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by Ddave
Mon Nov 26, 2007 7:07 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: I am stuck. Help needed!
Replies: 9
Views: 3341

Two more...
Q.21 -
Describe how a mechanical control differs from a thermostatic one.

and

Q.25 - Name three types of heat emitter and explain how radiater tappings are specified.

Thanks. :oops:
by Ddave
Mon Nov 26, 2007 7:03 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: I am stuck. Help needed!
Replies: 9
Views: 3341

Thanks again - thats brilliant. Getting somewhere now!
by Ddave
Sat Nov 24, 2007 8:11 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: I am stuck. Help needed!
Replies: 9
Views: 3341

A couple more...

[b] Q.23 - Explain why Central Heating Systems use 'Zones'[/b]

[b] Q24. - Describe the limitations of the single feed, self priming cylinder (primatic)[/b]

Thanks in advance.
by Ddave
Sat Nov 24, 2007 7:49 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: I am stuck. Help needed!
Replies: 9
Views: 3341

My reply disappeared!
Thanks Marrtin that helps. At least I can now fill one in! Much appreciated.
by Ddave
Sat Nov 24, 2007 1:51 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: I am stuck. Help needed!
Replies: 9
Views: 3341

Thanks, thats great. I can at least get that one out of the way. Much appreciated, thanks for your time.
by Ddave
Fri Nov 23, 2007 5:24 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: I am stuck. Help needed!
Replies: 9
Views: 3341

Thanks Marrtin, OK. Q.14 Of the consolidation is; Explain why ferrous and non-ferrous metals are never used together in hot water installations. Q.15 of the same section; On a hot water installation only, state the type of cylinder you would recommend and how it would be heated. There are are 4 more...
by Ddave
Fri Nov 23, 2007 7:18 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: I am stuck. Help needed!
Replies: 9
Views: 3341

I am stuck. Help needed!

I an currently working on a Manchester Open Learning module. I have completed about 13 of these modules on everything from Doors and Windows to Underground Drainage and Insulation, but this one - Central Heating, has me beat! Basically I work for a Builders Merchant and these modules are basic produ...
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