Kerala PSC Previous Years Question Paper & Answer
Page:7
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Tradesman (Wireman)' And exam conducted in the year 2023. And Question paper code was '043/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
Correct Answer Option-A
वि ripple factor of full wave rectifier is
جم
80.48
22
141
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QuestionS7:-An SCR is a
AsNPPN device
B:-PNNP device
C-PNPN device
DPPN device
Correct Answer Option-C
(०८०५५०७8. is also called a
ACurrent controllable device
B:-Transistorized junction device
C+Relaxation oscillator
ರ controllable device
Correct Answer:- Option-D
Question59:-The process of adding impurities to a semi conductor is known as
‘Doping
B:-Polling
॥ 1
Plugging
Correct Answer
भ~ 0०१५
‘Question60 -The control parameter of JFET is
A:Drain voltage
B:-Gate voltage
೧-086 ೮760೭
D:-Source voltage
Correct Answer:- Option-B
‘Question61=-The armature of a DC generator is laminated to
AsReduce eddy current losses
B:-Reduce the bulk
Ce-insulate the core
D:-Provide passage of cooling air
Correct Answer:- OptionA
‘Question62:-The split rings are made of
AsBrass
B:Bronze
CGun metal
Hard drawn copper
Correct Answer:- Option-D
Question63:-The type of winding used in machines having low current and high voltage capacity is
As Wave winding
BrArmature winding
Lap winding
Compensating winding
Correct Answer:- Option A,
Question64:-In DC generators armature reaction Is produced actually by
‘AcArmature conductors
B:-Field current
വോ current in armature
“Field pole winding
Correct Answer:- Option-C
Question65 -The type of generator used for charging battery is