Question 1
Which component of a surface-supplied commercial diving umbilical serves as the primary mechanical strain relief member to prevent tension on air hoses and cables?
Correct Answer:
Strength member / lifeline rope
Question 2
What is the standard minimum over-bottom gas pressure recommended at the surface control panel above maximum working depth hydrostatic pressure for a demand helmet?
Correct Answer:
6 to 10 bar (90 to 145 psi)
Question 3
Under British Standard BS EN 12021 for breathing air quality, what is the maximum allowable concentration of carbon monoxide (CO) in compressed breathing air supplied to a diver?
Correct Answer:
5 ppm
Question 4
What critical safety function is performed by the non-return check valve fitted to the main gas inlet block of a commercial diving helmet?
Correct Answer:
It prevents catastrophic helmet squeeze by stopping reverse gas flow if umbilical pressure drops
Question 5
A diver working at a depth of 30 msw (4 bar absolute) requires an emergency bailout gas supply. Assuming a breathing rate of 50 L/min at depth, what minimum usable free air volume must the bailout cylinder contain to ensure 5 minutes of emergency ascent gas?
Correct Answer:
1000 L
Question 1
Exam overview

About this Exam

Prepare with the HSE Surface Supplied Diver Practice Questions - HSE Surface Supplied Diver Qualification (UK Health and Safety Executive) Exam practice quiz. This question bank includes 100 questions covering diving, diver, commercial, dive, and surface-supplied. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

More details

Additional Information

HSE Surface Supplied Diver Practice Questions - HSE Surface Supplied Diver Qualification (UK Health and Safety Executive) Exam

This practice set contains 100 questions from the matching question bank and focuses on diving, diver, commercial, dive, and surface-supplied. 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.

Quiz information

Frequently Asked Questions

The complete question count is available after full access is unlocked.
No fixed duration is currently configured for this quiz.
Question explanations are included where they are available in the quiz content, helping you review the reasoning after answering.
Yes. You can retake the practice test again as you continue studying during your available access period.
After your access is confirmed, you can continue into the complete practice exam from this quiz flow.
Unless explicitly stated otherwise, this page provides independent practice material for study and exam preparation and is not the official examination itself.
Keep studying

Related Questions