Section 7 – F/602/2884 Understand and apply domestic hot water system installation and maintenance techniques
![Calculate the volume of ethane required to be burnt to convert 100 kg of water at 20^@C to steam at 100^@C , assuming that only 40% of heat is useful. Heat of Calculate the volume of ethane required to be burnt to convert 100 kg of water at 20^@C to steam at 100^@C , assuming that only 40% of heat is useful. Heat of](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/415574390_web.png)
Calculate the volume of ethane required to be burnt to convert 100 kg of water at 20^@C to steam at 100^@C , assuming that only 40% of heat is useful. Heat of
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