Kerala PSC Previous Years Question Paper & Answer
Page:2
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.
Acless than atmospheric pressure
Be-more than atmospheric pressure
Comore than the liquid vapour pressure
ಔ:1655 than the liquid vapour pressure
Correct Answer: Option-D
Question8:-Choose the correct values of fanning friction factor f:
Through a galvanized iron pipe (k/D = 0.0005) water flows with a Reynolds number of 100 and through another pipe of same diameter and roughness, water flows with a Reynolds
number of 10". The f values are
೩0.026 and 0,045
B:-0.016 and 0.0045
60.16 and 0.045
D:-0.16 and 0.0045
Correct Answer: Option-D
Question9:-Match the following
॥ ॥
९ Globe valve 1. Unidirectional flow
0. Gate valve 2. Protect pump from excessive pressure
R. Relief valve 3. Quick open
5. Check valve 4, Flow control
കേ 62, 5.2
8:73, 0-4, ൫2.5൨.
رمم 0-2, 83,52,
0:83,04 RL, 5-2
Correct Answer:- ೦೧000
Question10::Which of the following combination of the flow patter can be observed in an open turbine ?
ಸಿಂಹ only
B:-Radial only
1104ರ flow
DRadial and axial
Correct Answer:- Option-D
Question11:-The terminal settling velocity of a spherical particle in gravitational settling under Stoke's law regime
‘AcNaries linearly with the particle diameter
B:-Varies linearly with the fluid viscosity
ட்ட directly with the square particle diameter
Varies inversely with the particle density
Correct Answer: Option-C
Question12:-Bond's crushing law states that, the work required to form a product of specified size from a very large size feed is proportional to
‘Acssquare root of surface to volume ratio of product
B:-square root of surface to volume ratio of feed
೦-೨08/5 of surface to volume ratio of product
D-square of surface to volume ratio of feed
Correct Answer:- ೦೧000
Question13::Which of the following is most suitable for transportation of sticky material ?
‘AcBelt conveyor
B:-Chain conveyor
۷و کن conveyor
D:-Apron conveyor
Correct Answer: Option-C
Question14:-Match the following
0 0
۶۱ Attrition 1. Gyratory crusher
Q. Attrition and impact 2. Fluid energy mill
ந Compression 3. Blake Jaw crusher
5. Compression and impact 4. Ball mill
AvP-4,Q-2, ९.1, 5-3