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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR INSTRUCTOR - LABORATORY ASSISTANT - CHEMICAL PLANT' And exam conducted in the year 2016. And Question paper code was '055/2016/OL'. 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.
Correct Answer:- Option-A
Question87:-The kinematic viscosity is the ratio of:
A:-viscosity to the density of the liquid
B:-mass to the density of the liquid
C:-viscosity to the specific weight of the liquid
D:-density to the specific weight of the liquid
Correct Answer:- Option-A
Question88:-Tooth paste shows a
A:-Newtonian
B:-Ideal
C:-Bingham plastic
D:-Pseudo plastic
Correct Answer:- Option-C
Question89:-At critical speed in a ball mill:
A:-centrifugal force = gravitational force
B:-centripetal force = centrifugal force
C:-centrifugal force = pressure force
D:-centripetal force = gravitational force
Correct Answer:- Option-A
Question90:-Fractionating column is divided into two section,one is called as ---
---section
A:-evaporation; condensation
-boiling; cooling
C:-rectifying; stripping
D:-volatile; reflux
Correct Answer:- Option-C
Question91:-The rule of material balance always deals with the equality of ----
A:-moles in and out
B:-volumes in and out
C:-masses in and out
D:-concentrations in and out
Correct Answer:- Option-C
Question92:-The driving force for crystallization is ----
A:-temperature difference
-density difference
-viscosity
D:-super saturation
Correct Answer:- Option-D
Question93:-Pyrometers which react to all wavelengths of incident radiant energy are known as --
A:-polarisng
B:-total radiation
C:-optical
D:-disappearing filament
Correct Answer:- Option-B
Question94:-The major limitation of the first law of Thermodynamics that it doesnot consider:
A:-heat as a form of energy
-rate of change of a process
C:-direction of change
D:-spontaneous process
Correct Answer:- Option-C
Question95:-Fourier’s law states that the rate of heat transfer per unit surface area is proportional to the
= --gradient normal to the surface.
A:-voscosity
B:-temperature
C:-pressure
D:-velocity
Correct Answer:- Option-B
Question96:-If there is a gravitational field acting on a fluid , then at any local region of the fluid the
-type of flow behaviour
---section and other is called as
yrometers
gravitational force per unit volume is the product of acceleration due to gravity and-------