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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220/23
What is the unit of heat in SI system ?
A) Calorie B) Joule C) Ampere D) Hertz
The mode of heat transfer which doesn’t require a medium is
A) Radiation B) Conduction C) Convection D) Friction
The SI unit of pressure is
A) Erg B) Watt C) Pascal D) Newton
In Fahrenheit scale, the boiling point is fixed at
A) 25°F B) 100°F
C) 200°F D) 212°F
The pressure measured greater than atmospheric pressure is called
A) Vacuum pressure B) Gauge pressure
C) Absolute pressure D) Atmospheric pressure
The temperature range of oxy-acetylene flame is
A) 1825°C to 1875°C B) 2400°C to 2700°C
C) 2700°C to 2800°C D) 3100°C to 3300°C
The instrument used to measure very high temperature of furnace is
A) Thermometer B) Pyrometer
C) Barometer D) Technometer
The metal joining process in which the work-pieces are not heated is called
A) Brazing B) Welding
C) Dip brazing D) Soldering
The most active soldering flux group is
A) Inorganic fluxes B) Resin fluxes
C) Organic fluxes D) Both B) and C)
Which type of oxy-acetylene gas flame is widely used for welding mild steel material ?
A) Oxidising flame B) Neutral flame
C) Carburising flame D) All of the above