Free gas safety practice questions

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1. Q1. In Great Britain, which duty applies to everyone who works on a gas fitting, paid or not?

   AThey must be competent to do the workBThey must hold a CORGI cardCThey must have finished an online course

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2. Q2. You smell gas at home. Which of these should you avoid?

   AOpening doors and windows if it is safeBSwitching a light on to look for the leakCLeaving and calling the gas emergency number from outside

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3. Q3. Why can't your nose warn you about carbon monoxide?

   AIt has no smellBIt smells exactly like fuel gasCIt only forms outdoors

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4. Q4. Where can leaked LPG vapour tend to collect?

   ANear the ceiling, because it is lighter than airBLow down, in drains, pits and basementsCNowhere, because it mixes evenly at once

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5. Q5. An appliance that normally burns with a crisp blue flame starts burning lazy and yellow. What can this suggest?

   AIncomplete combustion, which can make carbon monoxideBThe appliance has become more efficientCNothing: flame colour never changes for a reason

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