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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'DEMONSTRATOR IN TOOL AND DIE ENGINEERING TECHNICAL EDUCATION DEPARTMENT' And exam conducted in the year 2014. And Question paper code was '093/2014'. 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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When light ray travels from one medium to another which of the following parameter does
not change?
(ಗ) Wavelength (B) Frequency
(Cy Velocity (2) Refractive index of medium
Kirchhoff's second law for an electrical circuit refers to :
(^) Power (B) Current
(0 Voltage (D) Energy
Principle behind the functioning of optical fiber is :
(A) FWHM (B) USB
(C) PWM (D) TIR
Choose the relation between electric field and potential from the following :
(A) V=Ed B E=Vvd
(0 7-2 (7) None of the above
Which of the following mirrors are used as rear view mirrors?
(4) Plane mirror (3) Concave mirror
(0) Plane concave mirror (D) Convex mirror
The symbol of the element Potassium is :
(ಬ P ® K
(3 ೫0 (D) Na
Which of the following statement is true for an Acid?
(A) Acid turns red litmus blue
(18) Acid has bitter taste
(0) Acid turns blue litmus red
(0) Acid produces hydroxide ions when dissolved in water
The oxidation number of Manganese in Potassium permanganate is :
@ +1 രു +4
0) 0 @) +7
Which of the following compound eause temporary hardness of water?
(ക Calcium Chloride (B) Magnesium Carbonate
(€) Magnesium Bicarbonate (D) Calcium Sulphate
93/2014 6 A