What does SI stand for in the context of units of measurement?

• System of International Units

• Standardized International

• Scientific Instruments

• System of Indicators

Which of the following is not one of the seven base SI units?

• Second

• Gram

• Metre

• Kelvin

What is the most widely used temperature scale in the building services industry?

• Fahrenheit

• Kelvin

• Celsius

• Rankine

What is the SI derived unit for measuring the area of a floor space?

• m2

• m

• cm

• km

What is the volume of the room if the dimensions are 4m x 3m x 2.4m?

• 28.8m3

• 30m3

• 25.2m3

• 32m3

What is the metric unit of capacity used in plumbing to measure the volume of water?

• Gallon

• Litre

• Pint

• Quart

At what temperature does water have a maximum density?

• 40°C

• 25°C

• 100°C

• 0°C

What is the unit of measurement for velocity?

• m/h

• km/s

• km/h

• m/s

What is the equivalent of 1 bar in kilopascals (kPa)?

• 10000 kPa

• 10 kPa

• 100 kPa

• 1000 kPa

What is the type of thread used to joint low carbon steel pipes?

• British Standard Pipe Thread

• Metric Thread

• Standard Thread

• Imperial Thread