Unit 113 Plumbing Science PPT1

​Identify why we need Science as a Plumber

Open Ended

Why is it important for plumbers to understand and use different forms of measurement in their work?

Multiple Choice

Which of the following tasks would most likely require a plumber to use measurement skills?

• Ordering materials for a job

• Reading a novel

• Cooking a meal

• Driving a car

Open Ended

Why is it important for plumbers to be able to interpret and measure items accurately from a drawing or plan?

Multiple Select

Which of the following properties do plumbers need to be able to measure and calculate as stated in manufacturer’s instructions?

• Length

• Area

• Volume

• Flow rates

Multiple Choice

What could happen if each country had a different idea of how long a metre is or how much liquid there is in a litre?

• It would be difficult to communicate measurements accurately.

• It would make international trade easier.

• It would have no effect on daily life.

• It would improve scientific research.

Multiple Choice

What is the international system of units for measuring different properties in the UK and Europe called?

• Imperial units

• Customary units

• Standards Institute (SI) units

• Metric units

Multiple Choice

From the SI unit for length, which of the following can be derived?

• Millimeter

• Centimeter

• Kilometer

• All of the above

Multiple Choice

What does the prefix 'milli' in 'millimeter' mean?

• 1000th of a unit

• 100th of a unit

• 10th of a unit

• 1st of a unit

Multiple Select

Which of the following statements about metric length units are correct?

• There are 1000 millimeters in one meter.

• There are 100 centimeters in one meter.

• There are 10 millimeters in one centimeter.

• There are 1000 meters in one kilometer.

Open Ended

Explain the difference between how a steel rule and a tape measure are typically used by plumbers.

Multiple Choice

What should you be careful about when using steel rules and tape measures?

• They may show metric and imperial measurements on different sides.

• They are always accurate.

• They only show metric measurements.

• They only show imperial measurements.

Multiple Choice

Which tools can be used to measure longer or less accurate distances?

• Site tape or laser

• Steel rule

• Tape measure

• Caliper

Multiple Choice

Which of the following best describes the difference between mass and weight as explained in the slides?

• Mass is the amount of substance, while weight is mass affected by gravity.

• Mass is measured in kilograms, while weight is measured in seconds.

• Mass and weight are the same in everyday language.

• Weight is the amount of substance, while mass is affected by gravity.

Open Ended

Explain why accurate timing is important in plumbing tests and flow rate measurements.

Multiple Choice

Which of the following statements about electrical power and energy is correct?

• Watts are the unit of power for an appliance.

• Joules are the unit of electrical energy.

• Electricity bills are measured in kilowatt hours.

• Ohms are the unit of electrical power.

Multiple Select

Which of the following are correct units and their corresponding quantities as described in the slides?

• Ampere - Current

• Ohm - Resistance

• Watt - Power

• Joule - Voltage

Multiple Choice

Which of the following best describes the relationship between watts, amps, and volts in electrical current?

• Watts = Amps × Volts

• Watts = Volts / Amps

• Amps = Volts × Watts

• Volts = Watts × Amps

Open Ended

Explain how the Kelvin scale is used to measure temperature and why absolute zero is significant.

Multiple Choice

Which temperature scale is most commonly used in the building trade, and what is the freezing point on this scale?

• Kelvin, 0K

• Celsius, 0°C

• Fahrenheit, 32°F

• Rankine, 0°R

Multiple Select

Select all statements that are correct about the boiling and freezing points of water and absolute zero.

• Boiling point of water is 373K or 100°C

• Freezing point of water is 273K or 0°C

• Absolute zero is 0K or -273°C

• Boiling point of water is 273K or 0°C

Open Ended

Compare and contrast the use of a thermocouple and an infrared thermometer for measuring temperature.

Multiple Choice

Plumbers often refer to measurements when setting up appliances, ordering materials, or describing installations. Which of the following is NOT a reason plumbers need to use measurements?

• To ensure accurate installation of appliances

• To order the correct amount of materials

• To improve the aesthetic design of a building

• To describe the details of an installation