Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'WORKSHOP INSTRUCTOR/INSTUCTOR GARDE II/DEMONSTRATOR/DRAFTSMAN GR II ELECTRICAL ENGINEERING TED' And exam conducted in the year 2014. And Question paper code was '203/2014'. 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.
10.
11,
38,
13,
14,
A UJT contains :
(A) four pn junctions (18) three pn junctions
(C) two pn junctions (D) . one pn junction
The ripple factor of a power supply 18 a measure of :
(ಸಿ) ite voltage regulation (7) its diode rating
(C) purity of power output - (D) 155 علق efficiency
The synchronous speed for a 3 phase 6-pole induction motor is 1200 rpm. If the number of
poles is now reduced to 4 with the frequency remaining constant, the rotor speed with a slip
of 5% will be :
(^) 1690 rpm (B) 1750 rpm
(C) 1500 rpm (0) 1710 rpm
A device whose characteristics are very close to (वां: of an ideal voltage source is :
(50 a vaccum diode (B) aDIAC
(0 a zener diode (D) aFET
When converting 7,000 nA to microamperes, ४९ result is :
ക 0007 24 (0) 07 ೬
(0) 700 க் M 7/೬
The ‘sheath’ is used in cable to :
(4) provide strength to the cable
(B) provide proper insulation
{C) prevent the moisture from entering the cable
(D) avoid chances of rust an strands
When the speed at which a conductor is moved through a magnetic field is increased, the
induced voltage?
(५) increases (11) decreases
(C) remains constant (12) reaches zero
The induced voltage across a coil with 250 turns that is located in a magnetic field that is
changing at a rate of 8 Whis is :
(ல 1000V (B) 2000V
(C) 31.25 भ (1) 3123V
203/2014 4 : A
