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 What is the difference between internal and external egr valve?

Answer 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 ... Read More »
http://uk.answers.yahoo.com/question/index?qid=20130125105000AAkSDpQ


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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... Read More »
http://www.howeverythingworks.org/page1.php?QNum=1091

What does internal and external mean?

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... Read More »
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... Read More »
http://www.ehow.co.uk/facts_5719068_internal-vs_-external-respiration.html


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