Kerala PSC Previous Years Question Paper & Answer

Title : Instructor Grade I in Chemical Engineering (Engineering Colleges) - Technical Education
Question Code : A


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.

page: 6 out of 14
Excerpt of Question Code: 67/2022/OL

०८००५ ignite, anthracite coal, bituminous coal
Correct Answer: Option-C
Question39:-Select the incorrect statement regarding solar energy.
കടില energy is cheap, safe and renewable.
B:-Solar photo voltaic cells are suitable electrical energy source for remote locations.
Solar photo voltaic cells are reliable and offers long life.
D:-Solar photo voltaic cells provide continuous supply of electricity
Correct Answer:- Option-D
Question40::Which among the following is not potential geothermal power station in India 7
A Puga
படட பப

Question41:-Heat transfer by conduction occurs through a slab of thickness 10 cm having thermal conductivity 1W/mk. If area perpendicular to direction of heat transfer is 1 m* ,
conduction resistance in this slab is

8:02 KW

0.01 KW

0:೩0 KAW

Correct Answer: Option ®

‘Question42:-For steady conduction heat transfer through a composite wall consisting of material A and material 8, the total temperature drop is AT and total resistance to heat transfer
is R If individual temperature drops are 87, and AT, and resistance are R, ani ۸ respectively for material A and 8, pick out the correct expression

AT 874 _ 878
R Ra Rp

AT 474 , 478

R Ra Rp
AT 474 . ATR
= x
۵ மாட. 8
० ९ Ra RB

Correct Answer:- ೦೧000
Question43:-A spherical container is provided with an insulation to reduce heat loss. On increasing the thickness ofthis insulation layer, heat loss
‘Ac Reduces
೦17೦792585 and then reduces
Depends on the critical thickness of insulation
Correct Answer:- Option-D
Question44:-Heat transfer apparatus are mostly (except cryogenic liquids) designed in such a way that the temperature drop in the film of boiling liquid is
‘Ac More than critical temperature drop
B:-Same as critical temperature drop
വട than critical temperature drop
D-Both (A) and (8)
Correct Answer: Option-C

Question45:-Inside and outside heat transfer coefficients for a fluid flowing through a tube are respectively 400 W/m"K and 100 ‏موزللا‎ If the tube material possesses very high thermal
conductivity, overall heat transfer coefficient is

2६-80 ۴

8:300 ٣۴

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Instructor Grade I in Chemical Engineering (Engineering Colleges) - Technical Education : Video