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CPD Programme
Module 3
April 2009
1. Based on the data in the article, what would the approximate
Name (please print)..................................................................................
specific gas constant be for nitrogen?
Job title........................................................................................................
A 287
B 297
Organisation..............................................................................................
C 307
Address.......................................................................................................
D 317
E 327
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2. Which of these is the most appropriate description of
.....................................................................................................................
saturated air?
Postcode.....................................................................................................
A Air that has some water vapour in it
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B Air where the dry bulb temperature is less than the wet
bulb temperature
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C Air that if the dry bulb temperature is reduced
condensation would occur
CIBSE
D Air where the percentage saturation is greater than the If so, please state your membership number
relative humidity
E Air where the vapour pressure is greater than the saturated
(if available)................................................................................................
vapour pressure
Other institution
3. Based on the data in the article, if the atmospheric pressure
(please state)..............................................................................................
is 101.325 kPa and the vapour pressure 1.325 kPa, what is the
approximate moisture content of the air per kg dry air?
To help us develop future CPD modules, please indicate your
A 4.24 g/kg
primary job activity:
B 5.24 g/kg
Building Services Engineer
C 6.24 g/kg
Mechanical Engineer
D 7.24 g/kg
Electrical Engineer
E 8.24 g/kg Commissioning Engineer
Energy Manager
4. Which of these is the most accurate statement? Facilities Manager
Other (please give details).................................................................
A Wet bulb temperatures are a measure of radiant cooling
B Wet bulb temperatures provide a direct measure of comfort
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information about CPD and other training or professional development programmes, and
C Wet bulb is higher than dry bulb for saturated air
about membership of CIBSE if you are not currently a member.
D Screen wet bulb is more accurate than sling wet bulb
temperature
E Wet bulb will be lower when the vapour pressure is reduced
5. The psychrometric chart dates back to work undertaken when?
Please.go.to.www.cibsejournal.com/cpd.to.complete.this.
A Sometime between 1800 and 1850
questionnaire.online..You.will.receive.notification.by.email.of.
successful.completion,.which.can.then.be.used.to.validate.your.
B Sometime between 1850 and 1900
CPD.records.in.accordance.with.your.institution’s.guidance.
C Sometime between 1900 and 1950
D Sometime between 1950 and 2000
Alternatively,.you.can.fill.in.this.page.and.post.to:..
N Golledge, CIBSE, 222 Balham High Road, London, SW12 9BS
E 1906
58 CIBSE Journal April 2009 www.cibsejournal.com
CIBSEapr09 pp55-58 cpd.indd 58 4/2/09 3:09:11 PM
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