Level 1 Plumbing Science

What is This?

• Emersion Heater

• Digital Thermometer

• Temperature Probe

• Thermostatic Thermometer

When water turns to steam it expands by how much?

• 1000 times

• 10%

• 4%

• 1600 times

Calculate how many square meters the room is from the diagram (left).

(a)  

On the Ph Scale 1 to 5 is classed as what?

• Alkaline

• Neutral

• Acid

• Soft

Moisture + ? + iron = Rust

• Oxygen

• Carbon Dioxide

• Hydrogen

• Helium

When two surfaces are close fitting water will get drawn up due to what?

(a)  

Which of the following metals are non-ferrous

• Brass

• Steel

• Low Carbon Steel

• Copper

Brass is an alloy made up from which of the following?

• Copper & Tin

• Iron & Carbon

• Copper & Zinc

• Tin & Zinc

Which type of thermosetting plastic can be used for hot, cold and central heating pipework?

• Polypropylene

• Polybutylene

• Copper

• PVCu

Material that can be hammered, bossed, rolled or pressed into shape without breaking is known as what.

• Strong

• Pliant

• Ductile

• Malleable