【Daily Question No. 004】2017.07.11
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【Daily Question No. 004】July 11, 2017: The relative density of natural gas is defined as the ratio of the density of natural gas under standard conditions to the density of ( ). A. Hydrogen B. Air C. Nitrogen D. Helium. The reference answers will be visible after responding; scoring is possible by identifying the key points. B 2017 Q&A Summary Thread (updates starting now) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates starting now) http://bbs.hcbbs.com/thread-1657794-1-1.html 2016 Q&A Summary Thread (updates completed) http://bbs.hcbbs.com/thread-1597792-1-1.html Petrochemical Sector – “Creative Ideas for Energy Saving” Campaign (Second phase is in full swing) http://bbs.hcbbs.com/thread-1666758-1-1.html 2017 Coal Chemicals – “My Technical Upgrades” http://bbs.hcbbs.com/thread-1786290-1-1.html
The relative density of natural gas is defined as the ratio of the density of natural gas under standard conditions to the density of (A). A、Hydrogen B、Air C、Nitrogen D、Helium