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Pressure systems questions for the Heating and plumbing services (HAPS) specialist test

5 free questions on Pressure systems, from section E. Specialist: HVACR – heating and plumbing services. Every question is original and explains why each option is right or wrong.

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Question 1

Harder ·Link to this question (question 1)

A heating system uses pressurised hot water.

When does HSE say pressurised hot water is covered by the Pressure Systems Safety Regulations?

Choose one answer.

  1. A. Above 40°C, like a warm bath
  2. B. Above 60°C, the storage temperature
  3. C. Never, as water can't store energy
  4. D. Above 110°C
Show the answer and explanation

Answer: D

  • A. Wrong: Wrong. The threshold is 110°C.
  • B. Wrong: Wrong. The threshold is 110°C.
  • C. Wrong: Wrong. Pressurised hot water above 110°C is covered.
  • D. Right: Right. HSE says PSSR covers pressurised hot water above 110°C, as well as steam at any pressure.

Explanation

PSSR covers steam at any pressure and pressurised hot water above 110°C.

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Question 2

Medium ·Link to this question (question 2)

A small steam system is used to heat a laundry.

Is steam covered by PSSR?

Choose one answer.

  1. A. Yes, steam at any pressure
  2. B. Only above 10 bar
  3. C. No, steam is not a pressure hazard
  4. D. Only outdoors
Show the answer and explanation

Answer: A

  • A. Right: Right. HSE says PSSR covers steam at any pressure.
  • B. Wrong: Wrong. Steam is covered at any pressure.
  • C. Wrong: Wrong. Steam is covered at any pressure.
  • D. Wrong: Wrong. Location doesn't matter.

Explanation

Steam is covered by PSSR at any pressure.

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Question 3

Medium ·Link to this question (question 3)

A new pressure system has been installed in a plant room.

What must be in place before it is used?

Choose one answer.

  1. A. A photo of the gauges for the client's file
  2. B. A written scheme of examination, and an examination
  3. C. A label with the installer's phone number on it
  4. D. Nothing until it has run for a year
Show the answer and explanation

Answer: B

  • A. Wrong: Wrong. A WSE and an examination are needed.
  • B. Right: Right. HSE says before using a pressure system, a written scheme of examination (WSE) must be in place and an examination carried out.
  • C. Wrong: Wrong. A WSE and an examination are needed.
  • D. Wrong: Wrong. The WSE and examination come before use.

Explanation

Before use, a pressure system needs a written scheme of examination and an examination.

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Question 4

Medium ·Link to this question (question 4)

You are setting up a pressurised heating system for a client.

What must the people using it know?

Choose one answer.

  1. A. Who made it
  2. B. Nothing, as the system looks after itself
  3. C. Its safe operating limits
  4. D. Where the off switch is
Show the answer and explanation

Answer: C

  • A. Wrong: Wrong. They need to know the safe operating limits.
  • B. Wrong: Wrong. They need to know the safe operating limits.
  • C. Right: Right. HSE says users should know the operating conditions, including the safe operating limits of the equipment.
  • D. Wrong: Wrong. They need to know the safe operating limits.

Explanation

People using pressure systems must know their safe operating limits.

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Question 5

Medium ·Link to this question (question 5)

A new engineer will maintain pressurised heating plant.

What does HSE say about training?

Choose one answer.

  1. A. No training is needed if they have a van
  2. B. One training session when they are 16 is enough for life
  3. C. Only the manager needs training
  4. D. They need the right skills, with refresher training
Show the answer and explanation

Answer: D

  • A. Wrong: Wrong. They need the skills and knowledge to do it safely.
  • B. Wrong: Wrong. Refresher training should be included.
  • C. Wrong: Wrong. Everyone who works on the equipment needs it.
  • D. Right: Right. HSE says anyone who operates, installs, maintains or repairs the equipment must have the skills and knowledge to do it safely, with refresher training.

Explanation

People who work on pressure systems need the right skills and knowledge, kept up with refresher training.

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