WorksheetsHot Water 1
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Which type of fitting must not be used on hot water pipework?
a)
Capillary fitting with a lead/tin solder.
b)
Proprietary push-fit plastic fitting.
c)
Non-manipulative compression fitting.
d)
Proprietary push-fit copper fitting.
2.
Which British Standard details the installation requirements for hot water systems?
a)
BS 5449.
b)
BS 6700.
c)
BS EN 12056.
d)
BS EN 12976.
3.
What is the device shown
a)
Measuring water pressures.
b)
Measuring water flow rates
c)
Sizing hot water cylinders
d)
Determining the pH of water
4.
What type of tool is shown
a)
Adjustable spanner
b)
Immersion heater spanner
c)
Stillson wrench
d)
Water pump pliers
5.
The additional pipework circuit fitted to a hot water system to overcome dead-legs in the system is known as a
a)
primary circulation system
b)
Trace heating
c)
secondary circulation system
d)
inverted loop system.
6.
In which one of the following locations is it a requirement to insulate hot water system pipework?
a)
Surface mounted in a lounge.
b)
‘Notched’ into timber first floor joists.
c)
In a loft space.
d)
Surface mounted in a bathroom
7.
What is the required soundness test pressure for hot water pipework which will normally be subject to a static head of 6 metres (assuming that 1 metre head of water is about 0.1 bar pressure)?
a)
1.0 bar
b)
0.6 bar
c)
0.09 bar
d)
0.9 bar.
8.
A method of preventing energy and water wastage in hot water pipework with long dead-legs is known as
a)
space heating
b)
sensible heating
c)
latent heating.
d)
Trace Heating
9.
The cold feed pipe to a hot water storage cylinder is connected
a)
at the mid point of the cylinder
b)
in the top quarter of the cylinder
c)
in the top of the cylinder
d)
at the bottom of the cylinder
10.
what component does this symbol represent?
a)
Single check valve
b)
Double Check Valve
c)
No Check Valve
d)
Any Check valve
11.
What type of water heating device is shown
a)
Single point water heater
b)
Multipoint water heater
c)
Combination cylinder.
d)
Direct cylinder
12.
What type of shower system is shown
a)
Instantaneous electric shower.
b)
Pumped shower with double impellor pump.
c)
Pumped shower with single impellor pump
d)
Gravity feed shower
13.
What type of hot water system is shown
a)
Direct system heated by immersion heater.
b)
Indirect system with single feed cylinder
c)
Unvented system fed by a boiler.
d)
Direct system heated by a combination boiler.
14.
Which one of the following sanitary appliances must not be connected to the hot water supply pipework from a combination boiler?
a)
Bath with mixer tap.
b)
Sink
c)
Ascending spray bidet
d)
W.C
15.
During a soundness test on an open vented hot water system
a)
the cold feed gate valve to the cylinder should be opened
b)
the open vent pipe should be capped
c)
the drain valve on the cylinder should be opened
d)
at least two taps should be opened
100 %
