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100+ Free ACS LPG Park Homes, Caravans & Boats Practice Questions

Pass your ACS CONGLP1 PD/RPH LPG in Residential Park Homes, Boats and Caravans exam on the first try — instant access, no signup required.

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Key Facts: ACS LPG Park Homes, Caravans & Boats Exam

40 Qs

ACS Theory Assessment

Gas Safe Register ACS

100%

Safety Pass Mark

Gas Safe Register ACS

5 Years

Certification Validity

ACS Scheme Rules

ACS CONGLP1 RPH/B certification validates Gas Safe registered engineer competence for LPG in residential park homes, caravans, and boats under BS 3632, BS EN 1949, and BS EN ISO 10239. This is an English-language MCQ study adaptation for the official assessment; it does not replace required practical, oral, written, or hands-on performance.

Sample ACS LPG Park Homes, Caravans & Boats Practice Questions

Try these sample questions to test your ACS LPG Park Homes, Caravans & Boats exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which British Standard specifies the constructional and safety requirements for Residential Park Homes (RPH) in the UK, including gas pipework structural entry rules?
A.BS 3632
B.BS EN 1949
C.BS EN ISO 10239
D.BS 5440-1
Explanation: BS 3632 is the UK standard governing the specification and manufacture of Residential Park Homes, detailing requirements for insulation, structure, ventilation, and gas pipework entries.
2What is the standard regulated operating pressure for a commercial Propane vapor supply installation serving a UK Residential Park Home?
A.21 mbar
B.28 mbar
C.37 mbar
D.50 mbar
Explanation: Standard UK single-stage or second-stage regulators for commercial Propane vapor supply installations set the outlet pressure to 37 mbar.
3Where must the main Emergency Control Valve (ECV) for a residential park home supplied from an external cylinder bank be situated?
A.Inside the master bedroom adjacent to the space heater
B.Readily accessible outside the park home or immediately where the pipe enters the structure
C.Buried underground in an unvented inspection pit
D.Directly beneath the central kitchen sink cabinet behind sealed panels
Explanation: The Emergency Control Valve (ECV) must be installed in a readily accessible position, either outside the park home near the supply cylinders/bulk tank or immediately at the point where the gas pipe enters the park home structure.
4On an automatic changeover LPG regulator set supplying a park home, what does a clear red indicator window signal?
A.The supply pressure has exceeded 100 mbar and OPSO has tripped
B.The service cylinder bank is exhausted and the regulator has switched to the reserve cylinder bank
C.The installation has passed its automatic tightness test
D.The gas temperature has dropped below freezing point
Explanation: A red indicator on an automatic changeover valve indicates that the designated service cylinder is empty and the regulator has automatically switched over to draw gas from the reserve cylinder.
5What minimum clearance distance must be maintained between external LPG cylinders and unsealed building openings (such as openable windows or air bricks) in a residential park home setting?
A.0.3 meters
B.1.0 meter
C.3.0 meters
D.5.0 meters
Explanation: LPG cylinders must be positioned at least 1.0 meter horizontally away from unsealed openings (doors, openable windows, air vents) to prevent leaking LPG vapor from entering the building.
6Why must high-pressure flexible pigtail hoses connecting LPG cylinders to a wall-mounted regulator be fitted with a safety lanyard or kept as short as practicable?
A.To increase gas flow velocity into the regulator
B.To prevent mechanical strain on cylinder valves and minimize whipping if severed under pressure
C.To insulate the pigtail from freezing winter temperatures
D.To allow the cylinders to be moved while lit
Explanation: Pigtails carry full cylinder pressure; keeping them short and properly supported prevents mechanical strain on valves and limits dangerous whipping movements if damaged or disconnected while pressurized.
7What is the primary function of a secondary Emergency Control Valve installed on a bulk LPG supply line entering a large residential park home site?
A.To automatically regulate gas pressure down to 21 mbar
B.To provide a localized manual isolation point for the individual park home structure
C.To purge air from the underground main without tools
D.To filter out heavy hydrocarbon liquids before reaching the meter
Explanation: A secondary ECV allows occupiers or service personnel to isolate the gas supply to an individual residential park home without needing access to the main site bulk storage vessel.
8Under UK Gas Safe standards, why is a Flame Supervision Device (FSD) required on every burner of a gas cooker installed in a residential park home?
A.To reduce electrical energy consumption during electronic ignition
B.To shut off the gas supply automatically if the burner flame is accidentally extinguished
C.To automatically reignite the burner when cooking oil boils over
D.To bypass the main emergency control valve during cooking
Explanation: LPG is denser than air and pools in low areas if unburnt. An FSD ensures gas flow is cut off immediately if the flame goes out, preventing hazardous gas build-up.
9Which British Standard specifies safety and technical requirements for LPG installations in Leisure Accommodation Vehicles (LAVs) such as touring caravans and motorhomes?
A.BS EN 1949
B.BS 3632
C.BS EN ISO 10239
D.BS 7671
Explanation: BS EN 1949 is the European/British Standard specifying requirements for the installation of LPG systems for habitation purposes in leisure accommodation vehicles (touring caravans, motorhomes).
10What fixed operating pressure standard was adopted across Europe under BS EN 1949 for post-2004 touring caravans and motorhomes?
A.21 mbar
B.30 mbar
C.37 mbar
D.50 mbar
Explanation: BS EN 1949 standardized the operating pressure for LPG systems in all new leisure accommodation vehicles (LAVs) built after 2004 to a single fixed pressure of 30 mbar for both Propane and Butane.

About the ACS LPG Park Homes, Caravans & Boats Exam

ACS CONGLP1 PD/RPH qualification covers LPG gas safety competence for residential park homes, touring caravans, motorhomes, and marine craft under Gas Safety (Installation and Use) Regulations and relevant British/ISO Standards. This is an English-language MCQ study adaptation for the official assessment; it does not replace required practical, oral, written, or hands-on performance.

Questions

40 scored questions

Time Limit

60 - 90 minutes

Passing Score

100% on core safety tasks

Exam Fee

£350 (Gas Safe Register / ACS (Energy & Utility Skills))

ACS LPG Park Homes, Caravans & Boats Exam Content Outline

15%

Residential Park Homes LPG Systems

BS 3632 requirements, structural entry pipework, bulk tank & cylinder bank sizing, emergency control valves, and ground movement expansion loops.

15%

Touring Caravans & Motorhomes (LAVs)

BS EN 1949 standard, 30 mbar regulation, driving with gas controls (MonoControl/DuoControl CS), excess flow valves, and high-pressure pigtails.

15%

Marine Craft LPG Safety

BS EN ISO 10239 and BS 5482-3 standards, continuous fall overboard drains, bubble leak detectors, marine cooker gimbals, and CO alarm requirements.

10%

Cylinder Compartments & Lockers

Gas-tight separation from living spaces, low-level overboard/external venting, cylinder restraint straps, and ignition source exclusion.

15%

Flues & Ventilation for Leisure Environments

BS EN 721 minimum fixed ventilation free areas, open vs room-sealed flues, marine deck terminals, spillage testing, and carbon monoxide risks.

10%

LPG Pipework & Flexible Hoses

Copper pipe jointing (compression vs soldering prohibitions), high-pressure hoses (BS 3212/BS EN 1763), pipe supports, sleeves, and corrosion protection.

10%

Flame Supervision Devices (FSDs)

Mandatory FSD requirements on all leisure appliances, thermocouple thermoelectric valve operation, drop-out times, and electronic ignition interlocks.

10%

Tightness Testing & Purging (LAVs & Boats)

Let-by and tightness test procedures, zero pressure drop requirements, digital manometer use, bubble testing, and safe LPG purging methods.

How to Pass the ACS LPG Park Homes, Caravans & Boats Exam

What You Need to Know

  • Passing score: 100% on core safety tasks
  • Exam length: 40 questions
  • Time limit: 60 - 90 minutes
  • Exam fee: £350

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

ACS LPG Park Homes, Caravans & Boats Study Tips from Top Performers

1Memorize operating pressures: 37 mbar for Propane / 28 mbar for Butane legacy systems, and standard 30 mbar fixed regulation for post-2004 LAVs under BS EN 1949.
2Understand tightness testing criteria: LPG installations in leisure craft and park homes require zero pressure drop on a digital or water gauge over the test duration after stabilization.
3Know the key differences between soft soldering (prohibited on marine craft and high-pressure LPG lines) and compression fittings.

Frequently Asked Questions

What is the difference between CONGLP1 PD, RPH, and B ACS elements?

CONGLP1 PD covers Permanent Dwellings, RPH covers Residential Park Homes (BS 3632), and B (or LAV/Marine) covers Leisure Accommodation Vehicles (caravans/motorhomes under BS EN 1949) and Boats/Marine Craft (under BS EN ISO 10239). Engineers must hold the specific assessment element for the installation type.

Why are Flame Supervision Devices (FSDs) required on all appliances in boats and caravans?

LPG is heavier than air and collects in bilges, floor wells, and enclosed spaces. FSDs ensure that if a flame goes out, gas flow is immediately shut off to prevent explosive gas accumulations.

What are the rules for cylinder locker drains on boats?

Under BS EN ISO 10239, cylinder lockers on marine craft must be gas-tight to the interior and equipped with an overboard drain (minimum 19mm internal diameter) running with a continuous downward slope to discharge safely above the waterline.