
What is the difference between internal and external egr valve?
External EGR is via a valve, called an EGR valve. It allows exhaust gases to enter the combustion chamber in order to reduce peak temperatures to keep NOx emissions down. Internal EGR makes use of ...
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http://uk.answers.yahoo.com/question/index?qid=20130125105000AAkSDpQ
What is the difference between internal and external combustion engines?
External combustion engines burn a fuel outside of the engine and produce a hot working fluid that then powers the engine. The classic example of an external combustion engine is a steam engine. In...
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http://www.howeverythingworks.org/page1.php?QNum=1091
What does internal and external mean?
internal is inside external is outside
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External & Internal in a business?
Muhmmed, this is something very complex as you know...try to get some expert writing assistance from the best writing website fastcustomessays com and my recommended writer is E564 who did my paper...
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http://uk.answers.yahoo.com/question/index?qid=20121204095744AApWUtB
Internal Vs. External Respiration?
Dividing the process of respiration into two categories, internal and external respiration, can help clarify some of the complexities of this biologically important process. Together, the different...
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http://www.ehow.co.uk/facts_5719068_internal-vs_-external-respiration.html