Kerala PSC Previous Years Question Paper & Answer
Page:5
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Instructor Grade I in Chemical Engineering (Engineering Colleges) - Technical Education' And exam conducted in the year 2022. And Question paper code was '67/2022/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.
C:-Naphthenes
D-Paraffins
Correct Answer:- Option-D
Question31:-In petroleum refining operations, the process used for converting paraffins and naphthenes to aromatics is
AcAlkylation
B:-Hydrocracking
C=Catalytic reforming
D:-Hydrotreating
Correct Answer: Option-C
Question32:-The octane number decreases in the order
‘Ac Naphthenes > Aromatics > Isoparaffins > Olefins > n-paraffins
B:-Olefins > Isoparaffins > Aromatics > Naphthenes > n-paraffins
C-lsoparaffins > Olefins > Naphthenes > Aromatics > பபப
D:-Aromatics > Isoparaffins > Naphthenes > Olefins > n-paraffins
Correct Answer:- Option-D
Question33:-Hydrotreating is used for
‘Acimproving octane number of gasoline
B:-Removing sulphur and nitrogen from petroleum fractions
C-Removing water from crude oil
D-Improving cetane number of diese!
Correct Answer: Option ®
Question34::Which nuclear fuel is found abundantly in nature 7
‘Ac Uranium
B:Thorium
C=Plutonium
Ds-Radium
Correct Answer:- ೦೧000
Question35::Which of the two nuclear fuels are produced artificially 7
ക്
BP and ا
ച്
ഉച്
Correct Answer: Option-D
‘Question36::What is ocean thermal energy conversion 7
‘A:-Hamessing the temperature differences between surface waters and deep ocean waters
B:-Hamessing the temperature differences between the coastal waters and deep ocean waters,
C:Hamessing the heat energy from the underwater volcanoes
D:-Hamessing the heat energy from the tides in ocean
Correct Answer: Option:
Question37::Which is the correct sequence in formation of coal 7
A:Wood-lignite-+peat-rbituminous coal
B:-Lignite+peat-ranthracite-rbituminous coal
C:-Wood-+peat-lignite-sbituminous coal
D:-Lignite+anthracite-speatbituminous coal
Correct Answer: Option-C
Question38:
B:-Peat, lignite, anthracite coal, bituminous coal
111006, lignite, bituminous coal, anthracite coal