OFTEC Heat Pump Practice Questions - OFTEC Heat Pump Technician Assessment (OFT21-504A G D) Exam - OFTEC Heat Pump Practice Questions - OFTEC Heat Pump Technician Assessment (OFT21-504A G D) Exam

Question 1

Before working on the electrical supply to a heat pump outdoor unit, what is the correct first step under safe systems of work?

Apply lock-off and tag-out to the relevant isolator after confirming the circuit is dead Rely on the unit's remote controller standby mode Disconnect the refrigerant service ports only Switch off the room thermostat and assume power is isolated

Correct Answer:

Apply lock-off and tag-out to the relevant isolator after confirming the circuit is dead

Question 2

Which hazard is specifically highlighted in OFTEC heat pump training for refrigerant-containing equipment, even when the assessed scope is non-refrigerant circuits?

Asphyxiation, frostbite and pressure release from refrigerant gases Carbon monoxide poisoning from incomplete combustion Methane accumulation in plant rooms Legionella growth in closed heating loops only

Correct Answer:

Asphyxiation, frostbite and pressure release from refrigerant gases

Question 3

When lifting a heavy air-source heat pump outdoor unit onto a wall bracket, which control measure is most appropriate?

Use mechanical lifting aids or a second competent person and plan the lift before starting Carry alone if the unit is below 25 kg regardless of access Drag the unit on its pipe connections to save time Leave packaging on during the lift to improve grip on smooth casings

Correct Answer:

Use mechanical lifting aids or a second competent person and plan the lift before starting

Question 4

A technician discovers damaged insulation exposing live conductors inside a heat pump control panel. What is the correct immediate action?

Make the installation safe by isolating and securing the supply, then repair or escalate before re-energising Wrap the damage in PVC tape and commission the system Continue commissioning because the fault is only cosmetic Bypass the damaged conductor with a longer cable without isolation

Correct Answer:

Make the installation safe by isolating and securing the supply, then repair or escalate before re-energising

Question 5

Working in a loft space near a heat pump cylinder, which combination of PPE and precautions is most appropriate?

Dust mask where disturbed, adequate lighting, stable boarding where required, and awareness of hot surfaces No PPE because domestic lofts are low risk Full breathing apparatus for every loft entry Safety harness only, with no consideration of heat or access

Correct Answer:

Dust mask where disturbed, adequate lighting, stable boarding where required, and awareness of hot surfaces

Exam overview

About this Exam

Prepare with the OFTEC Heat Pump Practice Questions - OFTEC Heat Pump Technician Assessment (OFT21-504A G D) Exam practice quiz. This question bank includes 100 questions covering heat, pump, oftec, air-source, and installation. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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OFTEC Heat Pump Practice Questions - OFTEC Heat Pump Technician Assessment (OFT21-504A G D) Exam

This practice set contains 100 questions from the matching question bank and focuses on heat, pump, oftec, air-source, and installation. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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OFTEC Heat Pump Practice Questions - OFTEC Heat Pump Technician Assessment (OFT21-504A G D) Exam

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