Worksheets9189 P1 Hot water
Total questions: 16
Worksheet time: 8mins
Which of these is NOT a key factor when designing a hot water system
Number of outlets
Type of fuel
Running costs and efficiently
Water pressure
water hardness or softness
What is the correct description of a centralised hot water system
Hot water is delivered from a central point to all HW outlets in the building
Hot water is delivered form a point close to the appliance and only supplies that appliance
What building regulation approved document covers hot water safety and water efficiently
G
F
H
A
What regulation covers insulation and performance of Hot water cylinders
Approved document L1
Approved document G3
water regulations 1999
Approved documents P
This picture shows?
A direct cylinder
An Indirect cylinder
A combination Cylinder
A prismatic cylinder
What is the max temperature of water on a bath in a new build home?
43
60
48
38
An electric shower is a form of?
Direct single point hot water
Indirect single point hot water
Indirect multi point hot water
Direct multi point hot water
A hot water cylinder connected to the main water supply is know as a?
Unvented cylinder
Indirect cylinder
Direct cylinder
Boiler
What British standard covers Hot water installation?
BS6700
BS1212 part 2
BSEN806
BSEN6700
The minimum size of vent pipe is?
15mm
28mm
22mm
The same size as the cold feed pipe
Too prevent one pipe circulation the vent pipe must step across by how many mm.
150mm
300mm
450mm
600mm
This picture shows a?
Immersion heater
Surry flange
Essex flange
Cylinder thermostat
Building regulation part L states that all pipe work within what distance of the cylinder needs to be lagged?
2m
1.5m
1m
450mm
The thermostats on a hot water cylinder should be set at?
48 to 55 degrees C
43 to 70 degrees C
48 to 60 degrees C
60 to 65 degrees C
The cylinder stat is placed how far up the cylinder?
one-quarter of the way
one-third of the way
one-half of the way
two-thirds of the way
The unvented system requires other mechanical safety devices for the safe control of the expansion of water and to ensure that the water within the storage cylinder does not exceed?
60
85
100
143.5
