Level 2 Plumbing Flashcards
What is the si unit for temperature
Kelvin
What is a ferrous metal
Iron
What is a none ferrous metal
Copper
What is PVC used for
Cold water mains
Cold water installations
Solvent welded and push fit
Soil and vent pipes
What is MDPE used for
Underground cold water mains (coloured blue)
What is polypropylene used for
Push fit waste and overflow pipe
Cold water storage cisterns
What is polybutylene used for
Push fit hot and cold water installations
Central heating installations
What is ABS used for
Water supply - portable water for apartments, commercial buildings
Solvent welded waste overflow pipes
What is tensile strength
The maximum force a material can withstand when being pulled apart.
What is compressive strength
The maximum force a material can withstand when being crushed
What is shear strength
The maximum force a material can withstand when being ripped
What is malleability
The amount of hammering and shaping a material can withstand without breaking, splitting or cracking
What is elasticity
The length that a material can be stretched and return to its original length when released
What is heaviness
The denseness of a material
What is strength
The measure of how materials withstand heavy loads without breaking
What is H20 + CO2
Carbonic acid
What is H20+SO3
Sulphuric acid
What is Fibre class used for
Baths and shower trays
What is heat and electrical conductivity
The measure of how well a material conducts heat or electricity
What is torsion
The maximum force a material can withstand when being twisted
What PH dose water have
7
What is LPG
It’s a flammable gas that is heavier than most air
What is a property of propane
It’s boiling point is -45 c
What is water at 0c
Ice
What is water at 100c
Steam
What is water at room temperature
Liquid
What is a good conductor of heat and energy
Copper
What is conduction
When heat moves from one object to the other
What is the unit of power measured in
Watts
What is the unit of energy measured in
Joules
What is heat measured in
KELVIN
What is specific heat capacity
Amount of heat required to change a units mass of the substance by one degree
What is it called when water is turned to steam
Evaporation
What is it called when water is turned into a gas
Condensation
What is two properties of a gas particle
They are randomly moving and not joined together
What are the properties of a solid particle
They vibrate and are close together
What are two properties of a liquid
Bunched and moving particles
What is it called when water is turned into ice
Solidification
What temperature dose water boil at
100 c
What are sinks made from
Ceramics
