Kerala PSC Previous Years Question Paper & Answer
Page:1
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Jr Instructor (Mechanic Consumer Electronic Appliances) Industrial Training Dept (CAT NO 595/2017)' And exam conducted in the year 2019. And Question paper code was '062/2019/OL'. 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.
PROVISIONAL ANSWER KEY
Question Paper Code: 62/2019/0L
Category Code: 595/2017
Exam: Jr Instructor (Mechanic Consumer Electronic
Appliances)
Medium of Question: English
Date of Test 11-12-2019
Department Industrial Training
Alphacode A
Question1:-The capacity of a battery is expressed in
A:-Amperes
B:-Ampere-hour
C:-Watts
D:-Watt-hour
Correct Answer:- Option-B
Question2:-Speed of a universal motor is
A:-Dependent on frequency of supply
B:-Proportional to frequency of supply
C:-Independent of frequency of supply
D:-None of these
Correct Answer:- Option-C
Question3:-A cylindrical wire നട meter in length has a resistance of 1000. What would be the resistance of wire made from
the same material if both the length and cross-sectional area are doubled?
00ھ 17+
B:-400 ohm
C:-100 ohm
D:-50 ohm
Correct Answer:- Option-C
Question4:-Semi conductor have ____temperature Co-efficient
കമലാ
B:-Positive
C:-Negative
D:-None of these
Correct Answer:- Option-C
Question5:-Power factor of a R-L-C parallel circuit is
A:-zero
Correct Answer:- Option-D
0५६5006: damping method is common in moving coil instrument
A:-Eddy current
B:-Fluid
C:-Air
D:-Spring
Correct Answer:- Option-A
Question7:-An auto-transformer consists of 200 tums. Winding is connected to 200V AC supply main for getting 24V
output. The winding should be tapped at ____tums number
2ھ
B:-24
C:-100
0:-72
Correct Answer:- Option-B
Question8:-a six pole induction motor is connected to 50 ¢/s supply. It is running at 970 mpm. Find the percentage of slip
2:-30%