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 'Dental Equipment Maintenance Technician' And exam conducted in the year 2023. And Question paper code was '220/2023'. 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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A coil has an inductance of 1 Henry, if current changing at the rate of 2A/sec
induces
A) Half a volt in it B) Two volt in it
C) One volt in it D) Two volt in another coil
To convert a simple meter into a voltmeter, the resistor has to be connected in
A) Shunt B) One shunt and one series
C) Series D) Vertical
Which of the following variety of copper has the best conductivity ?
A) Hard drawn copper B) Pure annealed copper
C) Induction hardened copper D) Copper containing traces of silicon
A moving iron instrument can be used for
A) AC only B) Lux meters
C) DC only D) Both AC and DC
Which resistor has negative temperature co-efficient ?
A) Thermistor B) Sensistor C) LDR resistor D) Varistor
The resistance between the opposite faces of a meter cube of a material is
known as
A) Resistance B) Conductance C) Resistivity D) Conductivity
In a capacitor, the electric charge is stored in
A) Both plates and dielectric B) Metal plates
C) Dielectric D) None of the above
Why the ohm meter is graduated with non-linear scale ?
A) Resistance is inversely proportional to the square of current
B) Voltage is directly proportional to resistance
C) Voltage is directly proportional to the square of current
D) Current is inversely proportional to resistance
Which of the following is a ferrous metal ?
A) Copper B) Cast iron
C) Zinc D) Brass