Page:7
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.
0622017 ااا ااا الام
37.
38.
39.
40.
41.
42.
43.
44.
45.
46.
Nano is equal to
(م 8) 100 0) 1071 0) 105
Litmus paper
ಹಿ) Gives a spsctrum of colours to acid conditions
B) Tums blue under acid conditions
C) Tums red under alkaline conditions
D) Tums blue under alkaline conditions
The main constituent of liquified natural gas is
A) Propane B) Butane C) Methane D) Ethane
Visbreaking produces
A) High octane number gasoline 8) 68 ലി of lower viscosity
C) High cetane number diesel D) More quantity of aviation oil
Catalyst used in catalytic reforming
A) Platinum B) Nickel C) Iron D) Chromium
Biuret formation is in the manufacture of
A) Cement B) Paint C) Ceramics D) Urea
Instrument which may be used for measuring small differences in pressure is
A) Inclined manometer B) U-tube manometer
C) Bourdon gauge D) Barometer
Amount of moisture in air is determined by
A) Hydrometer B) Polarimeter
C) Hygrometer D) Refractometer
Oleum gives the fumes of
A) Sulphuric acid B) Oleum
C) Sulphur dioxide D) Sulphur trioxide
Emissivity of a black body is
A) Zero B) Infinity
C) One D) None of the above
नो