Inlet-Metering, Opposed-Plunger Distributor Injection Pumps Rely on What for the Lubrication

question 14

Multiple Choice

Inlet-metering, opposed-plunger distributor injection pumps rely on what for the lubrication of internal components?

• A) Pressurized engine oil.
• B) Injection pumps are pre-greased and sealed.
• C) Lubricity of diesel fuel.
• D) Pump components are silicone coated.

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Definitions:

Contactors

Electrically controlled switches used for switching an electrical power circuit, similar to a relay but capable of handling higher currents.

Armatures

The component of an electric machine (like a motor or generator) that carries alternating current and interacts with a magnetic field to produce motion.

Yoke

In electrical engineering, a yoke is the frame that holds or supports magnetic core materials in devices like transformers or some types of motors, contributing to the magnetic circuit's path.

Relay

An electrically operated switch that uses a small electrical current to control a larger circuit.