Abhishek Agarwal placed in KazStroyServices KSS

Abhishek Agarwal

Name:	Abhishek Aggarwal
Course:	Mechanical Engg.
Year:	2011
Company:	KazStroyServices KSS
Package offered:	4 LPA
Preparations:	No preparations as such. Brushed up all the subjects those were in semesters
Books Reffered:	• P K Naag power plant engg. • C P Arora Ref. and Air-Conditioning
GD, PI Preparations:	My own experience which I gained during the G.D. and self analysis of the interviews which I did not crack helped me get an average placement @DCE
Eligibility criteria and students appeared:	Cutoff percentage was 55%. About 30 students appeared for it.
The Written round:	It had technical + aptitude questions.
The Group Discussion Round:	There were 11 students in each round of GD. Topic was CWG. We were given just 0 seconds to prepare.
The Interview:	There were technical + HR qs. They asked my favorite subject and asked qs on that. For HR, they asked me for a brief intro.
Role of Internships and extracurricular activities:	Role of internships: yes Role of extra currics: It shows you are resurgent, vibrant, self-confident, self-motivated

Questions Asked in the Written Round

Q1. Which of the following is more elastic?
a) Rubber
b) plastic
c) brass
d) steel

Q2. Alloying elements in coomonly used stainless steel is
a) Cr , Ni
b) Al, Ni
c) Only Ni

Q3. The maximum strain energy stored in a body without permanenet deformation is known as
a. Impact energy
b. Proof Resilience
c. Resilience
d. Modulous of Resilience

Q4. Which of the following is not a mechanical property
a. UTS
b. Yield strength
c. BHN
d. Carbon equivalent

Q5. The hoop stress in thin cylinder of mean radius r with thickness t and internal pressure p is given by
a. 2pr/t
b. pr/2t
c. pr/t
d. 4pr/t

Q6. (Don’t remember)
Q7. at neutral axis
a. Tensile stress is zero
b. compressive stress is zero
c. Both a and b of the above
d. None of these

Q8. weight of water contained in a rectangular overhead tank depends on specific gravity
a. True
b. False

Q9. (Don’t remember)
Q10 .Bending moment at free edge of a cantilever beam for point load is proportional to L^2 where L is the overhang
a. True
b. False

Q11. when a closed coil helical spring is subjected to a pure axial load it is said to be under
a. bending
b. shear
c. torsion
d. tension

Q12. the impact strength of a material is determined in a testing lab using Universal testing machine
a. True
b. False

Q13. reynold’s no. is a ratio of
a. shear force and inertia force
b. inertia force and shear force
c. inertia force and viscous force
d. None of these

Q14. (Don’t remember)
Q15. In Bernoullli’s equation it is assumed that the velocity of the fluid anywhere in the same cross-section
a. uniform
b. non-uniform
c. velocity gradually increases from the centre to the periphery
d. None of these

Q16. If the velocity of the moving body is known
a. True
b. False

Q17. For laminar flow the value of reynold’s no.
a. >2000
b. 4000
d. None of these

Q18. (Don’t remember)
Q19. In centrifugal pumps the liquid enters and leaves respectively at:
a. low velocity, low pressure and high velocity, high pressure
b. high velocity, high pressure and low velocity, low pressure
c. low velocity, high pressure and high velocity, low pressure
d. high velocity, low pressure and low velocity, high pressure

Q20. Modulous of elasticity varies with temperature
a. True
b. False

Q21. Overall efficiency of the centrifugal pump is the ratio of
a. output power to input power
b. output power to power of impeller
c. power of impeller to input power
d. None of these

Q22. Tube is identified by NB and pipe is identified by OD
a. True
b. False

Q23. (Don’t remember)
Q24. Ahole is put during the welding of pipe trunion to pipr/reinforcement pad for injecting water
a. True
b. False

Q25. If T1 and T2 are the maximum and the minimum temperatures of the cycle then thermal efficiency of the carnot cycle will be
a. (T1-T2)/T1
b. T1/(T1-T2)
c. T2/(T1-T2)
d. None of these

Q26. (Don’t remember)
Q27. An eccentric reducer with flat side down is used at the pump suction to avoid cavitation
a. True
b. False

Q28. In a rankine cycle, expansion of steam takes place at:
a. constant enthalpy
b. constant entropy
c. constant temperature
d. None of these

Q29. (Don’t remember)
Q30. Spanner size for the given bolt is
a. 2 X Dia. of Bolt
b. 1.5 X dia. of bolt
c. dia. of bolt

Q31. Heat transfer by conduction is given by
a. Joule,s Law
b. Fourier’s Law
c. Clausius Law
d. None of these

Q32. Current required for welding is
a. Current (Amp) = [Diametre of Electrode (mm) X 20] (+/-) 20
b. Current (Amp) = [Diametre of Electrode (mm) X 40] (+/-) 20
c. Current (Amp) = [Diametre of Electrode (mm) X 30] (+/-) 10

Q33. In otto cycle combustion of fuel takes place at
a. constant pressure
b. constant volume
c. constant temperature
d. None of these

Q34. The ratio between the change in volume and original volume of the body is called ………….. strain
a. tensile
b. compressive
c. shear
d. volumetric

Q35. Gas turbine works on
a. carnot cycle
b. otto cycle
c. diesel cycle
d. brayton cycle

Q36. There is always a limiting value of load upto which the strain totally disappears on the removal of load; the stress corresponding to this load is called
a. elastic limit
b. unit stress
c. yield stress
d. none of these

Q37. Fatigue occurs when the material is subjected to
a. cyclic loading
b. very high temperatures
c. alternative stress reversal
d. none of these

Q38. Total elongation Produced in a bar due to its self-weight is given by.
Consider the mass per unit length as ‘p’ and length ‘l’
a. 9.81pl^2/2E
b. 9.81pl/E
c. 9.81pl^2/E
d. 9.81p^2l/2E

Q39. The melting point of iron is
a. 1500 degree centigrade
b. 1437 degree centigrade
c. 1567 degree centigrade
d. 1537 degree centigrade

Q40. Strain Guage is used for measuring
a. linear strain
b. shear strain
c. volumetric strain
d. None of these

Q41. In annealing the material is quenched in
a. still air
b. furnace
c. oil
d. none of these

Q42. (Don’t remember)
Q43. Bronze is an alloy of
a. Cu and Ag
b. Cu and Zn
c. Cu and Sn
d. Ag and Al

Q44. The ratio b/w E(modulous of elasticity) and C(modulous of rigidity) is given by
a. E = C [1+1/m]
b. E = 2C [1+1/m]
c. E = C [1+2/m]
d. E = 2C [1+2/m]
where 1/m = poisson’s ratio.
Q45. (Don’t remember)
Q46. The metal suitable for bearings subjected to heavy loads is
a. silicone bronze
b. white metal
c. monel metal
d. phosphor bronze

Q47. If a lght flashes every 6 seconds how many times will it flash in 3/4 of an hour
a. 225
b. 250
c. 360
d. 450

Q48. (Don’t remember)
Q49. (Don’t remember)
Q50. the internal resistance which a body offers to meet the load is called ……
a. Stress
b. Pressure
c. Load
d. none of these

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