Answer Posted / gopal
The function of EGR valve is to allow Few percentage the
exhaust gas to the combustion chamber to Reduce NOx. This
valve is non return valve & is controlled ECU( engine
control unit ).
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Hello Friends I had my ONGC test today,but it was very bad.But I would give certain suggestions so that u may not face he problem which i had. Be thorough with Electrical Technology.Generators.motors stators etc.There are 5 questions on that. There were also good no.of questions from Hydraulic machine and Production technology. Then 3 from Strength of materials.And remember the dimensional quantities.
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