Engine : Motor Plants and Auxiliary Boilers - 614/947 |
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When a nozzle tester is being used to test a "closed" type fuel injection nozzle, a clogged nozzle orifice will be indicated by a __________. |
A) distorted spray pattern |
B) chattering sound when the nozzle closes |
C) squealing sound midway in the pump stroke |
D) popping sound when the nozzle opens |
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