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
Steel is an alloy of iron and carbon. How much is the maximum quantity of carbon
content in steel ?
A) 1.5% B) 2.5%
C) 3.5% D) 2.75%
What is meant by creep ?
A) Property of breaking material without much permanent deformation
B
) Failure of a material caused under repeated or fluctuating loads
) The resistance of a material to elastic deformation
) TI
८
he slow and continuous deformation of a material under steady load
What is the melting point of lead ?
426°C B) 396°C
326°C D) 512°C
Which of the following is an Aluminium alloy ?
Gun metal B) Y-Alloy
Bell metal D) Nickel silver
Which of the following is not the property of zinc ?
A) It resists corrosion B) Good conductor of heat and electricity
C) It melt at 231.5°C D) It is a bluish white metal
Which of the following is measure of stiffness ?
A) Modulus of elasticity B) Modulus of plasticity
C) Resilience D) Toughness
What is the composition of Brass ?
Copper and zinc B) Copper and tin
Zinc and tin D) Copper and nickel
Which of the following material has the maximum ductility ?
Zinc B) Mild steel
Aluminium D) Copper