Thermax Placement Papers For Mech & Civil Engineers

Thermax is an Indian energy and environment engineering company based in India and in Britain. It manufactures, boilers, vapour absorption machines, offers water and waste solutions and installs captive power projects.
Thermax is also a historic brand name of boilers, and the name of a former toughened-glass company.

Here are a few questions that were asked in campus placements -


1. In which type of Welding chemical reaction takes place -
Resistance
Thermit
Forge
Gas

2. Resistance to fatigue strength is measured by
Tensile Test
Shear Test
Endurance Limit

3. A fly wheel starts from rest and accelarates unifomly and reaches 25 rpm in 3 seconds.What will be the angular velocity(in rpm) after 10 seconds?
20
25
45
50

4.Radio active materials emmit -
alpha
beta
Gamma
All the above

5. Expansion valves are used in pipes carrying

Water
Steam
Viscous fluid
Air at high pressure

6. ON/OFF Control application Valve -
Ball valve
Globe valve
Needle valve
Butter fly valve

7.Thermal Conductivity of Solids with increase of temp
Increases
Decrease
Increases then Decrease
Unpredictable

8. Idling mixture in Petrol Engines
Rich
Lean
Variable

9. Radiator is made up of =
Brass
Steel
Plastic
Cast Iron

10. Hysterises loss is least affected by -
Temperature
Frequency
Weight
Density

11. Compiler is used for
High level to the Language understandable by machines
To convert the programmes from Digital to Analog form
To compile the instructions in registers
Both B & C

12. Heat treatment of steel changes
Physical
Chemical
Mechanical properties

13. Fusible plug is used for
To control Steam Temperature
To put off the fire when the water level in the boiler falls below the alarming limt
To avoid Explosion

14. Effect of Cavitation in Turbines -
Noise and Vibration
Efficiency
Decrease in life of blades
All the above

15. The correct relation between Gauge pressure, Absolute pressure, Atmospheric pressure
(4 choices)

16. Which of the following has the maximum Head
33 inches Hg
756 mm of Hg
31.6 m of water(Not clear)
1.013 kg/sq.cm

17. Manometer is effective for
High pressure
Very High pressure
Low pressure
None of the above

18.Elasticity of a fluid is measured by
Modulus of Elasticity
Rigidity Modulus
Bulk Modulus
None of the above

19. Where the bending stress is maximum for I Section Beam
Nutral axis
At the joint of wedge and flank
wher the shear stress is maximum
Oute most of the fibres

20. The oil of sp. gravity 0.9 and water are kept in two identical vessels,Hydro static Pressure at bottom of oil will be
More than pressure of the water at the bottom
Less than pressure of the water at the top
Same
Insufficient data

21. Cp / Cv of Gas at varying temperatures
Constant
Increases
Decreases(With some conditions)

22.Compression ratio of the C.I. Engine
8 to 10
10 to 15
16 to 20
None

23.The sate of the refrigernt in the vapour compression cycle before throttling
Wet
Dry

24. Feuler gauges are used to
Measure the clearence

25. High moisture content in the last stage of tubine will cause
Corrosion
Low thermal efficieny
Low Blade life
All the above

26. What alloying material imparts corrossive resistance properties of steel
Ni-Cr
V,Cr
Cr

27. Chip breakers are used for
To permit small chips
to increase tool life
Safety

28. Jigs are used for
turning
milling
drilling
grinding

29. In coal refineries magnets are used to seperate
dust
iron particles
Sand
All the above

30.statistical processing is done for
improve the quality
maintain the quality
both 1 and 2
to increase the profit

31.What will happen to the specific volume of the water when it is heated from 0 degree c
Increases
Decreases
Remain Constant

32.Reason for slipping when we walk on the Ice
Ice suface is smooth
When we apply pressure on the Ice it gets melted

33. When the Ice cubes present in the glass of water get melted what will happen to the level of water -
Increases
Decreases
Doesn't change

34. First law of Thermodynamics deals with
Conservation of Mass
Conservation of Momentum
Conservation of Energy
Conservation of Heat

35.Tonnage of 165 domestic refrigerator -


36. Thermal Conductivity of Water with increase in temp
Incrases with temp
Decreases then increases
Increases then Decreases
Does not change

37. Purpose of conducting Tensile Test
Ductility

38. Which structure can be viewed by Naked Eye?
Micro Structure
Grain
Macro
Atomic

Section 2 - Data Sufficiency

1. If x=y^2 then x^2-y=?
a) x + y = 2
b) x = 4

2. Two find an average speed of the two men

a) Speed of one man
b) Distance traveled by another man

3. If K-1 is a square and K<17, what is K?

a) K is even
b) K is odd


4. What is the area of the unoccupied by the triangle if the triangle is completely inside the square?

a) A triangle compatibility inside the square
b) Area relation

5. There are 12 marbles, Red, Blue & Green. Find the no. of Red marbles?

a) No. of red marbles is greater than the Blue and Green
b) No. of Blue marbles are twice as that of the Green marbles

6. what is the average speed of A & B

a) A travels 4 miles / hour more than B
b) A travels 60 meters

7. What is the % of X in Y

a) X=Y/4
b) X + Y = 200

8. In an election P, Q, R are the contestants. They got the votes as follows. Can you find out who got the majority votes?

a) P= (4/3)* P
b) Q= (2/3)*R

9. How many times is the calorific value of Bread greater than the apple?

a) Bread is ½ times more than Banana
b) Banana is 3 times more than Apple

10. How many Brothers does Mohan have

a) Mohan’s sisters are twice as Brothers
b) Mohan’s uncle has one Nephew

11. Did the price per unit rise during 1976 from 1975

a) More units were sold in 1976 than 1975
b) There was 5% decrease in 1976 than 1975

12. Amar, Akbar, John & King have joined one Team each. Who joined football?

a) Not more than three joined One game
b) Amar & Akbar joined Base Ball, King joined Basket ball

13. The profit of one company is increased by 20% for every year.

a) Production drops by 5%

14. One man got Birthday gift.

a) He got twice the amount of gift on that Birthday
b) No of gifts received is 4 fewer than he received on third birthday

Replies

  • Feather
    Feather
    THERMAX (I) LTD PLACEMENT PAPER - 2

    Three sections + GD + Interview

    I section : 40 Q in 5 mins --- very easy -mirror image ques. (no neg marks)
    II section : 20 Q in 20 mins - easy data sufficiency ques - neg marks(-1/5)
    III section : 40Q in 20 mins-Technical questions-(neg marks -1/5) all obj


    GD Topics : child labour, liberalization etc..

    Technical MECH Questions

    1. Heat is a substance of

    a. internal energy b. thermal conductance c. enthalpy d.entropy

    2. calorie is a unit of

    a. specific heat b.quantity of heat

    3. Heat supplied at 30000 J/s and output of 90kw. What is the thermal efficiency of the heat engine?

    a. 30% b.33% c.40% d.50% e.50%

    4. Welded joint's strength is checked by


    5. Grove is given in which welding

    a. fillet b. butt c.lap d.both fillet and lap


    6. when carbon is increased in steel

    a.ductility is increased

    7. corrosion resistence of steel increases by

    a. Cr,W,Va,Mo b.Cr c.Cr,Ni

    8. Definition of toughness

    Ans : Maximum absorption of energy

    9. Unique property of cast iron

    Ans : damping property

    10. Toughness is measured by]

    ans : impact

    11. If torque is increased, speed

    ans : decreases linearly

    12. If the diameter of the centrifugal pump is doubled, what will happen ?

    .output flow per 4 times b. speed will be doubled

    13. The ladder will not be in equilibrium if

    a.floor surface is smooth and wall surface is rough

    b.floor surface is rough and wall surface is rough]

    c.floor surface is smooth and wall surface is smooth

    d. floor surface is rough and wall surface is smooth

    14. pressure vessels are made by

    a.welding(ans) b.rivet c.both d.none of the above

    15.Tolerance is specified for

    ans : product cannot be lproduced accurately

    16. for close transmission which fit is used:

    a.transition b. interference c. clearance d. none of the above

    17. washer is used for :

    a. to avoid wear(ans) b.to absorb vibration c.to protect bearing surface

    18. a carbon bar is of length 10m. its temp increased from 30C to 330C. what is the expansion

    a.300 b.30 c.10 d.100
  • ABILASH CV
    ABILASH CV
    will thermax conduct interview through phone call
  • Viswas singh
    Viswas singh
    ABILASH CV
    will thermax conduct interview through phone call
    Noo
  • Anjali Kulkarni
    Anjali Kulkarni
    When will be openings in Thermax and how cloud I get the information about it.

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