Joining Techniques in Design and Technology: Master the Art of Joining Materials

Question 1

What is the primary purpose of a screw thread?

Accepted Answer

To hold two materials together securely

Answer

To prevent materials from moving

Answer

To create a seal

Answer

To adjust the position of a material

Question 2

What is the main difference between a bolt and a screw?

Accepted Answer

Bolts have a nut, while screws do not

Answer

Screws have a head, while bolts do not

Answer

Bolts are larger than screws

Answer

Screws are made of stronger materials than bolts

Question 3

What is the main purpose of a tack weld?

Accepted Answer

To hold two pieces of material together temporarily

Answer

To create a permanent bond between two pieces of material

Answer

To smooth out the edges of two pieces of material

Answer

To adjust the position of two pieces of material

Question 4

Which joining technique is most suitable for permanently bonding two pieces of wood together?

Accepted Answer

Gluing

Answer

Welding

Answer

Screwing

Answer

Nailing

Question 5

What type of weld is formed by melting and fusing the edges of two metal pieces together?

Accepted Answer

Butt weld

Answer

Edge weld

Answer

Spot weld

Answer

TIG weld

Question 6

Which joining technique is most appropriate for creating a temporary connection between two objects?

Accepted Answer

Clamping

Answer

Gluing

Answer

Welding

Answer

Screwing

Question 7

What is the process called for cleaning and preparing metal surfaces before welding?

Accepted Answer

Fluxing

Answer

Annealing

Answer

Tempering

Answer

Quenching

Question 8

Which of the following is NOT a type of adhesive?

Accepted Answer

Weld

Answer

Epoxy

Answer

Superglue

Answer

Hot melt

Question 9

When welding two pieces of metal, what is the function of the flux?

Accepted Answer

To remove impurities

Answer

To add strength to the joint

Answer

To melt the metal

Answer

To protect against rust

Question 10

Which type of screw is best suited for joining thin metal sheets?

Accepted Answer

Self-tapping screws

Answer

Wood screws

Answer

Machine screws

Answer

Hex bolts

Question 11

What is a key advantage of using mortise and tenon joints?

Accepted Answer

Exceptional strength and durability

Answer

Ease of assembly and disassembly

Answer

Aesthetically pleasing appearance

Answer

Compatible with all types of wood

Question 12

What is the primary purpose of a dowel joint?

Accepted Answer

To align and secure two pieces of wood

Answer

To establish a strong and permanent bond

Answer

To allow for effortless disassembly

Answer

To enhance the visual appeal of the joint

Question 13

Which factor is NOT crucial when selecting an adhesive for a specific application?

Accepted Answer

Cost

Answer

Compatibility with the materials

Answer

Load requirements

Answer

Environmental conditions

Question 14

Which factor is NOT relevant when evaluating the strength of a screwed joint?

Accepted Answer

Age of the wood

Answer

Type of screw

Answer

Length of screw

Answer

Diameter of screw

Question 15

When gluing two surfaces together, it is important to:

Accepted Answer

Apply glue to both surfaces and clamp the joint securely

Answer

Only apply glue to one surface and leave the joint undisturbed

Answer

Sand the surfaces before gluing and then clamp the joint

Answer

Apply glue to both surfaces, clamp the joint, and then leave it undisturbed

Question 16

Which type of welding is best suited for joining thin metal sheets because it produces a precise and clean weld?

Accepted Answer

TIG welding

Answer

Arc welding

Answer

MIG welding

Answer

Spot welding

Question 17

Which joining technique is most suitable for attaching a metal bracket to a wooden surface?

Accepted Answer

Screwing and gluing

Answer

Gluing alone

Answer

Screwing alone

Answer

Welding

Question 18

Which of the following factors does NOT affect the strength of a glued joint?

Accepted Answer

Temperature of the environment

Answer

Type of glue used

Answer

Surface preparation

Answer

Clamping pressure

Question 19

What is the primary difference between arc welding and TIG welding?

Accepted Answer

Arc welding uses a consumable electrode, while TIG welding does not

Answer

TIG welding is suitable for thicker metals than arc welding

Answer

Arc welding produces a cleaner weld than TIG welding

Answer

TIG welding is less expensive than arc welding

Question 20

Which of the following is **not** a common joining technique?

Accepted Answer

Painting

Answer

Gluing

Answer

Welding

Answer

Soldering

Question 21

Which of the following adhesives is **best suited** for bonding wood?

Accepted Answer

Polyurethane

Answer

Epoxy

Answer

Superglue

Answer

Contact cement

Question 22

What is the **primary advantage** of using a dovetail joint?

Accepted Answer

Strong and durable

Answer

Easy to assemble

Answer

Water-resistant

Answer

Aesthetically pleasing

Question 23

Which of the following is a **disadvantage** of using screws as a joining technique?

Accepted Answer

Can weaken the material

Answer

Difficult to remove

Answer

Expensive

Answer

Time-consuming

Question 24

Which of the following factors **does not affect** the strength of a welded joint?

Accepted Answer

Colour of the weld

Answer

Type of weld

Answer

Skill of the welder

Answer

Thickness of the metal

Question 25

What type of adhesive should be used for bonding **plastic to metal**?

Accepted Answer

Epoxy

Answer

Superglue

Answer

Hot melt

Answer

Contact cement

Question 26

Which welding joint is used to join two thin metal pieces at a right angle?

Accepted Answer

T-Joint

Answer

Butt Joint

Answer

Edge Joint

Answer

Lap Joint

Question 27

Which method of joining is NOT commonly used in design and technology?

Accepted Answer

Knitting

Answer

Gluing

Answer

Welding

Answer

Screwing

Question 28

What is the primary advantage of welding over gluing?

Accepted Answer

Stronger bond

Answer

Faster curing time

Answer

More versatility

Answer

Easier to apply

Question 29

Which type of screw is commonly used to join wood?

Accepted Answer

Phillips head screw

Answer

Hex head screw

Answer

Robertson head screw

Answer

Torx head screw

Question 30

What is the process called when metal pieces are permanently joined using heat?

Accepted Answer

Welding

Answer

Brazing

Answer

Soldering

Answer

Riveting

Question 31

Which tool is specifically designed to cut and shape metal sheets?

Accepted Answer

Tin snips

Answer

Drill

Answer

Saw

Answer

Hammer

Question 32

Why is it crucial to clean and prepare metal surfaces before welding?

Accepted Answer

To eliminate dirt, grease, and impurities that could weaken the weld

Answer

To enhance the appearance of the metal surfaces

Answer

To prevent corrosion on the metal

Answer

To enlarge the surface area for a stronger bond

Question 33

Which type of adhesive is specifically designed for bonding wood materials?

Accepted Answer

Wood glue

Answer

Contact cement

Answer

Super glue

Answer

Epoxy adhesive

Question 34

Which type of screw is self-threading and suitable for joining thin metal sheets without pre-drilling?

Accepted Answer

Self-tapping screw

Answer

Hex bolt

Answer

Machine screw

Answer

Wood screw

Question 35

Which of the following materials is generally not considered suitable for bonding with adhesives?

Accepted Answer

Polyethylene

Answer

Wood

Answer

Paper

Answer

Metal

Question 36

What is the primary purpose of using flux in soldering?

Accepted Answer

Cleans metal surfaces and improves solder flow

Answer

Protects metal surfaces from corrosion

Answer

Acts as a lubricant to reduce friction

Answer

Strengthens the solder joint

Question 37

Which of the following is NOT a type of gluing technique?

Accepted Answer

Soldering

Answer

Lamination

Answer

Adhesion

Answer

Bonding

Question 38

What is the main advantage of welding over gluing?

Accepted Answer

Creates a stronger and more durable joint

Answer

More aesthetically pleasing

Answer

Less expensive

Answer

Faster and easier to apply

Question 39

Which type of screw is specifically designed for joining wood?

Accepted Answer

Wood screw

Answer

Machine screw

Answer

Lag bolt

Answer

Self-tapping screw

Question 40

What is the purpose of countersinking a screw?

Accepted Answer

To create a recessed area for the screw head below the surface

Answer

To prevent the screw from wobbling

Answer

To create a decorative effect

Answer

To enlarge the screw hole

Question 41

What is the initial step in the gluing process?

Accepted Answer

Prepare the surfaces to be joined by removing dirt or debris

Answer

Clamp the joint together

Answer

Apply glue to both surfaces

Answer

Allow the glue to dry

Question 42

What is the primary benefit of using a pilot hole when screwing?

Accepted Answer

Reduces the risk of splitting the wood by providing a guide for the screw

Answer

Prevents the screw from wobbling

Answer

Makes screwing easier

Answer

Ensures a stronger joint

Question 43

Which of the following is a disadvantage of gluing?

Accepted Answer

Can require a significant amount of time for the glue to set and reach full strength

Answer

Strong and durable

Answer

Versatile and easy to use

Answer

Cost-effective

Question 44

When two pieces of wood are joined end-to-end, what type of joint is formed?

Accepted Answer

Butt joint

Answer

Mortise and tenon joint

Answer

Miter joint

Answer

Dovetail joint

Question 45

What is a key advantage of using a dovetail joint?

Accepted Answer

Its strength and durability

Answer

Its ease of assembly

Answer

Its aesthetic appeal

Question 46

Which type of screw is best suited for attaching wood to metal?

Accepted Answer

Self-tapping screw

Answer

Drywall screw

Answer

Machine screw

Answer

Wood screw

Question 47

What is the primary purpose of using a jig when drilling holes?

Accepted Answer

To ensure accuracy and consistency

Answer

To mark the drilling location

Answer

To speed up the process

Answer

To protect the workpiece

Question 48

Which of the following is a disadvantage of brazing?

Accepted Answer

It requires high temperatures

Answer

It produces aesthetically pleasing joints

Answer

It forms strong and durable joints

Answer

It creates corrosion-resistant joints

Question 49

Which type of joint is commonly used to connect two pipes at a right angle?

Accepted Answer

Tee joint

Answer

Butt joint

Answer

Lap joint

Question 50

What is the primary function of a flux in soldering?

Accepted Answer

To remove oxides and impurities

Answer

To improve electrical conductivity

Answer

To strengthen the joint

Answer

To prevent corrosion