1.

A Power Balance Test Is Being Performed On An Engine. Technician A Says To Note The Engine Rpm Before And During The Test For Each Cylinder. Technician B Says To Record The Rpm Drop For Each Cylinder. Who Is Right?

Answer»

Both technicians are correct. Tech A is right because ENGINE RPM (Revolutions PER Minute) is an indicator of when that CYLINDER is contributing to the engine power and if it is BALANCED. You note the RPM before and during the test so when the cylinder is shorted out you can tell if it changes. Tech B is right because when the engine speed (RPM) does not drop or change, then that cylinder is not having an effect on engine operation or balance. 

Both technicians are correct. Tech A is right because engine RPM (Revolutions Per Minute) is an indicator of when that cylinder is contributing to the engine power and if it is balanced. You note the RPM before and during the test so when the cylinder is shorted out you can tell if it changes. Tech B is right because when the engine speed (RPM) does not drop or change, then that cylinder is not having an effect on engine operation or balance. 



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