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BHEL

Paper Type : Whole Test Paper
Paper Date : 2011-09-18
Location : Kolkata

Paper Content :

There were 4 sections; Time allotted: 2 and half Hours and Negative marking 0.2 per wrong answer.

1- Mechanical - 60 Questions

2- General Engineering - 60 Questions

3- English - 60 Questions

4- Aptitude+ Reasoning - 60 Questions

Questions:-

General Engineering:

1- Electrical Engineering like ( 12-15 Questions)

(A)- Ohm’s law valid for which material (Options were Silver, Copper, lead, Gold)

(B)- NP Junction

(c) – Magnetic flux (what will happen if we keep a metallic rod in magnetic flux)

(D)- Two resistances of having power 100W and 60 W respectively, then their Resistance ratio will be

R1/R2 > 1, R1/R2=1 , R1/R2< 1

(E)- Kettle, Fan, TV…find the order according to their Power Consumption.

(F)- Electron Potential Difference ( simple Unit was asked) (Ans. eV)

(G)- Unit of Specific Resistance (Ans. Ohm. Meter)



2- Chemistry Questions like (4-7 Questions)

(A)- 1 KG of CH4 will burn with O2. For complete burning how much mass of O2 required.

(B)- Items used to make Paint which is used to Painting the Wall.

( C)- Neutron & Proton

(D)- Three Primary Color. (Ans. Red, Blue and yellow)



3- Physics (25-30 Questions)

(A)- Friction factor depends upon---

Ans. Type of Contact and Normal, Only Normal, or Type of Contact

(B)- Momentum in terms of M,L,T (Ans. )

(C)- Area Moment of Inertia

(D)- One body is thrown at an angle with Horizontal, what will be the motion of the body in Air.

(Ans. Parabolic)



(E)- Wavelength (2 questions)

(F)- Robots for what

(G)- Escape velocity (Ans. 11.2 M/s)

(I)- Two masses M and m (M>m) are on a horizontal surface in contact. If a Force F acting on M, then force between both masses.

Ans. M.F/(M+m) or m.F/(M+m)



Mechanical Engineering:

1- Cavitations occur due to (Ans. Low pressure)

2- Separation of Boundary layer (Ans. Pressure gradient tends to negative)

3- To increase the Nut shearing strength what will you do? (Ans. Shank dia increase)

4- Hollow sphere to solid sphere (Ans. 15/16)

5- Buckling Load will be maximum in which case?

(Ans. Both end pinned or both end clamped or one end pinned and one end clamped.)

6- COP of Refrigerator, given T1= 80 and T2= 100.

7- COP of system, given compressor work= 10 KJ and heat rejected = 40 KJ.

8- Pelton wheel, find optimum velocity of jet while giben angle= 20, velocity of pelton wheel= 60m/s.

9- Mixing of tow liquids, find the temperature of one liquid after a long time while given both initian temp, masses and specific heats.

10- Thermodynamics Questions (simple Formula based) (4-5 questions)

11- Why preheating is required in welding. (Ans. To remove the grease and impurity from the surface).

12- Economic Order Quantity theory base (not formula base).

13- Fracture in Plastic limit.

14- What will happen in property of steel if we increase the carbon %?

15- Acting point of Buoyancy Force (Ans. Center of the displaced fluid)

16- Whirling speed Wc should be what of speed of the shaft. (Ans. Wc> root of 2)

17- Rank angle question

18- Temp coefficient at constant volume

19- Mohr’s Circle is a Point, when?



Aptitude+ Reasoning

1- Find the Zeros from the

3000x2000x1000 + 3000 + 2000 + 1000 (Ans. 9 because 8 was not among the options)

2- Integration of (Limits from -2 to +2)

3- Arithmetic series sum ( around 2 questions of it)

4- Harmonic mean (One questions)

5- Geometric series: Given third place number is 1/9 and seventh number place is 9, then find the multiplication of Fourth and sixth numbers. (Ans. 1)

6- Square inside in circle: Radios given, then find the ratio of Radios and side of the square.

7- Van Diagram: damn easy (4 Questions)

8- Number system (4 Questions)

9- Prime Numbers between 1 to 50

10- LCM, HCM and HCF (3 Questions)

11- Probability (2 Questions)

12- Profit and Loss (2 Questions)

13- Percentage (4 Questions)

14- Father and son’ age.

15- A and B do work in 10 days. A can do the half of the work in 10 days. In how many days B can finish the work.

16- One stick (Length = 12 CM) is divided into three parts. One part is double of another. Find the parameter of the triangle made from those three parts.



17- Matching Coding : like (4 Questions)

Pig: Gaunt :: (Ans. Hoarse: Bray)

Misogynist: Woman :: (Not remember but damn easy)

18- COLUMN- A AND COLUMN- B were given (For around 20 Questions) and Options were for all questions

1- If Column A is ALWAYS greater than Column B

2- If Column B is ALWAYS greater than Column A

3- ALWAYS A=B

4- Column A can be equal to Column B because of Dimensions are different

5- Column A and Column can never be equal in any case



Q.NO.


COLUMN A


COLUMN B

1.


Length (BD)


Length (CD)

2.


X


Y

3.





4.


Length (BDEF)


Area (BDEF)

5.






English:

1- Comprehension (around 10 Questions)

2- Passages : Questions were like (around 25 Questions)

(1)- What assumption can be made from the above passage?

(2)- What Inference can be made from the above passage?

3- Spelling mistake (around 5 Questions)

4- Matching pair (around 5 Questions)

5- Antonyms & Synonyms (around 10 Questions)

6- Find the Grammar mistake from the Given Sentences (Around 5 Questions)
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Comments

Posted By: saurabh | Sun, 02 Oct 11 – 01:32:42 PM | Reply

Dolphins click...horses do not bray,,they neigh.please correct

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