International System of Units (SI) and Derived Units

What is the base SI unit for length?

• Inch

• Foot

• Metre

• Yard

Why are SI units important in construction?

• They are cheaper

• They are easier to use

• They ensure consistent and recognized measurements globally

• They are traditional.

What is the symbol for the base SI unit of electric current?

• V

• A

• O

• W

Which SI unit measures 'Pressure'?

• Joule

• Bar

• Kelvin

• Second

What is the abbreviation for the SI unit 'Newton'?

• N

• W

• L

• m

The abbreviation 'Lux' stands for which SI unit?

• Illuminance

• Metre

• Newton

• Litre

What does 'cd' stand for in SI units?

• Candela

• Litre

• Metre

• Watt

Which SI unit is used for measuring Illumination?

• Lux

• Newton

• Watt

• Litre

If a room is 10m long and 10m wide, what is its area?

• 10m²

• 100m²

• 1000m²

• 10m³

Which of the following is not a derived unit?

• m²

• m³

• l/s

• Meter