Site Card Test
Course menuHS&E PFW

Exams / HS&E PFW / Extraction and RPE

Extraction and RPE questions for the Pipefitting and welding (PFW) specialist test

5 free questions on Extraction and RPE, from section E. Specialist: HVACR – pipefitting and welding. Every question is original and explains why each option is right or wrong.

Last verified against HSE guidance and the law ·How we write our questions

Practice Extraction and RPETake the free practice exam

Question 1

Medium ·Link to this question (question 1)

A workshop manager says the open roller door gives enough ventilation for welding.

What does HSE say?

Choose one answer.

  1. A. An open door is all you need
  2. B. It is enough if the welder stands near it
  3. C. It is enough in winter, when the air is colder and moves more
  4. D. Natural ventilation isn't enough
Show the answer and explanation

Answer: D

  • A. Wrong: Wrong. Natural ventilation is not enough.
  • B. Wrong: Wrong. Natural ventilation is not enough.
  • C. Wrong: Wrong. Natural ventilation is not enough.
  • D. Right: Right. HSE says natural ventilation from open doors and windows is not sufficient to disperse welding fume.

Explanation

Open doors and windows don't disperse welding fume. Use LEV.

Study

Question 2

Medium ·Link to this question (question 2)

You are choosing extraction for MIG welding on pipe spools.

Which type does HSE say can be very effective for MIG?

Choose one answer.

  1. A. On-torch extraction
  2. B. A ceiling fan in the next room
  3. C. A wet towel over the work
  4. D. A portable heater
Show the answer and explanation

Answer: A

  • A. Right: Right. HSE says on-torch extraction can be very effective for MIG welding.
  • B. Wrong: Wrong. HSE points to on-torch extraction for MIG.
  • C. Wrong: Wrong. That doesn't extract fume.
  • D. Wrong: Wrong. That doesn't extract fume.

Explanation

On-torch extraction can be very effective for MIG welding.

Study

Question 3

Harder ·Link to this question (question 3)

Your workshop has welding LEV.

How often must it be thoroughly examined and tested?

Choose one answer.

  1. A. Never, if it still sucks
  2. B. At least every 14 months
  3. C. Every 5 years, or when it gets noisy
  4. D. Only when it is first installed
Show the answer and explanation

Answer: B

  • A. Wrong: Wrong. It must be at least every 14 months.
  • B. Right: Right. HSE says you must thoroughly examine and test LEV at least every 14 months.
  • C. Wrong: Wrong. It must be at least every 14 months.
  • D. Wrong: Wrong. It must be examined regularly.

Explanation

Thoroughly examine and test LEV at least every 14 months.

Study

Question 4

Medium ·Link to this question (question 4)

A welder uses a powered respirator.

When should it be inspected?

Choose one answer.

  1. A. Only when it stops working
  2. B. Never, as it is a sealed unit
  3. C. Before each use
  4. D. Once a year at the annual service
Show the answer and explanation

Answer: C

  • A. Wrong: Wrong. Inspect it before each use.
  • B. Wrong: Wrong. Inspect it before each use.
  • C. Right: Right. HSE says you must thoroughly inspect RPE before each use, and keep records for reusable RPE.
  • D. Wrong: Wrong. Inspect it before each use.

Explanation

Check RPE before each use, and record examinations of reusable RPE.

Study

Question 5

Medium ·Link to this question (question 5)

Your bay has movable LEV with a swing-arm hood.

What does HSE say it relies on?

Choose one answer.

  1. A. Nothing, as it works wherever it is
  2. B. Being pointed at the ceiling
  3. C. Being switched on once a week and left to run
  4. D. Workers placing and moving the hood
Show the answer and explanation

Answer: D

  • A. Wrong: Wrong. It must be placed correctly.
  • B. Wrong: Wrong. It must be placed near the work.
  • C. Wrong: Wrong. It must be running and placed correctly.
  • D. Right: Right. HSE says movable LEV with swing-arm hoods relies on workers correctly placing the hood and moving it as they work.

Explanation

Movable LEV only works if workers place the hood correctly and move it with the work.

Study

Study Extraction and RPE

More E. Specialist: HVACR – pipefitting and welding topics