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thermax

GD



(1) Chief minister's stand on government employees

(2) Education system in India

Interview:20-30 mins



Questions were from Training and Project undergone

Technical Aptitute(Mechanical)



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

Wter

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

Incrases

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