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IOG1 Nebosh 2025/2026 ACTUAL EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+||BRAND NEW VERSION!! $13.49
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IOG1 Nebosh 2025/2026 ACTUAL EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+||BRAND NEW VERSION!!

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IOG1 Nebosh 2025/2026 ACTUAL EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+||BRAND NEW VERSION!!

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  • January 10, 2025
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • iog1 nebosh
  • IOG1 Nebosh
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IOG1 Nebosh

A distillation column requires protection from fireplace thru active or passive fire shielding

A. Outline how a set water deluge gadget ought to offer fireplace safety. - ANS-there may be an
automatic deluge induced from fire sensitive bulbs (fusible hyperlinks) or there can be some
human intervention to initiate the deluge; this presents a huge cooling medium that stops the
state of affairs from escalating similarly and also will starve the fireplace of oxygen and as a
consequence restrict the effect of any hearth, radiation and smoke.
A distillation column requires safety from fire through lively or passive fireplace protective

B. Identify additional examples of energetic fireplace safety. - ANS-- carbon dioxide inerting
(which includes in electric transfer rooms)
- foam deluge systems (which includes for hydrocarbon fires)
- chemical powders
- water mist structures
A distillation column calls for protection from fire via energetic or passive fireplace protecting

C. Identify examples of passive fireplace protection. - ANS-- particular coatings (mortar based
totally, intumescent, sublimation or ablative)
- mineral fibre matting
- the use of fireplace partitions (compartmentation).
A distillation column requires protection from hearth thru active or passive hearth protecting

D. Outline why the metal legs of the column should be covered. - ANS-Protection of the steel
from deformation/melting; to ensure the vessel stays supported; to prevent the vessel from
freeing its contents and to minimise the outcomes of a hearth.
A. Identify properties of hydrogen. - ANS-- it become colourless and odourless
- gas that changed into explosive/quite flammable,
- much less dense than air
- reacts without difficulty with oxidising retailers.
A. Outline situations which can be important to ignite a flammable liquid. - ANS-- sufficient
vapour being produced above the liquid;
- the presence of enough oxygen to guide combustion;
- the vapour awareness being inside the proper variety (among the flammable limits); the liquid
being at or above its flashpoint;
- an ignition source being gift of sufficient electricity (minimum ignition energy).
B. Outline control measures that would assist reduce the risk of fireplace from a storage tank
containing flammable liquid. - ANS-- the use of level alarms (excessive and
excessive-excessive)
- tank degree controls; computerized close off valves

, - flammable fuel/vapour detection system
- the use of explosion proof system (ATEX)
- the manipulate of ignition resources at some point of filling/emptying
- inspection/protection regime.
- The use of automobile effect protection across the tank become also relevant (as vehicle effect
may additionally nicely result in containment loss and subsequent ignition).
B. Outline risks associated with hydrogen. - ANS-- it forms explosive combos with air over a
very huge range of concentrations;
- that it's far very without problems ignited (even by using very low energy sparks);
- it is able to upward thrust in systems and from explosive wallet in ceilings and roofs;
- it may displace oxygen in high concentrations;
- it burns with an invisible flame (so hard to peer) and, depending on how it's miles
stored/supplied, may be cryogenic.
During a habitual inspection of a production website, an external storage tank containing fuel oil
was observed now not to have a bund.

A. Outline features that must be protected in the layout of a appropriate bund
for the tank. - ANS-- Ensure the most amount of product can be contained within the bund at the
least 110%.
- adequate clearance between the bund wall and tank
- using caution signs and symptoms.
- right sealing of the inner surfaces and an impermeable base.
- the wall being of enough top to take account of capability for a tank leaking above ground (ie
jetting).
- the walls sufficiently robust to withstand the hydrostatic strain should the tank leak.
- the want to empty rainwater that would accumulate.
- the set up of vehicle impact safety
- Make allowance for the gap occupied by using others tanks.
Floating production, storage and offloading devices (FPSOs) are used within the oil and gas
industry to technique and store hydrocarbons.

Other than loading and unloading, IDENTIFY additional sports withFPSOs that gift risks to
employees. - ANS-- Tank cleansing and access
- Line flushing
- The converting of hoses
- Routine maintenance
- The restore of deliver valves
- Crane operations
- Diving operations
- Helicopter operations
- Personnel transfer operations (among vessels)
- The proximity of other vessels (collisions)
- Working at top and operating in intense weather conditions.

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