Kerala PSC Previous Years Question Paper & Answer
Page:15
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.
(11) Refrigerator (b) Kelvin Planck statement
(iii) Internal Energy (c) Clausius statement
(iv) Reversibility (d) Point function
A:-(i)-(a), (ii)-(b), (iii)-(c), (iv)-(d)
B:-(i)-(b), (ii)-(c), (iii)-(d), (iv)-(a)
C:-(i)-(b), (ii)-(c), (iii)-(a), (iv)-(d)
D:-(i)-(c), (ii)-(b), (iii)-(a), (iv)-(d)
Correct Answer:- Option-B
Question78:-A closed system received heat transfer of 130 KJ and has a work
transfer of 165 KJ. The change of internal energy is
A:-35 KJ
B:--30KJ
C:--35KJ
D:-No change in internal energy
Correct Answer:- Option-C
Question79:-Which of the following relation holds good for adiabatic process
جو سی وو
௦:ஆ-இ] و
Correct Answer:- Option-D
Question80:-lf the compression ratio is same then
A:-Thermal efficiency of Otto cycle is less than that of Diesel cycle
B:-Thermal efficiency of Otto cycle is greater than that of Diesel cycle
C:-There is no effect of compression ratio on thermal efficiency
D:-None of these
Correct Answer:- Option-B
Question81:-An engine can develop power of 5 KW for a heat addition of 375
KJ/min. Highest working temperature of the engine is 935°C and lowest working
temperature is 130°C. For this engine
A:-ncarnot = nengine
B:-ncarnot > nengine
C:-ncarnot < nengine
D:-Engine is feasible
Correct Answer:- Option-B
Question82:-In a two stage reciprocating air compressor work per kg of air
compressed will be minimum if