Kerala PSC Previous Years Question Paper & Answer

Title : VOCATIONAL TEACHER MAINTENANCE AND REPAIRS OF DOMESTIC APPLIANCES VHSE
Question Code : A

Page:8


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'VOCATIONAL TEACHER MAINTENANCE AND REPAIRS OF DOMESTIC APPLIANCES VHSE' And exam conducted in the year 2015. And Question paper code was '225/2015'. 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.

page: 8 out of 12
Excerpt of Question Code: 225/2015

87.

58.

59.

60.

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62,

63.

64.

1f the inductance of a series circuit is increased, its resonance frequency :
(A) increases (B) decreases

(0 remains the same (D) is determined by the resistance

In a balanced delta ೧೧೫76006 3 phase system, line currents lags the phase currents ‏ترط‎ :
வா (8) 30°
(©) 90 യ) 15205

1f there are n nodes in a circuit, then the number of equations needed to solve the network
using nodal analysis is :

(^) n+l B n
(09 n-1 D) ௩-2

The power dissipation in each of 4 parallel branch of a eircuit is 1 W. Total power dissipation
18;

(മു 11% ©0 7

© 8% O 4W

If the length of a given conductor 15 doubled and it's cross section is halved, its resistance
becomes :

(ക 2times (B) 3times

(C) ടറി (D) 4 times

A 60 MW power station has an annual peak load of 50 MW. The annual load factar is 0.45.
Find the average load :

(A) 87 @) 24.75 MW
)© 26 MW (D) 225 MW

¥

Absorption of neutrons in a nuclear reactor is done by :
(ക Moderator (B) Control rods
(0) Reflector (D) Coolant

In a hydroelectric power plant, sudden rise of pressure in the penstock pipe is managed with :
(ಗ) surge tank (B) turbine
(C) spillway (D) draft tube

228/2018 10 A

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