Kerala PSC Previous Years Question Paper & Answer

Title : Lecturer in Automobile Engineering
Question Code :


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Lecturer in Automobile Engineering' And exam conducted in the year 2023. And Question paper code was '105/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.

page: 14 out of 19
Excerpt of Question Code: 105/2023/OL

Correct Answer:- Option-B
Question72:-In a SI engine which statement is not correct about normal combustion
A:-Strong pressure pulsations are not observed
B:-Spark is given before TDC
C:-In the ignition lag phase a self propagating nucleus of flame is formed

D:-At the completion of the after burning phase cylinder pressure reaches its

Correct Answer:- Option-D
Question73:-About diesel knock in Cl Engines which statement is incorrect
A:-Diesel knock is characterised by pressure pulsations
B:-Diesel knock occurs in the initial stages of combustion
C:-Chances of Diesel knock decreases as the ignition delay period increases

D:-Larger ignition delay results in more un-burnt fuel at the start of

Correct Answer:- Option-C

Question74:-Phase of combustion that starts from the state of maximum cylinder
pressure and ends at the point of maximum cylinder temperature in Cl engine
combustion is known as

A:-Period of controlled combustion
B:-Ignition delay period
C:-Period of rapid combustion
D:-Period of after burning
Correct Answer:- Option-A
Question75:-Which is the limitation of supercharging
A:-Mean effective pressure increases
B:-Engine output increases for the same swept volume
C:-Intake air density increases
D:-Mechanical load on the engine components increases
Correct Answer:- Option-D

Question76:-Which is the desirable property of a refrigerant to be used in
automobile air conditioning system

A:-High freezing point temperature
B:-Low value of COP

C:-Low boiling point temperature
D:-Low latent heat value

Correct Answer:- Option-C

Question77:-Match the following
(i) Heat Engines (a) 7161101 1055

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Lecturer in Automobile Engineering : Video