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: 1 out of 14
Excerpt of Question Code: 67/2022/OL


Question Paper 6०८९; 67/2022/0L
Category Code: 292/2020

Exam: Instructor Grade 11೧ Chemical Engineering (Engineering Colleges)
Date of Test 17-08-2022

Department Technical Education

Alphacode A

QuestionL:-The pressure drop in pumping water at 30°C (viscosity = 1 29) through a pipe of 5 cm diameter through a distance of 100 m at a velocity 0.002 m/s is
‏وم 256ھ‎
8:-25.6 Pa
C256 Pa
0.256 Pa
Correct Answer:- ೦೧000
Question2:-If the pressure measurement in a vessel gives a reading of 690 mm Hg, where the barometer reads 755 mm Hg, the pressure reading is reported as
‘8-690 mm Hg vacuum
‏70ھ‎ mm Hg vacuum
೦-5 mm Hg vacuum
0.65 mm Hg vacuum
Correct Answer:- Option-D

Question3:-An inclined manometer is used to measure the pressure difference AP between fluids A and 8. The angle of inclination of the manometric tube with the horizontal is @. The
length of inclined column showing the difference in pressure between the two limbs is R. If ‏ہم‎ and ‏وم‎ are the densities of A and 8, AP = P, - Py is given by,

قزمم ‎ಹಗ,‏
‏وروم درم ® ‎BER sin‏
‎(பாலச‏ قوم هيت
فقوم ديص 9 ‎tan‏ 5:8

Correct Answer: 8

iscosity) is flowing through a pipe of diameter D with a velocity v. If AP is the pressure drop across a length of pipe ‏ا‎ for laminar flow,

‘Question4:-A Newtonian liquid (9 = Density,
AP is proportional to



Correct Answer: ೦00೦೧,

QuestionS:-Liquid A flows through a pipe under laminar flow. Liquid 8 flows through another pipe of same diameter Under turbulent flow. The average flow velocity for turbulent flow is
0.86 times the centre line velocity. For having equal volumetric flow rates, the ratio of maximum velocities, Vu. ५07... ७ ‏کا‎

Correct Answer: Option-C

Question6:-Match the following
1 0

J. Ideal fluid P. Velocity profile flattens
K Turbulent flow 0. Flow in layers
1. Laminar flow R. Velocity profile developing
M, Entrance length 5. Potential flow

Correct Answer: Option-C

Question7:-In a centrifugal pump, cavitation occurs when the pressure at the impeller eye becomes

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