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Module 3: Low-Pressure NGV Components

Module 3: Knowledge Check

The low-pressure setting of the CNG regulator is adjustable according to the technician’s preferences.
□ True
□ False

Failure to service this component can result in expensive engine, sensor and component replacements.
□ Receptacle
□ Low-pressure coalescing filter
□ Pressure gauges
□ Mixer

In the fuel mixer on a Cummins ISL G and ISX12 engines, which three components are mixed?
□ Water, air and fuel
□ Air, fuel and EGR
□ EGR, water and fuel
□ Air, water and EGR

The maximum daily accumulation of liquid in a low-pressure coalescing filter on natural gas vehicles is:
□ One teaspoon
□ One ounce
□ Five ounces
□ Zero

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