Page:11
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'MECHANIC GR II STATE FARMING CORPORATION OF KERALA LTD' And exam conducted in the year 2017. And Question paper code was '108/2017'. 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.
O O 108/2017
69.
70.
71.
72.
73.
74.
75.
76.
77.
The air standard efficiency of an Otto cycle compared to diesel cycle for the given
compression ratio is
A} More B) Same
C) Less D) Unpredictable
If the intake air temperature of IC engine increases, its efficiency will
A) Unpredictable B) Remains same
C) Depend on other factors D) Decrease
An important characteristic of vapour absorption refrigeration system is
A) Noisy operation B) Cool below 0°C
C) Quiet operation D) Very little power consumption
Micro motion study involves following number of fundamental hand motions.
A} 8 numbers B) 16 numbers
C) 24 numbers D) 20 numbers
If the radius of the wire stretched by a load is doubled, then its Young’s modulus will be
A) Doubled B) Halved
C) Remain unaffected D) Become four times
Hooke’s law states that stress is directly proportional to strain up to
A} Limit of proportionality B} Yield point
C) Elastic limit D) Breaking point
The unit of Young’s modulus is
A) kg/cm 8) N-m
0) kg-m D) kglem?
The property of the material which enables it to resist fracture due to high impact load
is known as
A) Toughness B) Resilience
© Strength D) Endurance
Electri furnaces usually operate up to a temperature of
കു 1000% 8) 22000
0 06 D) 5000°C
-11-