Kerala PSC Previous Years Question Paper & Answer

Title : Assistant Manager (Chemical) - Kerala Ceramics Limited
Question Code : A

Page:7


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Manager (Chemical) - Kerala Ceramics Limited ' And exam conducted in the year 2022. And Question paper code was '1/2022/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: 7 out of 13
Excerpt of Question Code: 1/2022/OL

മേട
ട്ട
D160 ‏5ا(‎
‎Correct Answer:- ೦೧000
Questiona7:-ina heat exchanger, both fluids flow alternatively through the same flow passages and hence heat transfer is intermittent.
‘AcShell and Tube
B:-Fluidised Bed
Storage Type
D-Cross Flow Type
Correct Answer: Option-C
ಟಟ of the following is not a classification based on construction of the heat exchanger ?
AcTubular
B:-Plate Type
C-Multipass
ப Regenerative
Correct Answer: Option-C
Question49:-Pick out the wrong statement.
‘Asin process heat exchangers, saturated steam is preffered over the superheated steam.

நர maximum is the emissive power of a surface at a temperature 7, occurs at a wavelength of ‏نے‎ . If the surface temperature is halved, the maximum in the emissive power
would occur at a wavelegth of 0.5 A_1

C-When a vertical plate is heated in infinite air environmental under natural convention conditions, the velocity profile in air, normal to the plate, exhibits a maximum,

ए:- body at 925 K emits an energy of 1.42 x 10'' oW/m? (ರ is the Stefan-Boltzman constant) in the wavelength band between 3 ym to 4 Lim. The fraction of this energy in the
total energy emitted over the entire wavelength range is equal to emissivity.

Correct Answer: 8
‘Question50::What is the steam consumption of an evaporator if the evaporator capacity is 30 kg/hr and the steam consumption is 45 kg/hr 7
೩67%
8:70%
‏6ء‎
‎0:-65%
‎Correct Answer: Option:
Question51:-Diffusivity of a binary gas mixture is 2.83 x 107 ‏شور‎ /5 at 300 K. What will be the approximate value for the diffusivity at 600 K 7
കാട
8:5.66 പട
ಗ m/s
D:-1.68x 10°“ /s

Correct Answer: Option-C

Question52:~A pure drug 15 administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass
transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is

A054
8104
೧೩24
0195
டட Option-C
QuestionS3:-Find the HTU, if gas rate is 0.07 0௦1605 and Fg*a (8 type mass transfer co-efficient is 0.06 kmol/cu.ms})
കവണ
8:0.85
0.042
:0.067
Correct Answer:- ೦೧000

QuestionS4:-The solubility curve for highly soluble gas in liquid

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