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The Lower Explosive Limit (LEL) of natural gas (which is primarily methane). is 5% by volume in air.

The Upper Explosive Limit (UEL) is 15% by volume in air

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Q: What is the Percentage range of lel and uel for natural gas?
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How much is 10 percent lel of natural gas?

100% LEL is 5 %. So 10 % of it is 0.5%


What is the Difference between percentage LEL and Percentage volume?

___________ l __l l ___ __l l l l_l l__l barel... (BENG,BENG) c(:..!!


What is a safe lel percent?

As per Osha, in a confined space, less than 10 percent LEL is considered safe


How many syllables are in the word parallel?

The word "parallel" has three syllables, pronounced as PAR-a-lel.


What are the names of angels mentioned in the bible?

The short version:Gabriel is the Messenger of God, Michael is an Archangel and Abaddon( Apollyon) is the angel of bottomless pit. Satan and Lucifer (the anointed cherub) are of the fallen angels.The long version (links included):Gabriel speaks to Mary in Luke 1:19, is given an order in Daniel 8:16, and makes physical contact with someone in Daniel 9:21 http://en.wikipedia.org/wiki/GabrielMichael is seen in Daniel's vision. Daniel 10:13, 21, and Daniel 12:1 directly names Michael.In Jude 9 he is called Michael the archangel.http://en.wikipedia.org/wikiMichael_(archangel)Revelation 9:11 speaks of an angel of the bottomless pit named "Apollyon" in Greek and "Abaddon" in Hebrew.http://www.blueletterbible.org/Bible.cfm?b=Rev&c=9&v=11&t=KJV#11Satan is commonly held to be an angel who was cast down from heaven with approximately 1/3 the host of heaven.http://en.wikipedia.org/wiki/SatanLucifer (Hebrew: Hel-lel, 'shining one') is found in Isaiah 14:12 (KJV). However the context shows that Isaiah, in verse 14, is actually referring to the King of Babylon (See Isaiah 14:4).http://en.wikipedia.org/wiki/Lucifer#The_Morning_Star_in_Isaiah_14:12------------------There appear to be no Bible verses where Wisdom, Peace, Hope, and Justice are personified as angels. Angels in biblical scripture do tend to bring wisdom, peace, hope, and justice, but these are rarely their sole function.------------------So there seems to be four angels specifically named in the KJV:Satan (also called the Devil),MichaelGabrielApollyon/Abaddon.In addition to specifically named angels, and 'angels' in general, the Bible also names special types of angels, such as cherubs -'cherubim', Genesis 3:24, and seraphs-'seraphim', Isaiah 6:2.