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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR INSTRUCTOR ARITHMETIC CUM DRAWING' And exam conducted in the year 2017. And Question paper code was '118/2017'. 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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Melting point of Iron is :
(ಹ) 1538°C (B) 2050-0 (©) 1538°F (D) 2050
Specific gravity of mercury is :
(ಹಿ) 1.36 துணி (B) 13.6 g/cm? (© 1 قس/ع (2) 25 துண்
Eddy current loss in a transformer is reduced by :
(5) using thick wires (8) using material with low hysteresis loss
(ಲ) having a laminated core (D) using iron core
The resistance and tolerance of a yellow, violet, red coded resistor respectively are :
(ಹಿ) 67 ಓಣ, 170% ൫ 471൭ 10% )© 47kQ, 20% (D) 471൭, 20%
If an element of atomic number 15 has an isotope of mass number 32 :
(മ) The number of neutrons in the nucleus is 17
(8 The number of neutrons in the nucleus is 15
(9) The number of protons in the nucleus is 17
(D) The number of nucleons in the nucleus is 15
The impurity atoms with which a pure silicon be doped to make a p-type semiconductor is :
(5) Aluminium (8) Arsenic (9 காய்களை (D) Germanium
The range of frequencies allotted for FM radios is :
(ಹಿ) 8810108 10೫2 (B) 8810108 MHz (C) 4700230108 (D) 47 to 230 MHz
The sound produced by a tuning fork is ௨:
(A) analog signal (B) digital signal
(೮) both (A) and (B) (D) علوم signal
The graph of the equation y=5x2+2is a :
(ಹ) Hyperbola (B) Line (0 Circle (D) Parabola
118/2017 12 A