Workshop Technology Viva Question and Answers

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Workshop Technology Viva Question and Answers

What is workshop technology?

Workshop technology is the study of the techniques and principles involved in the production of goods using manual, machine-based, or automated processes.

What is the importance of workshop technology?

Workshop technology is important as it helps individuals understand the manufacturing processes, material selection, and safety measures involved in producing goods. This knowledge is essential in a variety of fields, including engineering, construction, and the trades.

What is a Lathe machine?

A Lathe machine is a machine tool used to shape a workpiece by rotating it around its axis while a cutting tool is applied to the workpiece to remove material.

What are the different types of Lathe machines?

The different types of Lathe machines include center lathe, capstan and turret lathe, engine lathe, and specialized lathes.

What is the function of a Milling machine?

A Milling machine is a machine tool used to shape a workpiece by removing material using a rotating cutter. It is typically used to produce parts with complex shapes and features.

What are the different types of Milling machines?

The different types of Milling machines include vertical milling machines, horizontal milling machines, and universal milling machines.

What is Drilling machine?

A Drilling machine is a machine tool used to create holes in a workpiece.

What is the purpose of a Shaper machine?

A Shaper machine is a machine tool used to produce flat surfaces or profiles on a workpiece by moving a single-point cutting tool along the surface of the workpiece.

What is the function of a Grinding machine?

A Grinding machine is a machine tool used to grind and shape a workpiece by removing material using an abrasive wheel.

What are the different types of Grinding machines?

The different types of Grinding machines include cylindrical grinders, surface grinders, centerless grinders, and internal grinders.


What is Jig and Fixture?

Jigs and fixtures are specialized tools used in manufacturing to hold and support a workpiece during the machining process. They are designed to provide repeatability, accuracy, and versatility in the production of parts.

What is the difference between Jigs and Fixtures?

Jigs are used to guide and control the motion of a cutting tool, while fixtures are used to hold a workpiece in a specific position. Jigs are typically more complex and are used for specific operations, while fixtures are simpler and are used for general holding purposes.

What is a Welding process?

Welding is a fabrication process that joins materials, usually metals or thermoplastics, by using heat, pressure, or a combination of both to melt and fuse the materials together.

What are the different types of Welding processes?

The different types of welding processes include arc welding, resistance welding, gas welding, and more.

What is a Cutting process?

Cutting is a process that involves removing material from a workpiece using a cutting tool to achieve a desired shape or size.

What are the different types of Cutting processes?

The different types of cutting processes include turning, drilling, milling, grinding, and more.

What is the purpose of a Heat Treatment process?

Heat treatment is a process used to alter the physical, mechanical, and/or chemical properties of a material. It is used to improve the material’s strength, toughness, ductility, and other properties.

What are the different types of Heat Treatment processes?

The different types of heat treatment processes include annealing, normalizing, hardening, and tempering.

What is a Surface Finish?

Surface finish is a measure of the roughness, texture, and reflectivity of a surface. It can affect the appearance, performance, and durability of a product.

What are the different types of Surface Finish?

The different types of surface finish include rough, matte, satin, polished, and more.


What is a Forging process?

Forging is a metal forming process in which a workpiece is shaped by applying compressive forces with a hammer or press.

What are the different types of Forging processes?

The different types of forging processes include open die forging, closed die forging, and impression die forging.

What is a Casting process?

Casting is a process in which a liquid material, such as metal, is poured into a mold and allowed to solidify to form a desired shape.

What are the different types of Casting processes?

The different types of casting processes include sand casting, investment casting, die casting, and more.

What is a Extrusion process?

Extrusion is a process in which a material is forced through a die to form a continuous shape, such as a rod, tube, or profile.

What is a Sheet Metal process?

Sheet metal is a process of manufacturing products from flat metal sheets by cutting, bending, and assembling the sheets into the desired shape.

What is a Wire Drawing process?

Wire drawing is a process in which a wire is pulled through a series of dies to reduce its diameter and increase its length.

What is a Powder Metallurgy process?

Powder metallurgy is a process in which metal powders are compacted and then subjected to heat to produce a final product.

What is a Heat Exchanger?

A heat exchanger is a device used to transfer heat from one fluid to another.

What are the different types of Heat Exchangers?

The different types of heat exchangers include shell and tube heat exchangers, plate heat exchangers, and more.


What is a Lathe Machine?

A lathe machine is a machine tool that rotates a workpiece on its axis to perform various operations such as cutting, sanding, knurling, drilling, and deformation with tools that are applied to the workpiece to create an object with symmetry about an axis of rotation.

What is a Milling Machine?

A milling machine is a machine tool that uses a rotating cutting tool to remove material from a workpiece in a vertical or horizontal direction.

What is a Drilling Machine?

A drilling machine is a machine tool that uses a rotating cutting tool to create a hole in a workpiece.

What is a Shaping Machine?

A shaping machine is a machine tool that uses a reciprocating tool to cut material from a workpiece in a linear motion.

What is a Planer Machine?

A planer machine is a machine tool that uses a single-point cutting tool to remove material from a workpiece in a linear motion to produce a flat surface.

What is a Grinding Machine?

A grinding machine is a machine tool that uses an abrasive wheel to remove material from a workpiece to produce a smooth surface.

What is a Sawing Machine?

A sawing machine is a machine tool that uses a rotating or reciprocating blade to cut material.

What is a Punching Machine?

A punching machine is a machine tool that uses a punch and die to cut or shape material.

What is a Bending Machine?

A bending machine is a machine tool that uses a punch and die to bend material.

What is a Rolling Machine?

A rolling machine is a machine tool that uses a pair of rolls to form or shape material by passing it through a pair of rolls.

What is a Welding process?

Welding is a fabrication process that joins two or more pieces of metal by heating the surfaces to the point of melting and then allowing them to cool and fuse together.

What are the different types of Welding processes?

The different types of welding processes include arc welding, gas welding, resistance welding, and more.

What is TIG Welding?

TIG welding is a welding process that uses a tungsten electrode to produce an electric arc that heats the metal and creates a weld.

What is MIG Welding?

MIG welding is a welding process that uses a continuous wire feed as the electrode and a shielding gas to protect the weld from contamination.

What is Stick Welding?

Stick welding is a welding process that uses a consumable electrode to produce an electric arc that heats the metal and creates a weld.

What is Gas Welding?

Gas welding is a welding process that uses a flame to heat the metal and create a weld.

What is Resistance Welding?

Resistance welding is a welding process that uses an electric current and pressure to heat the metal and create a weld.

What is a Brazing process?

Brazing is a metal joining process that uses a filler metal with a melting point higher than 450°C but lower than the base metal to join two pieces of metal.

What is a Soldering process?

Soldering is a metal joining process that uses a filler metal with a melting point lower than 450°C to join two pieces of metal.

What is a Annealing process?

Annealing is a heat treatment process in which a material is heated and then cooled at a controlled rate to improve its mechanical, electrical, or other properties.

What is the purpose of Hardening?

Hardening is a heat treatment process that is used to increase the hardness and strength of a material by rapidly cooling it from a high temperature.

What is Tempering?

Tempering is a heat treatment process that is used to reduce the brittleness of a material by heating it to a temperature below its critical point and then cooling it at a controlled rate.

What is Normalizing?

Normalizing is a heat treatment process that is used to refine the grain structure of a material by heating it to a temperature above its critical point and then cooling it at a rate that is slower than the cooling rate for annealing.

What is Case Hardening?

Case hardening is a heat treatment process that is used to increase the hardness and wear resistance of the surface of a material while maintaining its toughness and ductility in the core.

What is Carburizing?

Carburizing is a heat treatment process that is used to increase the carbon content in the surface of a low-carbon steel, which results in a harder and more wear-resistant surface.

What is Nitriding?

Nitriding is a heat treatment process that is used to increase the hardness and wear resistance of the surface of a material by introducing nitrogen into the surface.

What is Induction Hardening?

Induction hardening is a heat treatment process that uses an induction heating process to heat the surface of a material to a high temperature and then rapidly cool it to increase its hardness.

What is Flame Hardening?

Flame hardening is a heat treatment process that uses a flame to heat the surface of a material to a high temperature and then rapidly cool it to increase its hardness.

What is Shot Peening?

Shot peening is a surface treatment process that uses small spherical media to apply compressive stresses to the surface of a material to improve its fatigue strength and resistance to wear.

What is Sand Blasting?

Sand blasting is a surface treatment process that uses abrasive material to remove surface contaminants and roughness and create a uniform, smooth surface on a material.

What is Lathe Machine?

Lathe machine is a machine tool that is used to shape and form metal and other materials by rotating the workpiece against a cutting tool.

What is Milling Machine?

Milling machine is a machine tool that is used to remove material from a workpiece by rotating a cutting tool against the workpiece.

What is Drilling Machine?

Drilling machine is a machine tool that is used to make holes in a workpiece by rotating a cutting tool against the workpiece.

What is Shaping Machine?

Shaping machine is a machine tool that is used to shape and form metal and other materials by cutting material away from the workpiece with a reciprocating cutting tool.

What is Planing Machine?

Planing machine is a machine tool that is used to plane and smooth metal and other materials by cutting material away from the workpiece with a reciprocating cutting tool.

What is Slotting Machine?

Slotting machine is a machine tool that is used to cut slots or grooves into metal and other materials by rotating a cutting tool against the workpiece.

What is Grinding Machine?

Grinding machine is a machine tool that is used to remove material from a workpiece by abrading it with a rotating grinding wheel.

What is Sawing Machine?

Sawing machine is a machine tool that is used to cut metal and other materials by rotating a cutting tool against the workpiece.

What is Punching Machine?

Punching machine is a machine tool that is used to punch holes in a workpiece by applying force to a punching tool that is guided through the workpiece.

What is Bending Machine?

Bending machine is a machine tool that is used to bend metal and other materials by applying force to a workpiece that is supported by a die and punch.

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