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 'Pump Operator ' And exam conducted in the year 2023. And Question paper code was '023/2023/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.
Question19:-What are the three factors essential to make a simple electric circuit ?
A:-Switch, Voltage, Fuse
B:-Current, Fuse, Conductor
C:-EMF, Current, Resistance
D:-P.D, Quantity of Electricity, Resistance
Correct Answer:- Option-C
Question20:-In shunt type ohmmeter a spring-loaded push button type switch is provided to
A:-To avoid draining of the battery during storage
B:-Switch ON and Switch Off the meter
C:-To adjust zero position of the pointer
D:-To maintain the accuracy of the measurement reading
Correct Answer:- Option-A
Question21:-60 resistor of 2 nos are connected in parallel across 12 V supply, calculate the branch circuit current.
Correct Answer:- Option-D
Question22:-What is the value of the resistor; if the colour code is Orange, Orange, Red, Silver ?
A:-330 + 5%
B:-3300 + 10%
C:-33000 + 2%
D:-330000 + 10%
Correct Answer:- Option-B
Question23:-The process, in which the tip of the soldering iron is coated with the solder is known as
A:-Surface soldering
B:-Applying the solder
C:-Wetting of soldering
D:-Tinning of soldering iron
Correct Answer:- Option-D
Question24:-What is the purpose of system earthing ?
A:-To maintain the ground at zero reference potential
B:-To maintain the safety of appliance under over voltage
C:-To maintain and protect the motor when short circuit
D:-To maintain the safety of human from electric shock
Correct Answer:- Option-A
Question25:-Which device is used for short circuit protection in the thermal magnetic MCB ?
A:-Arc chamber
B:-Trip lever
C:-Switching dolly
D:-Bimetallic strip
Correct Answer:- Option-D
Question26:-What is the capacitance of a capacitor that requires 0.8 coulomb to charge it 10 32 рек?
A:-0.25 Farad
.002 Farad
C:-0.025 Farad
D:-0.0025 Farad
Correct Answer:- Option-C
Question27:-Why the rotor current flows only in rotor bars, not in rotor cores ?
A:-Due to low resistance of core
B:-Due to low resistance of rotor bar
C:-Due to high resistance of core
D:-Due to high resistance of rotor bar
Correct Answer:- Option-B
Question28:-How the spark at commutator can be reduced in a DC generator ?
A:-By shifting the brushes to any position
B:-By shifting the brushes from MNA to GNA
C:-By shifting the brushes from GNA to MNA
D:-By shifting the brushes to horizontal position