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 'Tradesman (Diesel Mechanic)' And exam conducted in the year 2023. And Question paper code was '074/2023'. 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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074/23
Which type of nut protect the bolt end thread from damages ?
A) Castle nut B) Cap nut
C) Swan nut D) Hexagonal nut
Which type of machine screws are used in heavy duty assembly work ?
A) Hexagonal screw B) Cheese head screw
C) Pan head screw D) Round head screw
What is the use of the centre screw provided in the die stock ?
A) To adjust the diameter of the external thread
B) To adjust the internal diameter of the internal thread
C) To adjust the depth of cut
D) To tighten the die
Which property of oil that controls the flow in hydraulic system ?
A) Pour point B) Oilness
C) Flash point D) Viscosity
Which type of tap wrench is more useful to work in restricted place and is used with
single hand only ?
A) Solid type tap wrench B) Box type tap wrench
C) Bar type tap wrench D) T-Handle tap wrench
Which device is used for converting pressure energy of compressed air to mechanical
energy in pneumatics ?
A) Pneumatic actuators B) Pneumatic valves
C) Filters D) Pressure regulators
What is the taper angle of commonly used intermediate (second) tap ?
A) 5 Degree B) 15 Degree
C) 10 Degree D) 20 Degree
What is the term used for calling interlocked air bubbles and pockets in the hydraulic
pipe line and components ?
A) Vapour pressure B) Static pressure
C) Cavitation D) Vacuum pressure