SPONSOR CPD PROGRAMME | BOILER SYSTEMS Module 187 November 2021 Name (please print)........................................................................................ Job title ............................................................................................................... Organisation ..................................................................................................... 1. In small and medium load installations with two boilers, what proportion of peak load were boilers often sized to cope with? Address ............................................................................................................. ............................................................................................................................... A 50% each B 67% each ............................................................................................................................... C 75% each Postcode ........................................................................................................... D 90% each E 100% each 2. What was the particular name given to the valves that were used to reduce the opportunity for condensation in non- Email ................................................................................................................... Are you a member of CIBSE? If so, please state your membership number: .................................................................................. condensing boilers? A Three-port control valve B Anti-condensation valve C Back-end protection valve D Bypass valve E Primary loop valve The CIBSE Journal CPD Programme to opt out from such communications at any time. I a 3. What is the term used to describe the impact on flow water temperature of the mixing of cool water from a non-firing boiler with that of a firing boiler? A Temperature attenuation B Temperature degradation C Temperature dilution D Temperature diminution E Temperature erosion 4. Which one of these was not cited as one of the benefits of controlling the pump via the boiler? A Allows the boiler to control disable B Allows the boiler to control enable C Allows the boiler to control run on D Mitigates the requirement for additional points to be a member. Go to www.cibsejournal.com/cpd to complete this questionnaire online. used to validate your CPD records. A N Hurley, CIBSE, 222 Balham High Road, London, SW12 9BS. Further reading: For a discussion of low loss headers see Separate ways by David Palmer and Ryan Kirkwood in CIBSE Journal May 2021. For a more comprehensive discussion of boilers and associated hydronics see CIBSE Guide B1 Heating 2016, particularly chapters 7 and 8. To read about refurbishment needs and methods see CIBSE TM53 Refurbishment of non-domestic buildings, 2013, particularly section 4.1. References: 1 added to the BMS panel E Provides enhanced monitoring capabilities for the boiler 5. What is noted as the major advantage of the application of the low loss header? A Can include air separation B Decouples the generation and distribution side of the plant C Enables the use of variable speed pumps D Integrates dirt separation E Provides a vacuum de-gasser 60 November 2021 www.cibsejournal.com CIBSE Nov21 pp57-60 CPD 187.indd 60 22/10/2021 16:36