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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TRADESMAN CHEMICAL ENGINEERING TECHNICAL EDUCATION QUESTION PAPER' And exam conducted in the year 2017. And Question paper code was '062/2017'. 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.
20. Convert the 50% of methanol water mixture by weight to mole %.
21.
23.
24.
26.
27.
A) 50 mole % B) 36 mole %
C) 64 mole % D) 25 mole %
Density of water at 0° C and at 1 aim pressure
A) 1000 kglem® B) 1000 kg/cm?
C) 1000 kg/m® D) 1000 glem®
Reynolds number is the ratio of
A) Viscous forces to inertial forces
B) Viscous forces to static forces
C) Static forces to viscous forces
D) Inertial forces to viscous forces
Terminal velocity is
A) The varying velocity
©) The initial velocity
C) The highest velocity attainable by an object in free fall
D) The relative velocity
Priming should be done before starting
A) Diaphragm pump B) Reciprocating pump
C) Gearpump D) Centrifugal pump
Torris a unit of
A) Pressure B) Velocity
C) Viscosity D) Density
Average molscular weight of air
A) 79 B) 29 C) 39
Mass number of an atom is the sum of the numbers of
A) Protons and neutrons
B) Protons and electrons
C) Neutrons and slectrons
D) None of the above
062/2017