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 'DRAFTSMAN POLICE TELECOMMUNICAION UNIT' And exam conducted in the year 2015. And Question paper code was '104/2015'. 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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The material used for making brush in a D.C. Machine :
(^) Bakelite ' (8) Copper
(©) Iead (D) Carbon
The height of a switch board to be fixed in domestic wiring :
(ಗ) 2 meters (8) 1.5 meters
(C) 1 meter (D) 1.75 meters
The maximum number of lighting points in a circuit is :
(ക) 8 points (B) 6 points
(C) 10 points (D) 5 points
Which of the material is used for making transformer core ?
(५) 1 (8) Castiron
)© Aluminium (D) Silicon steel
The.speed of a synchronous motor is :
(4) Constant (8) Variable
(C) Absolutely constant യ 1500 r.p.m
The type of oil used in transformer :
(A) ' Mineral oil (B) Vegetable oil
(C) Synthetic oil (D) SERVO 40
A synchronous motor with 8 poles and 50 c/s frequency will run at :
(ಗ) 1440 r.p.m (B) 1550 r.p.m
(C) 4000 r.p.m (D) 750 r.p.m
Current flowing through a resistance depends on :
(4) Only applied voltage
(B) Only value of resistance
(മ Both value of resistance and applied voltage
(D) None of the above
Power factor of an a.c circuit equals :
(ക) Cosine of phase angle (B) Unity for reactive circuit
(0) Zero for resistive circuit (D) Tangent of phase angle
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