CPD Programme
Module 14
March 2010
_________________________________________
1. If a low level supply had been used for this example what would Name (please print)..................................................................................
the supply mass flow rate have been?
Job title........................................................................................................
A 0.69 kg⋅s
-1
D 0.99 kg⋅s
-1
B 0.79 kg⋅s
-1
E 1.09 kg⋅s
-1
Organisation..............................................................................................
C 0.89 kg⋅s
-1
Address.......................................................................................................
2. Which of these is most true about the Room Ratio Line when
.....................................................................................................................
drawn through the Room point?
A It provides the supply temperature and associated .....................................................................................................................
moisture content
B The gradient is determined by the latent heat given off by Postcode.....................................................................................................
the occupants in the room
C It allows the calculation of the air mass supply rate Email ...........................................................................................................
D It shows whether humidification is needed
E It indicates a range of supply temperatures and associated
Are you a member of:
moisture contents
CIBSE
3. In the example what would have been the moisture content at
If so, please state your membership number
the coil ADP if the cooling coil contact factor was 1?
(if available)................................................................................................
A 8.0g⋅kg
-1
da
B 8.5g⋅kg
-1
da
Other institution
C 7.4g⋅kg
-1
da
D 1.0g⋅kg
-1
da
(please state)..............................................................................................
E 11.4g⋅kg
-1
da
To help us develop future CPD modules, please indicate your
4. Which of these is not a reason why the calculated plant load in
primary job activity:
the example is different from the room load?
Building services engineer
A The winter outdoor air is much colder than the design
Mechanical engineer
room condition and heating is required
Electrical engineer
B The COP of the cooling plant has not been included
Commissioning engineer
C The outdoor air in the summer design has a higher
moisture content than the room air and there is a room
Energy manager
dehumidifying need Facilities manager
D To adequately dehumidify the summer air the air needs to
Other (please give details).................................................................
be cooled down below the required supply temperature.
E In winter, outdoor air has a very low moisture content By entering your details above, you agree that CIBSE may contact you from time to time with
information about CPD and other training or professional development programmes, and
5. Which of these plant operating regimes should never happen?
about membership of CIBSE if you are not currently a member.
A heating and humidification
Please.go.to.www.cibsejournal.com/cpd.to.complete.this.
B preheating and dehumidification questionnaire.online..You.will.receive.notification.by.email.of.
C cooling with dehumidification
successful.completion,.which.can.then.be.used.to.validate.your.
D sensible heating only
CPD.records.in.accordance.with.your.institution’s.guidance.
E sensible cooling
Alternatively,.you.can.fill.in.this.page.and.post.to:..
N Hurley, CIBSE, 222 Balham High Road, London, SW12 9BS
62 CIBSE Journal March 2010 www.cibsejournal.com
CIBSEmar10 pp59-62 cpd.indd 62 2/25/10 4:26:48 PM
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