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MECHANICAL ENGINEERING

What is the working principle of a wrist watch?

How would you manufacture the barrel of a Bofors Gun?

What are spun tubes?What is spiral welding?

What is a turbo engine? Name one application.

How do you manufacture a pencil? How does the refill of a ball point work?

What are the different types of lathe?How are their weld joints tested?

What are the different types of weldings to be undertaken in a ship in mid sea, the weld being underwater?

What is the gyroscopic effect of disks?

What is Zeroth Law?What is a Thermodynamic Equation?

What is a Mechanical Equation?

What is refrigeration? What is refrigerant?

What is the refrigeration process? Explain in detail?Explain the condensation process.

Explain refrigeration using Carnot Cycle.

Give types of I.C. engines apart from reciprocating engine?

Which is more efficient, rotary or reciprocating?Why are rotary engines not used widely in cars?

Questions based on I.E. engines, steam turbines, heat treatment, gears, etc

How does a refrigertor condenser look like and function?

What are the different parts of a refrigerator and a fire engine?How was the distance between the rails optimized for broad guage?

How to find the CG of an irregular body?

How can computer graphics be used in mechanical design?

Differentiate the MIG from the TIGHow would you test the welds in pressure vessels?

Why is lower octane petrol banned in USA?

What is the ratio of imports and indigenous production of SKI, MS, LPG, Crude, etc?

How are LPG bullets tested?Is Industrial Engineering useful? How would you use it?

Consider a pen holder. Could you use it here?

What are the advantages/disadvantages of dials?

Could you design an aircraft for us? How?Is it true that IE just teaches you how to use hands but not brains?

Explain lift.

What are the forces on it?How does a plane remain in air?

Is I.C. engine a fluid machine?

What are the advantages/disadvantages of a rotary I.C. engine?

Draw the cross section of a cupolaDraw Force diagram of your body while youre walking.

How do you balance yourself?

How will Mechanical Engineering help you in your day to day life?

Why dont you fall from a bicycle when youre riding?How does an air conditioner work?

Which is better heat or pressure fusing?

How does a diesel, electric and steam engine locomotive work?

Can you tell me how a solar cell watch works?What is a simple spring mass system and what is the difference when they are horizontally placed and vertically placed?

What are the damping effects of friction?

Does a globe moving in atmosphere experience friction?

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How would you measure friction if it exists?

What are the differences between a capstan and a turret lathe?What is the material of the lathe bed? Why?

Differentiate between: a] Lathe and drilling machine; b] Lathe and milling machine; c] Lathe and boring machine, d] Drilling andboring machine

What are the trade offs in designing a lathe?

Differentiate between a two stroke and four stroke engine? What engine does a Hero Honda have?What materials would you use to make a gun barrel? In what % What design considerations will you use? What manufacturingprocess?

Why are rotary engines not used?

In manufacturing, what is MAP? (Manufacturing Automation Protocol) What are flexible manufacturing systems.

Draw shear force and bending moment diagrams for a beam.Why are the rear wheels of a tractor bigger than the front wheels?

What is synchronous motor used for?

How is speed regulated in a fan and in a copier?

What are the two long screw like things on the front side of a lathe? What are their functions? What is the gearing mechanisminside the head of a lathe?In the rains, how would you keep water out of a sub way train route?

What are the different types of bearings? What type is used in bullock carts?

Differentiate between a steam turbine and a steam engine.

A plate has a laminar flow on one side and turbulent flow on another. What would occur?How does an IC engine work? What is the difference between Hero Honda and Kawasaki engines?

Why is a four stroke engine more efficient than a two stroke engine? What is the disadvantage in a four stroke engine?

What is the HP rating of a train diesel locomotive? How do you have the transmission in a diesel locomotive?

Which metals can be extruded easily? Give examplex.What is a universal joint? Where is it used?

Can we use a spring in place of a universal joint?

Which parts of a car are cast and which are forged?

How will you manufacture small watch gears?What engine is used in an aircraft?

In a propeller driven aircraft, what engine is used?

Advantages of a rotary engine over reciprocating engines. Why are they not used commonly?

What does a differential do in a car? Does the Maruti have it?What is the second law of thermodynamics?

What is entropy? What is happening to the universes entropy

What is Carnots cycle? Where is it applied?

What is saturated steam? What is the temp. inside the drum?What is common between a steam drum and the LPG gas used for cooking?

What are the various consideration while designing a machine?

What is the difference between a centrifugal pump and a jet pump?

What is Monte Carlo simulation? What do you do using GPSS?What is inside the gas cylinder used in kitchens? What is LPG? In what form is it inside? How does the pressure drop?

What is perpetual motion machine. Give one example.

Who invented a flying machine modelled on how a bird flies?

Can you design a bicycle with only a semicircular wheel instead of the usual circular one?How does a hydraulic door closer work?

Who do you think is the greatest inventor of all times? What are his inventions?

How is power transmitted to the Marutis front wheels? Does a Maruti have a differential? Where is it located? What are thebenefits of front wheel drive?

Who do you think is the greatest inventor of all times? What are his inventions?What filament is there in a tube light? What gas is used inside? If you want red colour, what will you do? Yellow? What colourdoes neon give?

What is Eulers formula? Give one application.

What is the difference between broaching and drilling? Drilling and boring?

How will you make the barrel of a gun strong?What is a jig? Why do you need a jig?

What is a locating dowel?

What is value analysis in value engineering?

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What are the benefits of forging and defects of casting?

Which metals can be extruded easily? Give examplex.What is a universal joint? Where is it used?

Can we use a spring in place of a universal joint?

Which parts of a car are cast and which are forged?

What is a machining centre?Can you do a boring operation on a lathe?

What is the difference between a Maruti and an Ambassador? Why does the Maruti have 3 cylinders? Why not four? Whatproblems arise in making a 4 cylinder engine, and what benefits accrue? what is the firing ordr of a 4cylinder engine? 3cylinder? What factors determine this?

A plate has a laminar flow on one side and turbulent flow on another. What would occur?

How does an IC engine work? What is the difference between Hero Honda and Kawasaki engines?Why is a four stroke engine more efficient than a two stroke engine? What is the disadvantage in a four stroke engine?

What is Monte Carlo simulation? What do you do using GPSS?

What is inside the gas cylinder used in kitchens? What is LPG? In what form is it inside? How does the pressure drop?

Who invented a flying machine modelled on how a bird flies?