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 'Operator - Kerala Water Authority' And exam conducted in the year 22. And Question paper code was '008/22'. 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 type of filter helps to protect the pump from fluid contaminations ?
(A) Suction filter (B) Magnetic filter
(C) Absorbent filter (D) Mechanical filter
Which of the following is an insulator ?
(A) Copper (B) Aluminium (C) Silver (D) PVC
Which is a good conductor ?
(^) Silver (B) Iron (C) Steel (D) Aluminium
Which law states that “The current is directly proportional to the voltage and inversely
proportional to the resistance” ?
(^) Ohm’s law ൯) Hook’s law (0) Boyle’s law (D) Newton’s law
What is the material of negative plate in the lead acid battery ?
(A) Antimony (B) Tin (0) Spongy lead (D) Lead peroxide
Which instrument is prohibited to connect with live wire ?
(A) Ammeter (B) Voltmeter (C) Ohm meter (D) Watt meter
Which measuring instrument used to measure the ampere, volt and resistance ?
(A) Watt meter (B) Energy meter (C) Galvano meter (D) Multi meter
What is the unit of potential difference ?
(^) Watt (B) Ampere (C) Ohm (0) Volts
What is the advantage of free maintenance sealed battery ?
(A) No need for check and top up distilled water
(B) No need for recharging the battery
(C) No chance of sulphation of battery terminals
(D) No need of disconnect the terminals to remove battery
Which is a temperature sensitive resistor ?
(^) Diode ൯) Thyristor (0) Thermistor (D) Transistor
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