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 'Demonstrator in Electronics and Instrumentation & Demonstrator in Instrument Technology' And exam conducted in the year 2022. And Question paper code was '129/2022'. 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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129/22
Displacer type level detector works on
A) Pascals Law B) Archimedes principle
C) Bernoulli's principle D) None of the above
For non contact method of level measurement which one of the following is most
suited ?
A) Float type level measurement
B) Displacer level measurement
C) Capacitive level measurement
D) Radiation level measurement
Which one of the following is not a direct level measuring method ?
A) Hook-type level measuring instrument
B) Sight Glass
C) Float type indicator
D) Capacitive level measurement
40°C =
A) 98°F B) 110°F C) 104°F D) 108°F
Which one of the following is suitable for non contact temperature measurement ?
A) Thermocouple B) RTD
C) Radiation Pyrometer D) Thermistor
The conductor commonly used for the construction of RTD
A) Copper B) Platinum
C) Silver D) Aluminum
In electromagnetic flow meters induced voltage is
A) Directly proportional to flow velocity
B) Proportional to the square of flow velocity
C) Inversely proportional to flow velocity
D) Proportional to the square root of flow velocity
Cylinder and Piston type flow meter is a
A) Variable area flow meter B) Magnetic flow meter
C) Differential pressure flow meter D) Thermal flow meter
“Stokes” is the unit of
A) Density B) Kinematic Viscosity
C) Humidity D) Absolute Viscosity
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