The newest 9 of 9 written questions. Open one to see it on the real paper.
Which fraction is used as a fuel in diesel engines?
See it on the paper →Bitumen and refinery gas are obtained from petroleum. Name one use of: bitumen
See it on the paper →Propane and butane are in the refinery gas fraction obtained from petroleum. Tick (3) one use of refinery gas. added to water to kill microbes fuel used for heating and cooking fuel used in diesel engines
See it on the paper →State one use for gas oil.
See it on the paper →Name this process.
See it on the paper →State one use for bitumen.
See it on the paper →Identify one use for refinery gas.
See it on the paper →Suggest one use for bottled refinery gas fuel.
See it on the paper →State one use for naptha.
See it on the paper →The use of refinery gas for cooking and heating was well known by many candidates. Less well known was the use of bitumen for making roads.
— Examiner report, May/June 2025, 0653/31 Q6(c) (Cambridge)
Most candidates ticked the correct box, indicating that the refinery gas fraction is used as a fuel for heating and cooking. The most common incorrect option ticked was fuel used in diesel engines.
— Examiner report, February/March 2025, 0653/32 Q5(c) (Cambridge)
The use of gas oil in diesel engines was stated by few candidates. Many incorrect answers did not contain enough detail, for example for trucks or in your car. Other errors included being used in cooking.
— Examiner report, May/June 2022, 0653/33 Q8(a)(ii) (Cambridge)
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