Scientific Principles 6035-02 | Part 1

Water is at its maximum density at what temperature?

• 100°C

• 4°C

• 25°C

• 0°C

The pascal can be expressed in units of:

• Kg/m³

• Kg/L

• N/m²

• N/Kg

A non-ferrous metal is a metal that does not contain:

• Aluminium

• Nickel

• Copper

• Iron

Which of the following is NOT a 'Pure Metal'?

• Lead

• Zinc

• Brass

• Copper

Ferrous metals are magnetic and if not treated will:

• Shrink

• Expand

• Corrode

• Lose it magnetic effect

Which of the following has the highest coefficient of linear expansion?

• Low Carbon Steel

• Copper

• PVCu

• Lead

A mixture of two or more metals is known as:

• Alloy metals

• Ferrous metals

• Non-ferrous metals

A copper and zinc mix make what alloy metal?

• Aluminium

• Bronze

• Brass

• Steel

A carbon and iron mix make what alloy metal

• Aluminium

• Bronze

• Brass

• Steel

Which of these thermoplastics do NOT degrade in sunlight?

• MDPE

• PVCu

• Polypropylene

• ABS