Tool ೧೫ work reciprocates (D) All the above
Usually curting fluid is npt used for machining ادت 7ہع Iron because :
(५) 1६15 8 very soft metal (B) Presence of free graphite
(0 Presence of Cementite (D) Toreduce cost
Guide ways of Lathe beds are hardened by :
(4) Pack carburizing (B) Cyaniding
(C) Flame hardening (D) None of the above
In heat treatment quenching is done :
(५) To reduce hardness (8) To remove internal stresses
(€) To Increase hardness (2) To refine grain
In a single start thread lead is equal to :
(ಗ) Pitch (B) Half the pitch
)0 Double the pitch (7) None of the above
The number of teeth on a driving gear and driven gear are 30 and 60 respectively. If the rpm
of the driving gear is 100 then rpm of driven gear is:
(ல 200 (ए) 30 + 60
(ಲ) 50 (D) 30+ 0
43/2015 6 A