Copy of 7202 113 PowerPoint 1 Measurements

Multiple Choice

Which of the following is NOT a situation where a plumber would need to use measurement?

• Referring to technical drawings

• Ordering plumbing materials

• Describing an installation

• Choosing a color for the bathroom walls

Multiple Choice

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

• To ensure correct installation and avoid errors

• To make drawings look neat

• To impress clients

• To reduce the cost of materials

Multiple Select

Which of the following are base SI units used by plumbers?

• meter

• kilogram

• second

• ampere

Multiple Choice

How many millimeters are there in one meter?

• 100

• 10

• 1000

• 10000

Multiple Choice

Which of the following is true about the metric prefixes used in measurement?

• 'Milli' means 1000th of a unit, and 'centi' means 100th of a unit.

• 'Milli' means 100th of a unit, and 'centi' means 1000th of a unit.

• 'Milli' means 10th of a unit, and 'centi' means 100th of a unit.

• 'Milli' means 1000th of a unit, and 'centi' means 10th of a unit.

Multiple Select

Which tools are suitable for measuring longer or less accurate distances? Select all that apply.

• Steel rule

• Tape measure

• Site tape

• Laser meter

Multiple Choice

Which of the following correctly describes the difference between mass and weight?

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

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

• Mass is always greater than weight.

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

Multiple Choice

Which of the following statements about voltage, current, and resistance is correct?

• Voltage causes electrons to flow; current is the flow of electrons; resistance opposes the flow.

• Current causes voltage to increase; resistance is measured in volts.

• Resistance is the unit of electrical energy; voltage is measured in amps.

• Voltage is the unit of power; current is measured in ohms.

Multiple Choice

Which of the following units are correctly matched with their physical quantity?

• Ampere - Electrical current

• Ohm - Voltage

• Watt - Electrical energy

• Joule - Power

Multiple Choice

Which of the following best describes the relationship between watts, amps, and volts as shown in the triangle diagram?

• Watts = Amps × Volts

• Watts = Amps + Volts

• Watts = Amps / Volts

• Watts = Volts / Amps

Multiple Select

Which of the following statements are true about the Kelvin temperature scale?

• Kelvin is used to measure scientific temperature.

• Kelvin has a zero point called absolute zero.

• Kelvin is commonly used in building trade.

• Kelvin reflects the degree of hotness or coldness.

Multiple Choice

What is the boiling point of water in both Kelvin and Celsius scales?

• 373K and 100°C

• 273K and 0°C

• 0K and -273°C

• 173K and -100°C

Multiple Choice

Why is measurement important in plumbing science?

• To ensure accurate installation and setup of appliances

• To make plumbing work faster

• To avoid using any tools

• To reduce the cost of materials