Manufacturing Technology

Which of the following process is not grouped under metal removal process?

Machine tools can be classified as

Structural sections such as rails, angles, I-beams are made by

Ultrasonic machining is best suited for

Which of the following processes has the highest metal removal rate?

In abrasive jet machining metal removal takes place due to

Taylor's principle is concerned with

Limit Gauge

Tachometers are used to measure:

Tolerance of gauges can be checked by

Differentiate Hot and Cold Working Process.

Discuss the classification of press tools.

Describe briefly the design principles for jigs and fixtures.

Describe briefly the accessories of jigs and fixtures.

State and explain the Taylor's principle of gauge design with neat sketch of Plug gauge and Snap gauges.

Explain with the help of a diagram the principle of working of a sine bar for angular measurement. List the advantages and limitations of sine bar.

Why is it necessary to give a tolerance on engineering dimension? Give an example of both unilateral and bilateral tolerances.

Explain the classification of material handling equipments.

Explain Abrasive Jet Machining (AJM) with neat sketch. Also explain its advantages and disadvantages.

Explain Water Jet Machining (WJM) with neat sketch. Also explain its advantages and disadvantages.

Explain the basic principle of Electro Discharge Machining Die Sinking EDM explain different process parameters (Input parameters) used.

Enumerate the difference between AJM and WJM.

Explain Ultrasonic Machining with neat sketch. Also mention different process parameters.

Explain Electro Chemical Machining with neat sketch. Also explain its advantages and disadvantages.

Enumerate the difference between Laser Beam Machining (LBM) and Electron beam Machining (EBM).

Explain wire-cut EDM with neat sketch. Also explain its advantages and disadvantages.

Which of the following process is not grouped under metal removal process?

Machine tools can be classified as

Structural sections such as rails, angles, I-beams are made by

Ultrasonic machining is best suited for

Which of the following processes has the highest metal removal rate?

In abrasive jet machining metal removal takes place due to

Taylor's principle is concerned with

Limit Gauge

Tachometers are used to measure:

Tolerance of gauges can be checked by

Differentiate Hot and Cold Working Process.

Discuss the classification of press tools.

Describe briefly the design principles for jigs and fixtures.

Describe briefly the accessories of jigs and fixtures.

State and explain the Taylor's principle of gauge design with neat sketch of Plug gauge and Snap gauges.

Explain with the help of a diagram the principle of working of a sine bar for angular measurement. List the advantages and limitations of sine bar.

Why is it necessary to give a tolerance on engineering dimension? Give an example of both unilateral and bilateral tolerances.

Explain the classification of material handling equipments.

Explain Abrasive Jet Machining (AJM) with neat sketch. Also explain its advantages and disadvantages.

Explain Water Jet Machining (WJM) with neat sketch. Also explain its advantages and disadvantages.

Explain the basic principle of Electro Discharge Machining Die Sinking EDM explain different process parameters (Input parameters) used.

Enumerate the difference between AJM and WJM.

Explain Ultrasonic Machining with neat sketch. Also mention different process parameters.

Explain Electro Chemical Machining with neat sketch. Also explain its advantages and disadvantages.

Enumerate the difference between Laser Beam Machining (LBM) and Electron beam Machining (EBM).

Explain wire-cut EDM with neat sketch. Also explain its advantages and disadvantages.

Which of the following is/are the function(s) of a jig?

Which of the following materials is commonly used for making locating and clamping devices?

Why tolerances are given to the parts?

What is mean clearance?

Nearest deviation between hole and shaft from the basic value is known as

Economy in material handling can be achieved by

What is the generally considered value of pulse time used in EBM?

Wheelbarrows is used for

Masks, which are used to confine the jet stream location on workpiece are made of

What is the temperature reached by cathode in order to produce plasma beam?

How can kerf be controlled in electrical discharge machining (EDM)?

Why different advanced machining processes affect the fatigue strength of materials to different degrees?

In an electrochemical machining (ECM) operation with a flat surface, a 10 V DC supply is used. The conductivity of the electrolyte is $ 0.2 \, \Omega^{-1}cm^{-1} $, and a feed rate of $ 1 \, mm/min $ is used. The workpiece is of pure iron. Calculate the equilibrium gap. Consider the total over-voltage to be 1.5 V.

How gauges are classifying? Discuss in detail.

Discuss the term 'allocation of gauge tolerance' in detail.

Discuss the important factors associated with process planning related to assembly.

While measuring the effective diameter of an external metric screw thread gauge of 3.5 mm pitch, a 30.5 mm diameter cylindrical standard and 2 mm diameter wire were used. The micrometre reading over the standard and wire was 13.3768 mm. The corresponding reading over the thread gauge and wire was 12.2428 mm. Calculate thread gauge effective diameter.

Describe the design factors that must be considered during the planning of a material handling systems.

Explain Taylor's principle of gauge design with example.

Discuss the advantages of wavelength standard over other standards of measurement. Why is the wave standard adopted universally?

What are the causes of errors in the design and operation of jigs and fixtures? What measures should be taken to minimize the effects of the causes of error?

With neat sketch, explain the different elements of jigs and fixtures.

What is meant by 3-2-1 principle of location?

It is required to punch a hole of 10 mm diameter in a mild steel plate of 10 mm thickness. Determine whether it is possible to punch a hole with shear stress of metal with $ 60 \, kg/mm^{2} $ and compressive strength of punch is $ 200 \, kg/mm^{2} $ Give suitable reason.

What do you understand by shear on dies? What is its effect on size and shape on the cut blank?

With neat sketch, explain the mechanics of material removal in EDM.

A square through hole of $ 5 \, mm \times 5 \, mm $ has to be drilled in a 5 mm thick tungsten carbide sheet. The slurry is made of 1 part of $ 10 \, \mu m $ radius boron carbide grains mixed with 1.5 parts of water. The feed force is 4 N. The tool oscillates with an amplitude of 0.015 mm at 25 kHz. Assuming that only 20% of the pulses are effective, calculate the time required to finish the job.

What is deburring? Are deburring operations still necessary for some parts produced by unconventional machining processes? Explain and give at least two specific examples.

Draw a schematic diagram and point out the different elements of laser beam machining (LBM). Also calculate the time required for the surface to reach the melting temperature for the conditions mentioned below: A laser beam with a power intensity of $ 10^{5}W/mm^{2} $ falls on a tungsten sheet. The material properties are- melting temperature $ = 3400^{\circ}C $, thermal conductivity $ = 2.15 \, W/cm^{\circ}C $, Volume specific heat $ = 2.71 \, W/cm^{\circ}C $. Assume that 10% of the beam is absorbed.

Which of the following is/are the function(s) of a jig?

Which of the following materials is commonly used for making locating and clamping devices?

Why tolerances are given to the parts?

What is mean clearance?

Nearest deviation between hole and shaft from the basic value is known as

Economy in material handling can be achieved by

What is the generally considered value of pulse time used in EBM?

Wheelbarrows is used for

Masks, which are used to confine the jet stream location on workpiece are made of

What is the temperature reached by cathode in order to produce plasma beam?

How can kerf be controlled in electrical discharge machining (EDM)?

Why different advanced machining processes affect the fatigue strength of materials to different degrees?

In an electrochemical machining (ECM) operation with a flat surface, a 10 V DC supply is used. The conductivity of the electrolyte is $ 0.2 \, \Omega^{-1}cm^{-1} $, and a feed rate of $ 1 \, mm/min $ is used. The workpiece is of pure iron. Calculate the equilibrium gap. Consider the total over-voltage to be 1.5 V.

How gauges are classifying? Discuss in detail.

Discuss the term 'allocation of gauge tolerance' in detail.

Discuss the important factors associated with process planning related to assembly.

While measuring the effective diameter of an external metric screw thread gauge of 3.5 mm pitch, a 30.5 mm diameter cylindrical standard and 2 mm diameter wire were used. The micrometre reading over the standard and wire was 13.3768 mm. The corresponding reading over the thread gauge and wire was 12.2428 mm. Calculate thread gauge effective diameter.

Describe the design factors that must be considered during the planning of a material handling systems.

Explain Taylor's principle of gauge design with example.

Discuss the advantages of wavelength standard over other standards of measurement. Why is the wave standard adopted universally?

What are the causes of errors in the design and operation of jigs and fixtures? What measures should be taken to minimize the effects of the causes of error?

With neat sketch, explain the different elements of jigs and fixtures.

What is meant by 3-2-1 principle of location?

It is required to punch a hole of 10 mm diameter in a mild steel plate of 10 mm thickness. Determine whether it is possible to punch a hole with shear stress of metal with $ 60 \, kg/mm^{2} $ and compressive strength of punch is $ 200 \, kg/mm^{2} $ Give suitable reason.

What do you understand by shear on dies? What is its effect on size and shape on the cut blank?

With neat sketch, explain the mechanics of material removal in EDM.

A square through hole of $ 5 \, mm \times 5 \, mm $ has to be drilled in a 5 mm thick tungsten carbide sheet. The slurry is made of 1 part of $ 10 \, \mu m $ radius boron carbide grains mixed with 1.5 parts of water. The feed force is 4 N. The tool oscillates with an amplitude of 0.015 mm at 25 kHz. Assuming that only 20% of the pulses are effective, calculate the time required to finish the job.

What is deburring? Are deburring operations still necessary for some parts produced by unconventional machining processes? Explain and give at least two specific examples.

Draw a schematic diagram and point out the different elements of laser beam machining (LBM). Also calculate the time required for the surface to reach the melting temperature for the conditions mentioned below: A laser beam with a power intensity of $ 10^{5}W/mm^{2} $ falls on a tungsten sheet. The material properties are- melting temperature $ = 3400^{\circ}C $, thermal conductivity $ = 2.15 \, W/cm^{\circ}C $, Volume specific heat $ = 2.71 \, W/cm^{\circ}C $. Assume that 10% of the beam is absorbed.