Kerala PSC Previous Years Question Paper & Answer
Page:6
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Deputy Manager (Production)' And exam conducted in the year 2023. And Question paper code was '161/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
B:-Belt feeders
C:-Apron feeders
D:-Vibrating hoppers
Correct Answer:- Option-D
Question29:-As the distance between the heat source and the object receiving the
heat increases, the rate of heat transfer by radiation
A:-Increases
B:-Increases linearly
C:-Decreases
D:-Remains constant
Correct Answer:- Option-C
Question30:-Calculate the rate of heat transfer per unit area through a copper plate
45 mm thick whose one face is maintained at 350°C and the other face at 50°C.
Take thermal conductivity of copper as 370 W/m°C.
A:-0.455 MW/m2
B:-0.566 MW/m2
C:-2.466 MW/m2
D:-3.466 MW/m2
Correct Answer:- Option-C
Question31:-The colburn j factor for heat transfer is defined as
A:-NsiNPr
لمم رربو -: 8
(2/8
D:-ysewpr3/?
Correct Answer:- Option-C
Question32:-Peclet number is defined as
A:-Ratio between rate of heat transfer by convection to rate of heat transfer by
bulk flow
B:-Ratio between rate of heat transfer by bulk flow to rate of heat transfer by
convection
C:-Ratio between rate of heat transfer by bulk flow to rate of heat transfer by
conduction
D:-Ratio between momentum diffusivity to thermal diffusivity
Correct Answer:- Option-C
Question33:-For the nucleate boiling on a vertical flat plate, Jacob correlation is
given as
At-wu=0.16(GrPr)°®
B:-wu=0.26(GnPr)?