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108+ Free OFTEC Oil Firing (OFT101/105E) Practice Questions
OFTEC Oil Firing Technician — OFT10-101 & OFT10-105E Assessment practice questions are available now; exam metadata is being verified.
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2026 Statistics
Key Facts: OFTEC Oil Firing (OFT101/105E) Exam
100
Practice Questions
OpenExamPrep
5 years
Re-assessment Cycle
OFTEC
BS 5410-1
Oil Firing Code (≤45 kW)
BSI
OFT10-101
Pressure Jet Servicing Module
OFTEC
OFT10-105E
Appliance Installation Module
OFTEC
€2.8M
Min. Public Liability (approx.)
OFTEC
OFTEC OFT10-101 and OFT10-105E are the core Ireland oil heating technician assessments for commissioning/servicing pressure-jet boilers and installing domestic oil-fired systems. Assessment combines multiple-choice theory, PAWS worksheets and practical tasks at approved centres, with five-year reassessment. Topics span BS 5410 installation rules, fire valves, tank siting, combustion tuning and heating controls. Our free bank has 100 practice questions with explanations and an AI tutor.
Sample OFTEC Oil Firing (OFT101/105E) Practice Questions
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1What is the primary role of OFTEC registration for oil heating technicians in the Republic of Ireland?
A.To demonstrate competence as an approved installer/servicer under the OFTEC competent persons scheme for oil-fired heating
B.To replace the need for any plumbing or craft qualification
C.To authorise technicians to work on natural gas installations without RGII registration
D.To certify oil storage tanks for export outside the EU only
Explanation: OFTEC operates a competent persons registration scheme for technicians who install, commission and service oil-fired heating equipment in the UK and Ireland. Registration confirms assessed competence against OFTEC training modules such as OFT10-101 and OFT10-105E.
2How often must OFTEC oil technician qualifications such as OFT10-101 and OFT10-105E be renewed through reassessment?
A.Every 5 years
B.Every 2 years
C.Every 10 years
D.Only once, with lifetime validity
Explanation: OFTEC states that re-assessment is required after five years for qualifications including OFT10-101 and OFT10-105E. Technicians must complete reassessment at an approved centre to maintain valid registration.
3Which OFTEC introductory course is typically recommended for new entrants to the oil heating industry before attempting OFT10-101 or OFT10-105E?
A.OFT50 (domestic oil firing introduction)
B.OFT10-201 (multi-stage pressure jet)
C.OFT10-102 (vaporising burner servicing)
D.OFT10-600A only, without any prior training
Explanation: OFTEC category 3 new entrants without recognised trade qualifications are advised to complete the OFT50 introductory course and gain supervised experience before progressing to full assessment modules such as OFT10-101 and OFT10-105E.
4What forms of assessment are used for OFTEC OFT10-101 and OFT10-105E qualifications?
A.Multiple-choice theory papers, practically assessed worksheets (PAWS), and hands-on practical assessment
B.A single open-book essay with no practical component
C.Online-only multiple choice with no centre attendance
D.Written exam only; practical skills are not assessed
Explanation: OFTEC assessment for OFT10-101 and OFT10-105E combines multiple-choice theory papers, practically assessed worksheets (PAWS), and observed practical tasks at an approved assessment centre.
5Which British Standard provides the current principal code of practice for domestic liquid fuel (oil) firing installations for space heating and hot water?
A.BS 5410-1:2019 (installations up to 70 kW output for domestic buildings)
B.BS 7671:2018
C.BS 5839-1:2017
D.BS EN 12828:2014
Explanation: BS 5410-1:2019 is the current code of practice for liquid fuel firing installations for space heating and hot water in domestic buildings, covering outputs up to 70 kW and tank storage up to 3,500 litres. It superseded BS 5410-1:2014 (which had covered installations only up to 45 kW) on 30 June 2019 and extended scope to biofuels/blends such as OFTEC's B30K.
6A technician with a nationally recognised plumbing qualification but no prior oil experience falls into which OFTEC candidate category?
A.Category 2 — related skills and experience, undertaking training and assessment at an approved centre
B.Category 1 — renewing expired OFTEC certificates only
C.Category 3 — completely new entrant with no trade background
D.Exempt from all OFTEC assessment
Explanation: OFTEC category 2 candidates hold related skills from plumbing, gas, heating or ventilation but are new to oil. They provide evidence of qualifications or experience and complete the relevant training and assessment modules at an approved centre.
7What is the scope of OFT10-105E registration for a technician in Ireland?
A.Installation of liquid fuel and bio-liquid fuelled fixed combustion appliances and systems (typically domestic/light commercial up to about 100 kW)
B.Servicing of vaporising range cookers only with no installation work
C.Design of commercial oil pipelines above 1 MW output only
D.Electrical wiring of industrial switchgear unrelated to combustion appliances
Explanation: OFT10-105E certifies competence to install liquid fuel-fired appliances such as boilers and range cookers, covering health and safety, fire valves, storage/supply, appliance siting, heating systems and energy efficiency. Training centres describe coverage for appliances and systems under about 100 kW.
8What is the scope of OFT10-101 registration?
A.Commissioning and servicing of single-stage pressure-jet oil-fired appliances
B.Installation of underground oil storage tanks only
C.Solid fuel stove installation and chimney relining only
D.Heat pump F-gas recovery and leak checking
Explanation: OFT10-101 certifies technicians to service and commission single-stage pressure-jet appliances — the type fitted to the majority of domestic oil boilers. It covers combustion analysis, burner controls, flues, ventilation and fault finding.
9When an OFTEC registered technician identifies a serious safety defect on an oil installation, what is the correct first action under OFTEC procedures?
A.Make the installation safe, inform the client, and report/document the defect in line with OFTEC risk procedures
B.Leave the appliance running and schedule a follow-up visit next month
C.Repair the defect without informing the client if the bill would increase
D.Ignore minor leaks if combustion readings appear acceptable
Explanation: OFTEC training emphasises risk identification, immediate safe isolation where required, clear client communication and proper reporting. Safety-critical defects such as leaks, blocked flues or failed fire valves must not be left unresolved.
10Which reference publications does OFTEC specify for OFT10-105E training and assessment?
A.OFTEC Technical Manual and the Domestic Heating Design Guide
B.ITIL Foundation syllabus version 5 only
C.I.S. 813 domestic gas installations standard only
D.City & Guilds electrical installation handbook exclusively
Explanation: OFTEC lists the OFTEC Technical Manual and Domestic Heating Design Guide as training materials for OFT10-105E. Technicians also apply BS 5410 and OFTEC technical publications for storage, pipework and appliance installation.
About the OFTEC Oil Firing (OFT101/105E) Practice Questions
Verified exam format metadata for OFTEC Oil Firing Technician — OFT10-101 & OFT10-105E Assessment is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.