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WorksheetsUnit 238 Small Plumbing repairs Calcs and defects
Total questions: 10
Worksheet time: 5mins
What is caused by the continual impact of water
Corrosion
Erosion
Corruption
Rust
What is caused when you apply a mixture of water and oxygen to a metal.
Corrosion
Erosion
corruption
Oxidisation
What maintenance do you need to do to Cast Iron guttering to stop corrosion
Polishing
Scraping
Painting
Washing
Weathering can happen because of Rain and Wind to plumbing fittings outside.what other type of weathering can occur
Rain
Wind
UV Light
Moon light
What colour is underground Drainage pipe
Black
Yellow
Blue
Brown
where does Ultra violet light come from.
Sun light
Moon light
Artificial light
Radiation
what might be a sign of not enough BTUs being calculated for.
Poor water pressure in the system
A blocked system
The room not heating up to room temperature with Hot radiators
Heating not coming on
Which element of poor workmanship would cause sagging in pipework
Too much fall
Insufficient pipe clipping
Not enough fall
Too much water
What is the formula for finding the area of a square in metres square.
H X L X W
H X W
H X H
L X W
What is the formula for finding the volume of a room in Metres cubed
H X W X L
W X W
L X W
W X H
