Norwegian Regs Flashcards

1
Q

Plant and equipment, (other than cylinders and pressure vessels) used in diving
operations, must be tested by a competent person every?
a 6 months
b 2 months
c 3 months
d year

A

a

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2
Q

In Norway a pressure vessel which may contain moist gas must be?
Hydraulically Tested Internal & External Visual Examination
& Gas Leak Tested to Maximum W.P.
a 1 year a week
b 4 years b 2 years 7
c 5 years c 30 days
d 6 months d 15 months

A

c & d

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3
Q
The minimum internal diameter of a DDC for surface orientated diving in
Norway must be at least?
a 1.25 m
b 1.50 m 
c 1.75 m 
d 1.80 m
A

d

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4
Q
When diving exceeds what depth would there normally be a requirement to
use a wet bell?
a In excess of 10 msw
b In excess of 20 msw 
c In excess of 50 msw 
d In excess of 60 msw
A

b

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5
Q

What is the minimum onboard wet bell gas supply for diving operations?
a Supply each diver for 30 minutes at maximum depth
b Supply each diver for 40 minutes at maximum depth
c Supply each diver for 10 minutes at maximum depth
d Supply each diver for 20 minutes at maximum depth

A

d

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6
Q
What is the minimum distance that a diver should be from the nearest hazard
point?
a 3 metres
b 5 metres 
c 7 metres 
d 10 metres
A

b

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7
Q
Divers umbilicals should be pressure tested to maximum operational pressure:
a Every 5 years 
b Every 2 years 
c Every 1 year 
d Every 6 months
A

b

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8
Q
A diver should have sufficient emergency bailout gas in the event of a normal
supply failure to last:
a 20 minutes
b 15 minute
c 10 minutes 
d 5 minutes
A

c

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9
Q
The maximum height a surface standby diver should be from point of entry to
the water is?
a 3 metres
b 5 metres
c 7 metres 
d 10 metres
A

b

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10
Q

Recording of diving communication should be kept for a minimum time and
should include information on?
a 6 hours minimum and include date and location
b 9 hours minimum and include location and sea state
c 12 hours minimum and include equipment and personal check
d 24 hours minimum and include location and client

A

c

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11
Q
The time limit for a supervisor to be in direct supervision of a diver in the
water is?
a 2 hours continuously
b 4 hours continuously 
c 8 hours continuously 
d 12 hours continuously
A

b

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12
Q

Above what oxygen percentage shall a gas mixture be treated as pure oxygen
with regards to fire and explosion hazards?
a 15%
b 20%
c 21%
d 25%

A

d

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13
Q

A Trainee Air Diving Supervisor is required to have:
a At least one years experience as a commercial diver and have carried out 200 commercial dives
b At least two years experience as a commercial diver and have carried out 100 commercial dives. At least 25 of these dives must have been carried out from a D.P. vessel
c At least four years experience as a commercial diver and have carried out 200 commercial dives
d At least four years experience as a commercial diver and have carried out 200 commercial dives. At least 50 of these dives must have been carried out from a D.P. vessel

A

b

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14
Q
Surface orientated divers shall have immediate access to therapeutic
recompression for a minimum of:
a 6 hours following completed dive
b 12 hours following completed dive 
c 24 hours following completed dive 
d 4 hours following completed dive
A

b

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15
Q

The breaking strain of the wet bell lifting wire shall have a minimum safety
factor of:
a at least 4 times the maximum design load
b at least 3.3 times the maximum design load
c at least 2 times the maximum design load
d at least 1 times the maximum design load

A

a

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16
Q
The maximum depth for surface orientated diving is:
a 30 msw
b 40 msw 
c 50 msw 
d 60 msw
A

c

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17
Q
The maximum normal limit in length for a divers umbilical shall be:
a 30 msw
b 40 msw 
c 45 msw 
d 55 msw
A

c

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18
Q
The standby divers BA shall be designed so that the diver can dress himself and enter the water without assistance in:
a 1 minute 
b 2 minutes 
c 3 minutes 
d 4 minutes
A

a

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19
Q
What is the maximum diving depth allowed when the standby diver is
stationed on the surface?
a 10 msw
b 20 msw 
c 25 msw 
d 50 msw
A

b

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20
Q

It is the duty of the employer to report occupational accidents and diseases:
a By writing within three days
b By telephone the quickest means possible
c By the quickest possible means to the operators rep
d By telephone within three days

A

c

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21
Q

Locking mechanisms on medical locks shall:
a have a manual override
b be directly controlled by the pressure within the vessel
c have a guage on them
d be isolated if leaking

A

b

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22
Q

Diving in a wet bell deeper than 20msw the standby diver should be?
a below the surface close enough to render assistance
b on surface
c at the depth the dive started
d within 20 metres of the diver

A

a

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23
Q

The minimum bell trunking diameter for exit and entry of a diver is:

a. 600 mm
b. 700 mm
c. 750 mm
d. 800 mm

A

d

24
Q
The maximum noise level allowable in the sleeping area of a saturation system
is:
a. 55 dB (A)
b. 60 dB (A) 
c. 65 dB (A) 
d. 70 dB (A)
A

b

25
Q

What is the maximum lockout duration for a diver diving to 206 msw?

a. 6 hours
b. 4 hours
c. 3 hours
d. 2 hours

A

c

26
Q

Lines of communication from Dive Control to the bell should include:

a. Hard wired communication system
b. Hard wired and sound powered communication systems
c. Hard wired and wireless communication systems
d. Hard wired, sound powered and wireless communication systems

A

d

27
Q

Diving bells should have an on-board gas supply for each diver to last:

a. 10 minutes breathing rate 40 litres/min
b. 20 minutes breathing rate 40 litres/min
c. 20 minutes breathing rate 62.5 litres/min
d. 30 minutes breathing rate of 62.5 litres/min

A

c

28
Q

Gas heating is required for divers inspired gas at a depth of:

a. 50 msw and greater
b. 75 msw and greater
c. 100 msw and greater
d. 150 msw and greater

A

d

29
Q

A saturation dive to 185 msw requires a surface interval of at least:

a. Twice the duration of the saturation period
b. Equal to the duration of the last saturation period
c. Fourteen days regardless of saturation period
d. Twenty eight days regardless of saturation period

A

b

30
Q

What is the maximum allowable length of a divers umbilical?

a. 29 metres
b. 31 metres
c. 40 metres
d. 45 metres

A

d

31
Q
An hyperbaric evacuation unit shall be capable of maintaining an acceptable
environment for a minimum period of:
a. 24 hours
b. 48 hours 
c. 72 hours 
d. 96 hours
A

c

32
Q
A deck compression chamber is required to have a hydraulic pressure test
every:
a. 2 years
b. 5 years 
c. 10 years 
d. 20 years
A

b

33
Q
The minimum chamber height above the deck plates for saturation diving
purposes shall be:
a. 1.8 metres
b. 2.0 metres 
c. 2.1 metres 
d. 2.4 metres
A

b

34
Q

The responsibility for supervising the current diving regulations lies with:

a. Det Norske Veritas
b. Operator
c. Norwegian Petroleum Directorate
d. Licensee

A

c

35
Q

Main umbilicals and divers umbilicals shall be tested:

a. Every 6 months to a test pressure equal to maximum operational pressure
b. Every 2 years to a test pressure equal to maximum operational pressure
c. Every 6 months to a test pressure 1.3 times the maximum operational pressure
d. Every year to a test pressure 1.3 times the maximum operational pressure

A

b

36
Q

Diving bells should be equipped to sustain vital functions in the event of loss
of surface supplies for at least a period of:
a. 12 hours
b. 24 hours
c. 48 hours
d. 72 hours

A

b

37
Q

A divers bailout should supply sufficient gas under the following conditions:

a. One minute of gas for every 10 metres of umbilical
b. Ten minutes of gas regardless of depth and length of umbilical
c. Twenty minutes of gas regardless of depth and length of umbilical
d. 62.5 litres a minute for every 10 metres of umbilical

A

b

38
Q

Operation logbooks shall be kept for a minimum period of:

a. At least one year after the last date of entry
b. At least two years after the last date of entry
c. At least five years after the last date of entry
d. At least seven years after the last date of entry

A

b

39
Q

Communcation recordings during operations should be kept:
a. For a minimum of 8 hours and should include the date and the time
b. For a minimum of 12 hours and should include equipment check
and personnel prior to commencement
c. For a minimum of 48 hours and should include location and seastate Fact Sheet
d. For the duration of the contract

A

b

40
Q
Oxygen mixtures above what per cent shall be treated as pure oxygen with
regards to fire and explosion hazard?
a. Twenty one (21%)
b. Twenty five (25%) 
c. Thirty (30%) 
d. Fifty (50%)
A

b

41
Q

The maximum bell run time for diving deeper than 200 msw shall not exceed:

a. Four hours
b. Six hours
c. Seven hours
d. Eight hours

A

b

42
Q
The transponder frequency for a bell locating device shall operate at a
frequency of:
a. 37.5KHz 
b. 45.0KHz 
c. 57.5KHz 
d. 73.5KHz
A

a

43
Q

How long do the “operations log” relating to manned underwater operations be retained?

A

It shall be retained for 40 years

44
Q

What’s the maximum ascent rate during excursions?

A

It’s 10 msw/min

45
Q

What’s the bend watch time for air diving?

A

For complete air diving it’s 12h with immediate access to therapeutic chamber.

46
Q

What’s the maximum times and rest periods for a diving/atmospheric diving supervisor?

A

Supervisor shall have 12h continuous rest in any 24h period, a limit of 8h in direct communication in any 12h period with at least a 30min rest period after 4h of direct communication.

47
Q

What are the standard umbilical Marking colours for
5m
10m
50m

A

5m is 1 red ring
10m is 1 black ring
50m is 1 wide black ring

48
Q

What does KPa and Pa stand for and how much does represent?

A

1 KPa is 1 kilo pascal and is equal to 10mb

100.000 Pa is 100.000 pascal and is equal to 1bar

49
Q

What’s the rest period for personnel working under water?

A

12h continuous rest in any 24h period

50
Q

When diving from a small craft, when are decompression stops allowed?

A

Not allowed small people craft to at all

51
Q

What’s the depth limit for surface orientated diving?

A

Shall not exceed the 50 m, and when diving deeper than 50m a bell shall be used

52
Q

When air diving the rotation and schedule should allow for what with the divers?

A

It should be arrange so that the divers have one day free in every 4 dives deeper than 9m or ead.

53
Q

In Norway what is the minimum length allowed for a chamber, and where is
this information found?

A

200CM for a surface oriented Diving Chamber

NORSOK U 100 7.2.3

54
Q

In Norway what is the minimum amount per diver of usable litres of breathing
gas in on board gas at ambient pressure, and where is this information found?

A

1,250 ltrs – useable @ 62.5 lts per min (=20 mins)

NORSOK 7.2.4.2

55
Q

In Norway the main lifting wire shall be calculated using a safety factor of at
least ?? related to the maximum static load, and where is this information
found?

A

Maximum safety factor of 4

NORSOK 7.3

56
Q
While on DP the maximum single movement allowed under Norwegian regulation while the diver is in the water is:
a 5 m
b 10 m 
c 15 m
d 20 m
A

B