Two Technicians Are Describing HEUI HIB-300 Injector Operation

question 38

Multiple Choice

Two technicians are describing HEUI HIB-300 injector operation. Technician A says that fuel travels to the cavity above the amplifier piston while pressurized oil is applied to two sides of the poppet valve and to the top of the nozzle valve, holding it closed. Technician B says that when the poppet valve is energized, the valve lifts, closing off the high-pressure oil passageway and applying pressure to the nozzle valve. Who is right?

• A)A only"
• B)B only"
• C)Both A and B
• D)Neither A nor B"

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Definitions:

Epidermis

The outermost layer of skin, providing a waterproof barrier and creating skin tone.

Keratohyalin

Nonmembrane-bound protein granule in the cytoplasm of stratum granulosum cells of the epidermis.

Stratum Granulosum

A layer of the epidermis found beneath the stratum corneum and above the stratum spinosum, characterized by keratinocytes that start to undergo keratinization.

Epidermis

The skin's external layer, which forms a barrier preventing water from penetrating and determines the color of our skin.