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 'VOCATIONAL INSTRUCTOR IN REFRIGERATION AND AIR CONDITIONING VHSE' And exam conducted in the year 2016. And Question paper code was '090/2016'. 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.
45.
46.
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80,
51.
Which pair of gears usually has high friction losses?
(ಗ)
(0)
Spur gears (B) Bevel gears
Helical gears (D) Worm and worm wheels
Which is not the effect of detonation?
@A)
©
high operating temperature (B) loss in efficiency and power output
loud and pulsating noise (D) high local stresses
A thermodynamic 8180021 01018 10:
@)
08)
0
0)
any defined region in space
a specified mass in fluid flow
a specified region of constant volume
a prescribed and identifiable quantity of matter
Identify the wrong statement :
(ಸ)
®)
(0)
യു
the laws of thermodynamies cannot be derived mathematically
the quantity of matter constituting a system remains constant
the kinetic and potential energies possessed by a system can be converted into
heat
the system and 118 surroundings taken together constitute an isolated system
Poise is the unit of :
ல்
©
density (B) velocity gradient
kinematic viscosity (D) dynamic viscosity
Capillary action is due to :
കര
(B)
(0)
D)
adhesion of liquid particles to a surface
cohesion of liquid particles
cohesion and adhesion
surface tension
Bernoulli’'s equation is applicable between any two points in :
(4)
രു
(0)
D)
rotational flow of an incompressible fluid
irrotational flow of compressible or incompressible fluid
steady rotational flow of an incompressible fluid
steady, irrotational flow of an incompressible fluid
090/2016 8
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