Survive the Dive Final Exam

Question

1

Dive Flags

In New Zealand, the Alpha flag must be displayed from every vessel conducting or supervising diving (SCUBA, spearfishing and snorkelling) activities. It means ‘I have a diver in the water; keep well clear and reduce speed to below 5 knots within 200m.

Which of the following is recognised as a dive flag in New Zealand? Choose one answer only.

Question

2

Vessel Speed

All vessels observing a dive flag (or other signalling device indicating the presence of divers, spearfishers and snorkelers) must take precautions to prevent accidents and injuries to divers in the water.

Which of the following statements about boat speed is correct? Select all that apply.

Question

3

In-water signalling devices & floats

All divers, spearfishers and snorkellers are advised to carry or tow in-water diver signalling devices. These include inflatable devices for SCUBA and highly visible floats for spearfishers and snorkellers.

What are the benefits of in-water signalling devices? Select all correct answers.

Question

4

The Buddy System

The Buddy System is the well-accepted practice of divers (and spearfishers) operating in pairs – or buddies. The purpose of the Buddy System is to help ensure divers can receive assistance in a wide range of dive-related emergencies.

Your dive buddy is important in which of the following scenarios? Select all correct answers.

Question

5

The Buddy System cont.

What should you do if you lose contact with your dive buddy? Choose one answer only.

Question

6

Safe Surfacing Procedures

The term ‘Safe Surfacing Procedures’, applies to the safe rate of ascent and/or safety stops required by all SCUBA divers to avoid the potentially fatal effects of excess nitrogen in the bloodstream due to diving.

Which of the following best describes dives requiring a safe rate of ascent, with safety stops? Choose only one answer.

Question

7

Safe Surfacing Procedures cont.

Which of the following best describes dives requiring a safe rate of ascent, with safety stops? Select all that apply.

Question

8

Shallow-water blackout

Shallow-water blackout can cause breath-hold divers to lose consciousness and risk of drowning when returning to the surface. It is difficult to predict and can affect any individual.

Which of the following is correct regarding breath-hold shallow-water blackout? Choose only one answer.

Question

9

Equipment Cleaning

Dive gear of any age is finely tuned equipment susceptible to damage from impacts, wear & tear and seawater-induced corrosion. Your well-being in the water is reliant on its good working condition.

How often should you conduct a thorough freshwater rinse of all your dive equipment? Choose only one answer.

Question

10

Equipment Servicing

How often should you have dive equipment professionally serviced? Select all that apply.

Question

11

SCUBA tank inspections

All SCUBA tanks require professional inspections which include an internal and external visual inspection once per year and a hydrostatic pressure test every two years.

How do you know when your SCUBA tank is due for inspection? Choose only one answer.

Question

12

Diver training

Diver training is advised because diving of all types can result in injury or death for those unaware of the risks of breathing compressed air underwater or how to behave in an underwater emergency.

Which of following is the best answer regarding diver qualifications in New Zealand? Select all that apply.

Question

13

Dive refresher courses

The New Zealand Underwater Association advises all divers returning to the sport after a hiatus to consider a dive refresher course offered by most diver training facilities in NZ.

Which of following best covers the topics included in a dive refresher course? Select all that apply.

Question

14

Diver fitness

Are you fit to dive? Water-Safety NZ data collated since 2011 demonstrates that 60% of all fatalities in divers, spearfishermen, and snorkellers occur in the over 40s age group. Poor heart health and inadequate fitness is the most consistent factor in these diver deaths.

The question of dive fitness is covered by three primary considerations. Choose all below that are correct.

Question

15

Medical checks

The NZUA recommends all divers over the age of 40 get annual medical checks from doctors with diving knowledge to ensure all diving fitness health considerations are covered adequately.

Which of the following is correct regarding diver medical checks? Choose only one answer.

Question

16

Alcohol and recreational drugs

The presence of alcohol or recreational drugs in a diver’s bloodstream (SCUBA, spearfishing and snorkelling) can have unexpected, sometimes fatal consequences, even in relatively low levels.

Which of the following statement is correct regarding alcohol and recreational drugs, and diving? Select all that apply.

Question

17

Vessel seaworthiness

Skippers and owners of vessels are responsible for the seaworthiness of all craft used in diving activities  

Which of the following minimum steps should be included in a simple pre-trip safety checklist? Select all that apply.

Question

18

Minimum dive vessel safety equipment

Additionally to a dive vessel’s seaworthiness, all craft should include which of the following safety items as a minimum? Choose all that apply.

Question

19

Weather suitable for diving

Numerous high-quality weather resources exist to help divers plan successful, enjoyable dive trips. They include multiple websites such as Windy.com, and VHF radio services such as Coastguard radio and regional radio base stations. 

From a safety perspective, which of the following weather factors should divers review before a dive trip? Choose all that apply.

Question

20

Pre and post-trip communications

Maritime NZ and the NZUA recommends a minimum level of communication with third parties for all boating trips. This includes notifying the Coastguard or a local VHF radio station of your intended boating plans before departing, and again when safely returning home. 

Which of the following should be included in your trip report? Choose all that apply.

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