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 ' Junior Instructor(Technician Power Electronics System-TPES)' And exam conducted in the year 2023. And Question paper code was '125/2023'. 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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Which of the following statements related to Servo motor is incorrect ?
A) Provides high levels of torque at highspeed
B
0
D
It is inexpensive and widely available
)
)
) Servo motor can work in AC or DC
) It can be operated at 80-90% efficiency
Large number of narrow slots in stator of an AC motor is preferred because
A) It carries to make narrow slots than wide open slots
B) Large number of narrow slots reduces motor noise
C) Large number of narrow slots reduces noise and tooth pulsation losses
D) It helps in uniform distribution of flux
Armature voltage control of DC motor will provide
A) Constant current drive B) Constant voltage drive
C) Constant torque drive D) Constant hp drive
Which actuator does not need any external power source ?
A) Three phase motor B) Solenoid valve
C) Wax motor D) BO motor
Which valve should be used if there is a need of fluid to flow in 4 direction ?
A) Spool valve B) Shuttle valve
C) Check valve D) Rubber valve
The small section of fibre which is coupled to the optical source is known as
A) Fly lead B) Pigtail
C) Both A) and B) D) None of the above
Which is a Electro pneumatic device ?
A) Seven Segment display B) BO Motor
C) Hydraulic cylinder D) Lithium battery
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