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
Most high-speed C.|. Engines operates on following cycle
A) Dual combustion cycle B) Reverse Carnot cycle
C) Otto cycle D) Diesel cycle
The ratio of the weight of the induced charge and the charge needed to completely
fill at atmospheric pressure and normal temperature in the swept volume
A) Mechanical efficiency B) Volumetric efficiency
C) Thermal efficiency D) Brake efficiency
Compression ratio of an IC Engine refers to
A) ©, =+ ४० 8 یلا لا ےی
۔۷ Vs
9 ی۷ +۷ 0) ۷-۷
Ve Vo
What is the speed ratio of Camshaft to Crankshaft ?
A) Half B) Equal C) Double D) Triple
Which of the following is defined as the escape of burned gases from the combustion
chamber past the pistons in to the crankcase ?
A) Passed gas B) Gas loss C) Blow by D) By pass
The negative plate of a Lead acid battery is
A) PbO, 8) H,SO, C) PbSO, D) Pb
Kilowatt is the unit of
A) Energy B) Power C) Force D) Current
According to Ohm’s Law
A) V=IR B) |=R/V C) V=RI/l 0( ٢ ۷
Cut out relay is not required for
A) Dynamo B) Alternator C) Regulator D) Diode
The specific gravity of fully charged battery is
A) 1.100 B) 1.200 C) 1.280 D) 1.170
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