RAFF Exit Exam • Set 1 Question 5 of 30

In the given below list, which gas has the widest flammable range

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Direct Answer

Option A: Ethylene

Ethylene possesses the widest flammable range among the listed gases. A wider flammable range means the gas can ignite and burn over a broader spectrum of fuel-air mixtures, increasing the risk of ignition in various atmospheric conditions. (General chemical safety principles)

All Options

A

Ethylene (Correct Answer)

B

Propane

C

Butane

D

Methane

Detailed Explanation & Context

Ethylene possesses the widest flammable range among the listed gases. A wider flammable range means the gas can ignite and burn over a broader spectrum of fuel-air mixtures, increasing the risk of ignition in various atmospheric conditions. (General chemical safety principles)

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Advanced Fire Fighting (RAFF).

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