What are the three types of Pump-Line-Nozzle (PLN) fuel injection systems used in light duty diesel applications?
A) Port-helix, inlet-metering and spill-timing.
B) Port-helix, inlet-metering and sleeve-metering.
C) Port-helix, sleeve-metering and injection-metering.
D) Inlet-metering, sleeve-metering and injection-metering.

Question

Quizplus · Accepted Answer

The three types of PLN fuel injection systems used in light duty diesel applications are port-helix, inlet-metering, and sleeve-metering. Option B correctly lists all three types. Option A is incorrect because spill-timing is not a type of PLN system. Option C is incorrect because injection-metering is not a type of PLN system. Option D is incorrect because it does not include port-helix, which is one of the three types.

What Are the Three Types of Pump-Line-Nozzle (PLN) Fuel Injection