Kaushal Vikas Class 9 Chapter 8 Solutions Additional Vocations - #NCSOLVE 📚

Referring to Kaushal Vikas Class 9 Solutions and Class 9 Vocational Education Chapter 8 Question Answer Additional Vocations regularly can make homework and revision more manageable.

Class 9 Vocational Education Chapter 8 Question Answer

Kaushal Vikas Class 9 Chapter 8 Question Answer

Activity 1: Sheet Metal Product Making

Purpose
This activity helps students understand the complete process of sheet metal work from design to finishing. It develops skills in measurement, cutting, forming and safe use of tools.

Materials Required
Gi or aluminium sheet, cardboard, tin snips, hammer, rivets, files, a measuring scale, marking pen, drill, safety gloves, and an apron

Procedure (Steps to Follow)

• Choose a simple sheet metal product to make, such as a small dustpan or a chalk box.
• Draw a simple sketch of the product with dimensions on paper.
• Make a cardboard prototype to check the shape, folds and joints before cutting the metal.
• Mark the measurements on the metal sheet using a scriber. Cut carefully using tin snips.
• Shape the metal by bending, folding and hammering. Join parts using rivets if needed.
• Smooth all edges using a file or grinder. Apply colour or coating to finish the product.
• Check the product for accurate dimensions, smooth edges and strong joints.

Question 1.
What is meant by the term ‘gauge’ in sheet metal work?
Answer:
Gauge refers to the thickness of a metal sheet. Different gauges are used for different products such as thinner gauges for light items and thicker gauges for heavy-duty work.

Question 2.
Why is it important to make a cardboard prototype before cutting the metal sheet?
Answer:
A cardboard prototype helps the worker check the shape, folds, and joints of the product before using the actual metal. This avoids costly mistakes and wastage of the metal sheet.

Question 3.
Name any two tools used for cutting sheet metal.
Answer:
The two tools used for cutting sheet metal are Tin Snips and Hacksaw.

Question 4.
What is the meaning of ‘burr’?
Answer:
A burr is the sharp, unwanted edge that is left on the metal sheet after it has been cut.

Question 5.
State any one safety rules that must be followed while doing sheet metal work.
Answer:
Always wear safety gloves, goggles, ear plugs, and an apron.

Class 9 Kaushal Vikas Chapter 8 Question Answer

Activity 2: Plumbing Task

Purpose
This activity introduces students to the basics of plumbing. It helps them understand pipe systems, fittings and how water flows through a network of pipes by observing or performing a simple plumbing task

Materials Required
Pipes (PVC, GI or CPVC), pipe fittings such as elbows, couplings, taps, a pipe wrench, pipe cutter, thread seal tape, a measuring tape, a bucket, safety gloves and goggles

Procedure (Steps to Follow)

• Visit a plumber at work in schoot, home or the community. Observe the tools and materials being used.
• Choose a simple and safe task such as observing how a leaking tap is fixed or how pipes are joined.
• Draw a simple sketch of the pipe layout observed, showing pipes, joints and fixtures.
• Note the type of pipes and fittings used and their purpose.
• Observe how the plumber checks for leaks after the work is complete.
• Write a short report (5-6 sentences) on what you observed.

Question 1.
Name any two common plumbing tasks.
Answer:
The two common plumbing tasks are fixing a leaking tap and clearing a blocked drain.

Question 2.
What is the purpose of a thread seal tape in plumbing?
Answer:
Thread seal tape is wrapped around the threaded part of a pipe joint before joining. It fills in the tiny gaps in the threads and prevents water from leaking through the joint.

Question 3.
Why must the water supply be shut off before starting any plumbing work?
Answer:
The water supply must be shut off to prevent water from flowing and flooding the work area. This makes the work safer, keeps the area dry, and avoids unnecessary water wastage.

Question 4.
Name any three types of pipes commonly used in plumbing.
Answer:
The three types of pipes commonly used in plumbing are PVC Pipes, Gl (Galvanised Iron) Pipes and CPVC Pipes.

Question 5.
What checks must be done after completing a plumbing job?
Answer:
Joints should be checked for leaks and water flow should be tested.

Activity 3: Food Processing – Making a Simple Product

Purpose
This activity helps students understand the concept of food processing by making a simple food product. It builds awareness of hygiene, safety and the value of preserving food.

Materials Required
Raw food materials (chana, fruits and vegetables), clean water, knives, chopping board, bowls, heating source (if required), drying trays, measuring cups, packaging materials (jars, pouches and labels) and cleaning supplies (soap, cloth and waste bins).

Procedure (Steps to Follow)

• Choose a simple food product such as roasted chana, dried fruits or a simple pickle.
• List all the ingredients needed and check that they are fresh and clean.
• Clean and organise the work area wash all containers, cutting boards and tools before use.
• Wash and prepare the raw ingredients: wash, peel and cut as needed.
• Perform the chosen processing activity roasting, drying or mixing under teacher supervision.
• Check the final product for cleanliness, consistency and taste. Pack it in a clean container and label it.

Question 1.
Which tool is used in food processing to measure quantities of ingredients accurately?
Answer:
A weighing scale or measuring cups are used in food processing to measure quantities of ingredients accurately.

Question 2.
Why is it important to wash hands before handling food?
Answer:
Hands carry germs and bacteria that can transfer to food and make it unsafe to eat. Washing hands with soap and water before handling food removes these germs and prevents food contamination.

Question 3.
What should you add to a finished food product’s container before storing it?
Answer:
You should add a label to the container before storing the finished food product.

Question 4.
What should you check before using raw food materials for processing?
Answer:
Raw food materials should be checked for freshness, cleanliness and damage.

Question 5.
Why should raw and processed food always be kept separate from each other?
Answer:
Raw material and processed food should be kept separate to prevent contamination.

Activity 4: Making a Simple Furniture Item

Purpose
This activity helps students experience the process of furniture making. It develops skills in measurement, cutting, joining and finishing wood, while promoting careful and creative workmanship.

Materials Required
Wood, bamboo, nails, screws, measuring tape, try square, hand saw, chisel, screwdriver, hammer, sandpaper, paint, polish, clamps, safety gloves and goggles.

Procedure (Steps to Follow)

• Choose a simple furniture item to make, such as a small stool, shelf or wooden box.
• Draw a sketch of the item with all dimensions clearly marked.
• Make a cardboard or paper prototype to check shape, joints and stability before cutting wood.
• Select the required materials such as wood, nails or screws, sandpaper and paint or varnish.
• Measure, mark and cut the wood carefully. Assemble parts using nails, screws or glue. „
• Sand the surfaces to make them smooth. Apply paint, polish or varnish to finish the product.

Question 1.
What is meant by ‘seasoned wood’?
Answer:
Seasoned wood is wood that has been dried properly to remove most of its moisture content.

Question 1.
What is meant by ‘seasoned wood’?
Answer:
Seasoned wood is wood that has been properly dried to remove moisture before it is used for making furniture.

Question 2.
Name two methods used to join wood in furniture making.
Answer:
Two methods are using nails and using screws.

Question 3.
Why is a cardboard prototype made before making a furniture item from wood?
Answer:
A cardboard prototype is made to check the size, shape, joints and stability of the furniture before cutting the wood.

Question 4.
What is finishing in furniture making?
Answer:
Finishing is the process of sanding the surface and applying paint, polish or varnish to make the furniture smooth and attractive.

Question 5.
State any one safety precaution to follow during furniture making.
Answer:
Wear safety gloves and goggles while working with tools.

Activity 5. Pottery – Making a Clay Product

Purpose
This activity introduces students to the craft of pottery. It helps them understand the properties of clay, the techniques of shaping and the importance of careful drying and hardening to produce a usable product.

Materials Required
Clay (local or terracotta), water, sand, rolling pin, wire cutter, carving tools, sponges, moulds (if required), drying boards, and apron.

Procedure (Steps to Follow)

• Choose a simple clay product to make, such as a diya, small bowl or tile.
• Collect suitable clay. Knead and wedge it well to remove all air bubbles.
• Draw a simple sketch of your product with dimensions before starting.
• Shape the clay using the pinch method, coil method, slab method or a mould.
• Use slip (clay mixed with water) to join any parts. Maintain even thickness throughout.
• Allow the product to dry slowly in shade. Then strengthen it through sun drying or firing under supervision.
• Smooth the surface, trim edges and decorate using simple textures or natural colours.

Question 1.
Name two common products made from clay.
Answer:
Two common products made from clay are diyas and clay pots.

Question 2.
What is the meaning of wedging?
Answer:
Wedging is the process of kneading clay to remove air bubbles and make it soft and workable.

Question 3.
How is slip used in pottery?
Answer:
Slip is used to join two pieces of clay together.

Question 4.
Name any two techniques used to shape clay in pottery.
Answer:
Two techniques used to shape clay are the pinch method and coil method.

Question 5.
Name the tool specifically used for cutting clay lumps to the required size in pottery.
Answer:
The tool used is a wire cutter.

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