Answer / wellwisher

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I attended the BHEL Engineer Trainee written test in Mechanical stream.

They conducted for four brances in Engineering: Comp sci, ECE, EEE and
Mechanical.

In Mechanical Branch there were a total of 240 questions.

120- Technical questions in Mechanical Engineering.

120- General Apptitude questions. (Quantitative Aptitude, Reasoning
Ability, Logical thinking, English usage).


The questions were mainly asked in

Thermodynamics

Engineering Mechanics

Theory of machines

Production tech

If you are thorough with your subject, you can really do well in this
session.


[One Mark for correct answer, 1/5th for wrong answer. Five choices were
given]

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Some questions which i remember are

1)Unit of Entropy (J/kg K or kJ/kg K)?

2)A mass of 100kg is falling from a height of 1 m and penetrates the sand
into for 1 m. What is the resistance force given by sand?

3)Ratio of specific heats of air ? (1.41)

4)A body weighs 3 kg in air. If it is submerged in a liquid, it weighs 2.5
kg. What is the specific gravity of the liquid ?

5)Two cars travell in same direction at 40 km/hr at a regular distance. A
car comes in a opposite direction in 60km/hr. It meets each car in a gap
of 8 seconds. What is the distance between them?

6)A simple problem involing in hoops stress. For sphere: M= [3/2]*p*V*
[density of pressure vessel material/Maximum working stress it can
tolerate] For Thin walled pressure walls: Hoops stress or stress in the
radial direction =p*r/2t?

7) A problem in force calculation in a body moving in a inclined surface?

8)Composition of bronze?

ans. Copper+zinc.

9) Compostion of stainless steel.?

ans. iron+chromium+nickel+carbon.

10) CI is manifactured in which process?

ans. cupola process

11)What percentage of carbon is preset in pig iron?

ans. 4.5 to 6%.

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12)Water is available at 10m height. What is the pressure available?

ans= pressure=density*g*height;
p=1000*9.81*10;
p=98100N/m2.

13)What will happen if the speed of the centrifugal pump doubles?

14)The unit eV is widely used in ?

ans. Nuclear and atomic physics.

15)What will happen to the resistance, when the diameter of the conductor
is doubled?

16)The power comsumed by a electrical device is 1000W at 250V, What is the
resistance in the device?

ans.

Power= Voltage*current,
Current=Power/Voltage,
Current,I=1000/250=4
amps. V=IR,
Therefore R=250/4=62.5 ohms.

17)Why DC current is not used in transformer?

18)On what principle the sonar/ radar works?

19)Bending moment diagram for the UDL is in what shape?

20)Function of the distributor in petrol vehicles?

ans. Spark timing.

21)Which is not present in CI engines?

ans. carburrettor.

22)What will happen if one cylinder recieves more amount of fuel spray
from injectors than other injectors?

23)Purpose of draft tube in hydraulic turbines?

ans. The purpose of a draft tube is toconvert some of the kinetic energy
of the flow from the runner (the rotating part of the turbine)
intopressure energy and thereby increase the efficiency ofthe hydro power
turbine.

24)What is the effect or reheater in the gas turbine?

The advantage of reheater is significantly increased thrust; the
disadvantage is it has very high fuel consumption and inefficiency.

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25)Problems involving with fricition coefficient.

26)Factor of safety = Yeild stress/Working stress.

27)Which is the example of non parallel power transmission (Universal
coupling)?

28)For perpendicular shafts worm gear is used?

29)A planet gear with 25 teeth is meshed with a sun gear of 100 teeth.
Both are connected using a arm. How many rotations are needed for planet
gear to complete one rotation around the sun gear?

30)What is equivalent spring constant for spring in parallel?

31) Some questions was asked related to boundary layer and vortex flow.

32) 5 questions were asked in PERT, Process planning, Product planning,
Break even analysis.

33)How are tungsten and sintered composite materials are machined?
(Electro Discharge Machining, EDM)

General Apptitude:


very easy.

There are 120 questions .

English:

** Detect the words with wrong spellings (5 questions).
** Fill in the blanks with appropriate words(5 questions).
** Two reading comprehensions were given(10 questions).
** Find the error in the sentence (8 questions).

Reasoning:

** Seating arrangement problems.
** Find the relation between them.

Quantitative ability:

** 50% of the questions are from basic geometry .
** Remaining were very general and easy. But many questions are there
that's y you should consider time factor and be quick.


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Answer / murali dhar kaushik

Myself murali dhar kaushik, i want BHEL mechanical engg
paper. pls can u send me Mech Engg papers of BHEl.
and something about interview?
Thanks

With Warm Regards,
Murali Dhar Kaushik
09456678926

Answer / shweta

i want BHEL electronics and communication paper. Plz can u
send me ECE papers of BHEL?

Answer / rajesh

Hi myself Rajesh, i want BHEL Mechanical Engineering paper
for Graduate Trainee. Plz can u send me the whole set of
question papers of BHEL?

Answer / josevinoth

Dear Sir,

I am Jose. I am an Mechanical Engineer planning to appear
for "BHEL ET" exam this year.Your posting in this forum is
very useful for beginers like me!
From your answer I understod that basic engineering
knowledge is enough for this exam. But I still like to know
is there any previous year question papers will be
available like we have for GATE exams or you feel it is no
need?
Can you please guide me?

regards,
Jose
9841327666
josevinoth@yahoo.com

Answer / muthuraja

I am Muthuraja just now i completed BE. I am very much
interested in Bhel engineering Trainee exam. Please send
any sample question paper relevant to that. Kindly do the
needful.

Answer / jagadesh

this is jagadesh doing mtech in iitmadras,i want BHEL
Mechanical Engineering paper
for Graduate Trainee. Plz can u send me the whole set of
question papers of BHEL

Answer / sathish

tell me when placement is going to be held

email me previous question papers of bob bank for po exams

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