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WorksheetsEnd of course exam 3
Total questions: 20
Worksheet time: 11mins
List the 2 different methods of joining LCS ?
Push-fit
Compression
Soldering
Threading
State the 2 common sizes of LCS
22mm
33mm
1/2 inch
3/4 inch
What is the horizontal clip spacing distance for 1/2inch LCS
1.8mtrs
2.4mtrs
18mtrs
1mtr
What is the vertical clipping distance for 3/4 inch LCS
1.8mm
3000mm
2400mm
1000mm
What colour code is it for medium grade LCS
Brown
Blue
Red
Yellow
Name 2 sources of water?
River
Sea
Drain
Shallow well
What type of is this ?
High pressure
Low pressure
What type of taps are these's ?
Bi-flow
Bath taps
Low pressure
Bib taps
What type of valve is this ?
Portsmouth
Plymouth
Bi-flow
Bicester
What type of valve is this ?
Plymouth
Portsmouth
Equilibrium
Torbeck
What is Planned preventative maintennance ?
Working on breakdowns
Regular checking of appliances
A 24 hour call out service
The installation of hot and cold supplies
What is unplanned maintenance ?
Working on breakdowns
Regular checking of taps .
The installation of hot and cold supplies
Yearly gas boiler service
What word is used to describe the quality of water ?
Pure
Drinking
Wholesome
Which one of the properties of water is shown by its pH value?
It’s degree of acidity or alkalinity.
It’s electrical conductivity
The amount of heat it contains.
It’s heat conductivity
Capillary action in liquids may occur between two close fitting surfaces ?
When the surfaces are in a horizontal or vertical position
Only when the surfaces are at an angle of 45 degrees
Only when the surfaces are at an angle of less than 30 degrees
Only when the surfaces are in a horizontal position
What type of water will you find difficult to Lather ?
Hard water
Temporary hard water
Soft water
Temporary soft water
What water temperature would you expect to find in the middle of the cylinder ?
55°c
60°c
45°c
50°c
At 100°c water turns to ?
A solid
A liquid
A gas
Steel fittings are ?
Malleable
Ductile
Insulator
Hard
Given that all holes have the same diameter, the water pressure is greatest at hole ?
A
B
C
D
