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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Professor in Mechanical Engineering' And exam conducted in the year 2023. And Question paper code was '099/2023'. 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.
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The general form of expression for continuity equation in a Cartesian co-ordinate
system for unsteady incompressible flow is given by
20 9۷ 20 _ 99. و 2 (ow)=
۵ وو و B) at * ax PU) + ay Ov) + gz low)=0
9 9 0 90५ ov. ow
0) 5x (PU) + 5y (Pv) + 5 (Pw) =0 D) ay’ az 7
If a cylindrical boiler drum kept in the horizontal position is full of water, then the time
taken to empty it completely depends upon
A) R® B) त 0) 56 D) ति
Power transmitted through a nozzle is maximum when the head loss due to friction
in pipe is
A) =z the total head supplied at inlet of pipe
0
வடி வ.
the total head supplied at inlet of pipe
the total head supplied at inlet of pipe
the total head supplied at inlet of pipe
| ८ دواد
In winter, a house need 198 MJ/hr heat requirement. For this purpose, how much
amount of heat to be abstracted from outside by the heat pump if it is having
8.0 COP?
A) 158400 പവ B) 162000 kJ/hr
C) 173250 kJ/hr D) 180640 kJ/hr
The effectiveness of parallel flow heat exchanger is calculated by using the
relation
1— exp[NTU (1-C)] പ രസ]
1-0 ) 16
1—exp[NTU (1+ C)] പ 17% घ७(+०)]
1+0 ) 140