Mechanical MS fellowship paper 2022
1.breaking point is how much far as compare to yielding point in cast iron?
2.number of revolution of planet gear on sun gear epicyclic.
3.If V is the jet velocity , what is the blade velocity
4.critical damping coefficient was asked , other parameters like C, K , m were given.
5. One shaft has inner dia to outer dia ratio as 3, other has this ratio 2, what will be the angle of twist ratio ?
6.thermal diffusivety is what? It is material property.
7. What is torsional suction modulus?
8. What is the flow area for centrifugal pump.
That is (pi*d*b)
9.if two walls have conductivity ratio as 2:3
What will be temperature difference ratio between these two walls? 3:2 will be !
10. Unit speed of turbine problem was there also
11. Which property control physical behavior of gas.
12. Vehicle decelerating with some acceleration, velocity was given, final velocity zero , find distance?
13. What is the relation of dia is to rpm and to power?
14.find out Sphere critical ? 2K/h(outer surface),
15.free body diagram?
16. There is a mass between two springs find frequency ? if Spring stiffness is 10K then put 10000 in formula (otherwise it can not be solved) !
17. By pass factor was given, then use 3 system into it ? Simple by pass factor 3 times multiply it
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18. NTU ? U was given , area also given , C values were 2, solve it!
19. Kinetic viscosity ?, density and dynamic viscosity was given .
MS Mechanical fellowship Interview 2022:
MS mechanical Engineering fellowship interview at karachi center..
*****General interview.*****
1.Tell me about yourself
3.what are the reasons of recent flood?
4.current situation of your city?
5.why do you want to join PIEAS?
6.what is meant by PAEC?
7.what are the major projects of PAEC?
8.total demand of Pakistan and in how many ways electricity is generated in Pakistan?
9. Tell some benefits of nuclear based power generation.
(Now they started asking mathematics)
10. If 1 pizza of 12'' and 3 pizzas of 6" are sold at the same price which deal you will prefer?
11.they showed a paper on which there was a graph of a unknown function.. Below that graph they asked slope of different points in above graph.
12.they gave a blank paper and assumed 20×10cm. Then they asked to convert it into the cylinder without edges and asked questions related cylinder.
14. Tell us about your family.
15.tell your at least two weaknesses.
16. You are looking too young .. are you sure you will do job?
17. If we send you in remote area will you go?
*****Technical interview*****
1. Introduce yourself
2. Your favorite subject..
(Now they started to ask questions from subjects other than my favorite subjects.)
3. Draw the orthographic views of a pencil and asked too many questions related with those views.
4.what is truss and what is difference between truss and beam?
5.draw the cantilever beam. And draw shaer stress diagram and bending moment diagram.
6.what is the main classification of heat engines.
7. Draw the schematic of Brayton cycle also draw its TS diagram.
8.draw the schematic and TS of regenerative brayton cycle.
9. What is Reynolds number?
10.define laminar flow and turbulent flow... Also mention Reynolds number range.
11. draw the velocity profile of laminar flow in pipes.
12. Write down the Bernoulli's equation.
13. Write assumptions of Bernoulli's equation.
They took almost 2-3 minutes on each question.. Also they asked different things from the same question.
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