Introduction to Metal Work Techniques

What is the primary metal used in the production of steel?

• Aluminium

• Iron

• Copper

• Zinc

Which tool is commonly used to measure the thickness of a metal sheet?

• Vernier caliper

• Micrometer

• Ruler

• Protractor

What is the process of heating and cooling metal to change its properties called?

• Welding

• Annealing

• Casting

• Forging

Which of the following is a non-ferrous metal?

• Steel

• Cast iron

• Aluminium

• Wrought iron

What is the unit of measurement for the hardness of a metal?

• Newton

• Pascal

• Mohs

• Rockwell

Which metal is known for its excellent electrical conductivity?

• Lead

• Copper

• Tin

• Nickel

What is the term for the resistance of a metal to deformation?

• Ductility

• Malleability

• Hardness

• Toughness

Which process involves joining two pieces of metal by melting them together?

• Soldering

• Welding

• Brazing

• Riveting

What is the main advantage of using alloys over pure metals?

• Lower cost

• Improved properties

• Easier to recycle

• Lighter weight

Which of the following metals is most commonly used in the aerospace industry due to its strength-to-weight ratio?

• Titanium

• Gold

• Silver

• Lead