WorksheetsDesign Tech Quiz
Total questions: 15
Worksheet time: 8mins
Which of the following materials is commonly used for making electrical insulators?
Copper
Plastic
Aluminium
Steel
What is the primary advantage of using composite materials in manufacturing?
Low cost
High strength-to-weight ratio
Easy to recycle
High electrical conductivity
Which manufacturing process involves shaping metal by heating it and then hammering it into shape?
Casting
Forging
Extrusion
Injection moulding
What is the main characteristic of thermosetting plastics?
They can be remoulded multiple times
They soften when heated
They harden permanently after being heated once
They are biodegradable
Which of the following is a non-ferrous metal?
Iron
Steel
Aluminium
Cast iron
What is the purpose of annealing in metalworking?
To harden the metal
To make the metal more brittle
To soften the metal and relieve internal stresses
To coat the metal with a protective layer
Which material is known for its excellent thermal conductivity?
Wood
Plastic
Copper
Rubber
What is the main advantage of using Computer Numerical Control (CNC) machines in manufacturing?
Lower initial cost
Increased manual labour
High precision and repeatability
Limited to simple shapes
Which of the following is a characteristic of high carbon steel?
High ductility
High hardness
Low tensile strength
High electrical conductivity
What is the primary use of a lathe machine in manufacturing?
Cutting flat surfaces
Drilling holes
Shaping cylindrical objects
Welding metal parts
Which of the following materials is commonly used for making cutting tools?
Mild steel
High-speed steel
Aluminium
Brass
What is the main purpose of using a jig in manufacturing?
To hold the workpiece in place
To measure dimensions
To apply a protective coating
To heat the material
Which of the following is a property of ceramics?
High electrical conductivity
High thermal conductivity
High brittleness
High ductility
What is the main advantage of using additive manufacturing (3D printing)?
High material waste
Limited design flexibility
Ability to create complex shapes
High production speed
Which of the following processes is used to join two metal parts by melting and fusing them together?
Soldering
Welding
Brazing
Riveting
