Kerala PSC Previous Years Question Paper & Answer

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

Page:2


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: 2 out of 12
Excerpt of Question Code: 225/2015

10.”

=

12.

13.

14.

15.

16.

Swin Burne's test 18 not suitable for :
(A) shunt motor (8) series motor
(0 shunt generator (D) compound generator

Armature reaction of a synchronous generator at rated voltage zpflag is :
(ಗಿ) Magnetizing '
(B) Cross magnetizing
(©) Demagnetizing
(D) Both demagnetizing and cross magnetizing

The rotor of a 3 phase 4 pole induction motor rotates at 1000 rpm when 50 Hz supply is
connected across stator terminals. Caleulate the frequeney of rotor induced emf :

(A) 32.33 प्ट (ए) 25.67 प्र
(©) 45.5Hz (D) 16.67 Hz

Class AB operation is often used in power amplifiers in order to :
(A) get maximum efficiency (B) remove even harmonics
(C) overcome cross over distortion (D) reduce collector dissipation

The MOSFET switch in its ON state may be considered equivalent to-
(A) resistor (18) inductor
(C) diode (D) capacitor

A relaxation oscillator is one which : 1
(ക) has 2 stable states (B) produces non sinusoidal outputs
{C) relaxes indefinitely (D) oscillates continuously

In a single stage CB amplifier, a smaller load resistance will produce :
(ಗಿ) low voltage gain (B) high current gain
(0 better frequency response (1)) 1128 30108೯0 8817.

A twisted ring counter consists 01 6 11011008, 10 will have :
(A) 6 states (B) 12 states
(© 64 states (D) 128 states

A memory in which the contents get erased, when power failure oceurs :
(A) RAM (B) EAROM
(C) PROM (D) ROM

225/2015 4 A

Similar Question Papers

Ask Question

(Press Ctrl+g to toggle between English and the chosen language)


Questions & Answers

VOCATIONAL TEACHER MAINTENANCE AND REPAIRS OF DOMESTIC APPLIANCES VHSE : Video