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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Workshop Instructor/ Demonstrator in Automobile Engineering' And exam conducted in the year 2023. And Question paper code was '091/2023'. 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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The ability of a material to resist fracture due to shock and impact load.
A) Stiffness B) Toughness C) Brittleness D) Strength
~ Gama iron is stable in the temperature range of
A) 405°C to 610°C B) 610°C to 910°C
C) 910°C to 1403°C 0) 1408°C to1535°C
. Within elastic limit in a loaded material stress is
A) Directly proportional to strain B) Inversely proportional to strain
C) Equal to strain D) None of the above
The ratio of ultimate tensile stress to the working stress is called
A) Bulk modulus B) Poisson’s ratio
C) Factor of Safety D) Modulus of rigidity
Newton’s law of viscosity relates
A) Stress and strain in a fluid
B) Pressure, velocity and viscosity
C) Shear stress and angular deformation in a fluid
D) Shear stress, temperature, velocity and viscosity
A fluid which is incompressible and having no viscosity is known as
A) Ideal fluid B) Real fluid
C) Newtonian fluid D) Ideal plastic fluid
A piezometer tube is used only for measuring of liquids.
A) Low pressure B) Moderate pressure
C) High pressure D) Vacuum pressure
Bernoulli's equation is applied to
A) Venturi meter B) Orifice meter C) Pitot tube D) All of these
The pump suitable for small discharge and higher heads
A) Centrifugal pump B) Axial flow pump
C) Reciprocating pump D) Mixed flow pump
The delivery valve of a centrifugal pump is fully closed, the pressure of fluid inside
the pump will
A) Increase B) Reduce
C) Become zero D) Remain unaltered