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 ' Junior Instructor (Mechanic Auto Electrical and Electronics) ' And exam conducted in the year 2023. And Question paper code was '002/2023'. 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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Venturimeter is a device used to measure the
A) Velocity of fluid B) Pressure of fluid
C) Rate of flow of fluid D) Viscosity of fluid
Newton's law of viscosity states that
A) Shear stress is directly proportional to the velocity
B) Shear stress is directly proportional to velocity gradient
C) Shear stress is directly proportional to shear strain
D) Shear stress is directly proportional to the viscosity
Which one of the following is a type of actuator in a hydraulic system ?
A) Pump B) Valve C) Strainer D) Cylinder
The power source in Pneumatic system is
A) Air receiver B) Compressor C) Valve D) Muffler
Which one of the following welding processes uses non-consumable electrodes ?
A) TIG welding B) Mig welding
C) Manual arc welding D) Submerged arc welding
In normalizing, components are cooled
A) Using water B) Using oil C) Instill air D) In furnace
Which among the following is not a type of non-destructive testing ?
A) Compression testing B) Visual testing
C) Ultrasonic testing D) Eddy current testing
Hooke’s law holds good upto
A) Proportional limit B) Yield point
C) Elastic limit D) Plastic limit
Factor of safety is defined as the ratio of
A) Working stress to ultimate stress
B) Breaking stress to ultimate stress
C) Ultimate stress to working stress
D) Ultimate stress to breaking stress
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